Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Dr. Carmi Santos Punzalan , MD

Internal Medicine - Gastroenterology โ€ข Burlington, MA

Active NPI 1053584037 Individual Practitioner Female Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

41 Mall Road, Lahey Hospital & Medical Center
Burlington, MA 01805

Call 7817448000 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

41 Mall Road
Lahey Hospital & Medical Center

Burlington, MA 01805

Telephone 7817448000
Fax 7817445743
Organization at the Same NPPES Address or Phone
Beth Israel Lahey Health Primary Care, Inc. Facility NPI 1043710791

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Lahey Clinic Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Medical School

Boston University School Of Medicine

Graduation Year

2008

Medicare patients

263 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider, 2024.

Medicare-allowed amount

About $63,456 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

Paid by Medicare

About $48,372 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

30-day fills

2,306 standardized 30-day fills in 2024

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$905,088 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers โ€“ by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $9,045.91 across 18 records.

By nature of payment (3 largest of 4)

  • Consulting Fee: $5,120.00 across 2 records.
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program: $2,744.00 across 1 record.
  • Food and Beverage: $974.35 across 11 records.

Reporting-company totals

  • Madrigal Pharmaceuticals: $4,813.80 across 12 records.
  • Ipsen Biopharmaceuticals, Inc: $2,982.11 across 5 records.
  • Salix Pharmaceuticals, a division of Bausch Health US, LLC: $1,250.00 across 1 record.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

18 years (graduated 2008)

CMS Doctors and Clinicians data list 2008 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2008

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, โ€œDoes your provider accept Medicare as full payment?โ€

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Punzalan has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Punzalan as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Burlington and Massachusetts

Billing and prescribing volume is not a quality rating.

Medicare Part B services

Close to the middle for clinicians listed under Internal Medicine - Gastroenterology in Burlington, MA (2024, 20 clinicians with data). Median for this group: 493. Middle half: 404 to 680.

Close to the middle for clinicians listed under Internal Medicine - Gastroenterology in Massachusetts (2024, 450 clinicians with data). Median for this group: 542. Middle half: 254 to 825.

Medicare-allowed amount

Close to the middle for clinicians listed under Internal Medicine - Gastroenterology in Burlington, MA (2024, 20 clinicians with data). Median for this group: $62,617. Middle half: $55,146 to $85,885.

Close to the middle for clinicians listed under Internal Medicine - Gastroenterology in Massachusetts (2024, 450 clinicians with data). Median for this group: $71,658. Middle half: $31,752 to $113,201.

Paid by Medicare

Close to the middle for clinicians listed under Internal Medicine - Gastroenterology in Burlington, MA (2024, 20 clinicians with data). Median for this group: $48,834. Middle half: $42,303 to $67,633.

Close to the middle for clinicians listed under Internal Medicine - Gastroenterology in Massachusetts (2024, 450 clinicians with data). Median for this group: $56,993. Middle half: $24,937 to $90,245.

Medicare Part D prescriptions

More Part D prescriptions than 95% of clinicians listed under Internal Medicine - Gastroenterology in Burlington, MA (2024, 23 clinicians with data). Median for this group: 356. Middle half: 84 to 536.

More Part D prescriptions than 85% of clinicians listed under Internal Medicine - Gastroenterology in Massachusetts (2024, 483 clinicians with data). Median for this group: 387. Middle half: 128 to 743.

Part D drug cost

A higher Part D drug cost than 85% of clinicians listed under Internal Medicine - Gastroenterology in Burlington, MA (2024, 23 clinicians with data). Median for this group: $81,329. Middle half: $5,908 to $412,649.

A higher Part D drug cost than 85% of clinicians listed under Internal Medicine - Gastroenterology in Massachusetts (2024, 483 clinicians with data). Median for this group: $81,329. Middle half: $15,749 to $409,663.

31 active clinicians are listed under Internal Medicine - Gastroenterology with a practice address in Burlington, MA (686 in Massachusetts).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Burlington

51.6% of these 31 clinicians have the CMS telehealth indicator.

74.2% of these 31 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo ยท Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments ยท Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 โ€“ December 31, 2025): 18 records totaling $9,045.91.

Manufacturer Payment Nature Product Type Amount ($)
Madrigal Pharmaceuticals
Consulting Fee
Cash or cash equivalent
REZDIFFRA General $3,870.00
Ipsen Biopharmaceuticals, Inc
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
Cash or cash equivalent
IQIRVO General $2,744.00
Salix Pharmaceuticals, a division of Bausch Health US, LLC
Consulting Fee
Cash or cash equivalent
XIFAXAN General $1,250.00
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $186.30
Madrigal Pharmaceuticals
Food and Beverage
Cash or cash equivalent
REZDIFFRA General $158.44
Ipsen Biopharmaceuticals, Inc
Food and Beverage
In-kind items and services
IQIRVO General $124.17
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $109.36
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $108.93
Madrigal Pharmaceuticals
Food and Beverage
Cash or cash equivalent
REZDIFFRA General $96.54
Madrigal Pharmaceuticals
Travel and Lodging
Cash or cash equivalent
REZDIFFRA General $68.96
Madrigal Pharmaceuticals
Food and Beverage
Cash or cash equivalent
REZDIFFRA General $68.96
Madrigal Pharmaceuticals
Travel and Lodging
Cash or cash equivalent
REZDIFFRA General $50.00
Ipsen Biopharmaceuticals, Inc
Food and Beverage
In-kind items and services
IQIRVO General $50.00
Madrigal Pharmaceuticals
Travel and Lodging
Cash or cash equivalent
REZDIFFRA General $46.20
Madrigal Pharmaceuticals
Food and Beverage
Cash or cash equivalent
REZDIFFRA General $42.75
Ipsen Biopharmaceuticals, Inc
Travel and Lodging
In-kind items and services
IQIRVO General $42.40
Ipsen Biopharmaceuticals, Inc
Food and Beverage
In-kind items and services
IQIRVO General $21.54
Madrigal Pharmaceuticals
Food and Beverage
Cash or cash equivalent
REZDIFFRA General $7.36

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B ยท Data Year 2024
Reporting Year:

CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016โ€“2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ€“ by Provider and Service data, 2017โ€“2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
171 116 $557.15 $148.41
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
149 43 $372.02 $123.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
37 36 $601.11 $180.77
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
34 34 $683.35 $186.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
24 22 $398.67 $99.61
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
23 20 $55.00 $17.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
16 16 $516.38 $139.64
99239 Hospital discharge day management, more than 30 minutes
13 12 $355.00 $120.45

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2024.

CMS Part D ยท Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Ursodiol Ursodiol 174 10,520 $26,467.88 48
Xifaxan Rifaximin 144 4,603 $509,598.34 24
Tacrolimus Tacrolimus 137 10,162 $28,982.52 49
Carvedilol Carvedilol 135 9,000 $977.48 45
Spironolactone Spironolactone 108 6,840 $947.19 35
Furosemide Furosemide 106 6,182 $363.51 30
Lactulose Lactulose 68 2,760 $3,713.74 24
Mycophenolate Mofetil Mycophenolate Mofetil 67 4,594 $5,659.18 22
Prednisone Prednisone 65 2,478 $203.82 11
Azathioprine Azathioprine 43 2,868 $2,235.18 11
Vemlidy Tenofovir Alafenamide 35 1,290 $61,638.48 โ€”
Nadolol Nadolol 21 1,110 $392.15 โ€”
Cyclosporine Modified Cyclosporine, Modified 20 1,395 $3,748.09 โ€”
Potassium Chloride Potassium Chloride 18 903 $118.15 โ€”
Rezdiffra Resmetirom 18 720 $96,061.86 โ€”
Hydroxyzine Hcl Hydroxyzine Hcl 17 1,065 $249.16 โ€”
Ocaliva Obeticholic Acid 16 480 $152,921.88 โ€”
Entecavir Entecavir 14 900 $10,057.36 โ€”
Propranolol Hcl Propranolol Hcl 13 450 $139.29 โ€”
Lamivudine Hbv Lamivudine 12 360 $612.48 โ€”

Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Internal Medicine - Gastroenterology Primary Specialty

NUCC Taxonomy Code: 207RG0100X

License # reported to NPPES MA 262302

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Internal Medicine - Transplant Hepatology

NUCC Taxonomy Code: 207RT0003X

License # reported to NPPES MA 262302

An internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients requires assessment by a team having experience in evaluating the severity and prognosis of patients with liver disease.

Internal Medicine - Gastroenterology

NUCC Taxonomy Code: 207RG0100X

License # reported to NPPES CA A140736

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Massachusetts Board of Registration in Medicine.
Look Up on State Board Site

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid ID
0265551 (NJ)
Medicaid ID
102614243 (PA)

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - GASTROENTEROLOGY

Medicare Enrollment ID

I20180223001571

Enrollment State Jurisdiction

MA

PECOS Control ID

6204005036

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Lahey Clinic Inc

41 Mall Rd, Burlington, MA 018050001

Lahey Clinic Inc

41 Mall Rd, Burlington, MA 018050001

Lahey Clinic Inc

29 Mall Rd, Burlington, MA 018050001

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

40 listed
Christine Ackroyd , NP

Nurse Practitioner - Family

NPI 1053693549

Nurse Practitioner

NPI 1043434905

Doctor of Medicine (M.D.)

Eric Bifolck , PA-C

Physician Assistant

NPI 1053849497

Physician Assistant (Certified)

NPI 1023421492

Doctor of Medicine (M.D.)

Ryan Bradley , CRNA

Nurse Anesthetist, Certified Registered

NPI 1053443317

Certified Registered Nurse Anesthetist

Dr. Thomas Brand , MD

Emergency Medicine

NPI 1013008143

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

12 Historical Events
๐Ÿ“
Updated Practice Location June 15, 2018

Registered at 41 MALL ROAD, LAHEY HOSPITAL & MEDICAL CENTER, BURLINGTON, MA 01805 (Tel: 7817448000)

๐Ÿ“
Updated Business Mailing Address June 15, 2018

Registered at 41 MALL ROAD, LAHEY HOSPITAL & MEDICAL CENTER, BURLINGTON, MA 018050001 (Tel: 7817448000)

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) June 15, 2018

Internal Medicine (license number reported to NPPES: MA 262302)

๐Ÿ“
Updated Practice Location April 20, 2018

Registered at 782 E HARDING WAY, STOCKTON, CA 952046101 (Tel: 2095465200)

๐Ÿ“
Updated Business Mailing Address April 20, 2018

Registered at 4825 DANDELION LOOP, TRACY, CA 953778774 (Tel: 6463912750)

๐Ÿ“
Updated Business Mailing Address March 09, 2018

Registered at LAHEY HOSPITAL & MEDICAL CENTER, 41 MALL ROAD, BURLINGTON, MA 018050001 (Tel: 7817442500)

โœ…
NPI Profile Active December 15, 2015

NPI status registered as active in NPPES database

๐Ÿ“
Practice Location (Initial Record) December 15, 2015

Registered at 41 MALL RD, BURLINGTON, MA 018050001 (Tel: 7817442500)

๐Ÿ“
Business Mailing Address (Initial Record) December 15, 2015

Registered at 41 MALL RD, BURLINGTON, MA 018050001

๐Ÿ‘ค
Provider Name / Credentials (Initial Record) December 15, 2015

Recorded as CARMI PUNZALAN, M.D.

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) December 15, 2015

Internal Medicine (license number reported to NPPES: PA MD441142)

๐ŸŸข
Initial NPI Registration & Enumeration April 10, 2008

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1053584037
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 10, 2008
Last Update: June 15, 2018
Sole Proprietor: No

Other Internal Medicine - Gastroenterology Specialists in Burlington

All Internal Medicine - Gastroenterology Specialists in Burlington

More public profiles in Massachusetts

Directory navigation, in NPI number order.

Mailing Address

41 Mall Road, Lahey Hospital & Medical Center

Burlington, MA 018050001

Phone: 7817448000

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.