Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Adell C. Winley , PA

Physician Assistant • Silver Spring, MD

Active NPI 1154546232 Individual Practitioner Female Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

10801 Lockwood Dr, Suite 200
Silver Spring, MD 209011556

Call 3015932002 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

10801 Lockwood Dr
Suite 200

Silver Spring, MD 209011556

Telephone 3015932002
Fax 3015934781
Organization at the Same NPPES Address or Phone
D & D Diagnostics, Llc Facility NPI 1811963622

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: Capital Digestive Care Llc. 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

Graduation Year

1987

Medicare patients

532 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 – by Provider, 2024.

Medicare-allowed amount

About $67,970 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 – by Provider and Service, 2024.

Paid by Medicare

About $47,967 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 – by Provider and Service, 2024.

30-day fills

850 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

$60,620 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 – by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $2,975.59 across 126 records.

By nature of payment

  • Food and Beverage: $2,975.59 across 126 records.

Reporting-company totals (3 largest of 18)

  • Janssen Pharmaceuticals, Inc: $708.89 across 12 records.
  • ABBVIE INC.: $432.20 across 18 records.
  • Pfizer Inc.: $356.98 across 23 records.

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

39 years (graduated 1987)

CMS Doctors and Clinicians data list 1987 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

2007

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, “Does your provider accept Medicare as full payment?”

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)

Adell Winley 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 Adell Winley 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 Silver Spring and Maryland

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 70% of clinicians listed under Physician Assistant in Silver Spring, MD (2024, 41 clinicians with data). Median for this group: 137. Middle half: 45 to 584.

More Medicare Part B services than 65% of clinicians listed under Physician Assistant in Maryland (2024, 1,555 clinicians with data). Median for this group: 282. Middle half: 86 to 792.

Medicare-allowed amount

A higher Medicare-allowed amount than 85% of clinicians listed under Physician Assistant in Silver Spring, MD (2024, 41 clinicians with data). Median for this group: $15,752. Middle half: $4,213 to $49,710.

A higher Medicare-allowed amount than 80% of clinicians listed under Physician Assistant in Maryland (2024, 1,555 clinicians with data). Median for this group: $23,780. Middle half: $8,384 to $55,296.

Paid by Medicare

A higher Medicare payment amount than 80% of clinicians listed under Physician Assistant in Silver Spring, MD (2024, 41 clinicians with data). Median for this group: $11,576. Middle half: $3,357 to $38,173.

A higher Medicare payment amount than 80% of clinicians listed under Physician Assistant in Maryland (2024, 1,555 clinicians with data). Median for this group: $17,933. Middle half: $6,264 to $41,140.

Medicare Part D prescriptions

More Part D prescriptions than 70% of clinicians listed under Physician Assistant in Silver Spring, MD (2024, 30 clinicians with data). Median for this group: 206. Middle half: 61 to 554.

More Part D prescriptions than 75% of clinicians listed under Physician Assistant in Maryland (2024, 1,444 clinicians with data). Median for this group: 160. Middle half: 54 to 492.

Part D drug cost

A higher Part D drug cost than 80% of clinicians listed under Physician Assistant in Silver Spring, MD (2024, 30 clinicians with data). Median for this group: $4,038. Middle half: $319 to $30,310.

A higher Part D drug cost than 75% of clinicians listed under Physician Assistant in Maryland (2024, 1,444 clinicians with data). Median for this group: $2,321. Middle half: $444 to $33,452.

86 active clinicians are listed under Physician Assistant with a practice address in Silver Spring, MD (3,225 in Maryland).

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

Telehealth indicator in Silver Spring

12.8% of these 86 clinicians have the CMS telehealth indicator.

58.1% of these 86 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 · 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 · Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 – December 31, 2025): 126 records totaling $2,975.59.

Manufacturer Payment Nature Product Type Amount ($)
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
TREMFYA General $146.22
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
TREMFYA General $146.22
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
TREMFYA General $145.59
Ipsen Biopharmaceuticals, Inc
Food and Beverage
In-kind items and services
IQIRVO General $123.50
ABBVIE INC.
Food and Beverage
In-kind items and services
RINVOQ General $119.87
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
TREMFYA General $85.50
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $37.66
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $35.75
ABBVIE INC.
Food and Beverage
In-kind items and services
MAVYRET General $33.48
Ardelyx, Inc.
Food and Beverage
In-kind items and services
IBSRELA General $33.25
Ardelyx, Inc.
Food and Beverage
In-kind items and services
IBSRELA General $33.11
Ardelyx, Inc.
Food and Beverage
In-kind items and services
IBSRELA General $32.83
Ipsen Biopharmaceuticals, Inc
Food and Beverage
In-kind items and services
IQIRVO General $31.86
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
DUPIXENT General $31.25
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
DUPIXENT General $30.22
Ardelyx, Inc.
Food and Beverage
In-kind items and services
IBSRELA General $29.96
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
DUPIXENT General $29.41
Ipsen Biopharmaceuticals, Inc
Food and Beverage
In-kind items and services
IQIRVO General $29.17
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $29.03
Pfizer Inc.
Food and Beverage
In-kind items and services
VELSIPITY General $28.95
Ipsen Biopharmaceuticals, Inc
Food and Beverage
In-kind items and services
IQIRVO General $28.39
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
DUPIXENT General $28.22
Pfizer Inc.
Food and Beverage
In-kind items and services
XELJANZ General $27.93
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $27.31
Ipsen Biopharmaceuticals, Inc
Food and Beverage
In-kind items and services
IQIRVO General $27.30

(top 25 shown)

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 · Data Year 2024
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2017–2023 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 – by Provider and Service data, 2018–2024; 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
163 159 $320.00 $127.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
150 149 $415.00 $165.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
123 123 $285.00 $110.81
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
86 84 $230.00 $89.49
99202 New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more
15 15 $185.00 $71.47

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 · Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates 197 297 $11,196.07 193
Omeprazole Omeprazole 94 6,923 $1,516.41 35
Pantoprazole Sodium Pantoprazole Sodium 48 4,080 $1,267.33 23
Clenpiq Sod Picosulf/Mag Ox/Citric Ac 27 40 $4,618.87 27
Peg 3350-Electrolyte Sodium Chloride/Nahco3/Kcl/Peg 26 58 $401.98 26
Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl 26 30 $411.88 25
Famotidine Famotidine 18 1,530 $415.14 —
Mesalamine Mesalamine 16 1,428 $14,785.22 —
Dexlansoprazole Dr Dexlansoprazole 16 1,260 $6,181.41 —
Sucralfate Sucralfate 15 1,064 $823.17 —
Sutab Sod Sulf/Pot Chloride/Mag Sulf 15 23 $2,362.27 15
Vemlidy Tenofovir Alafenamide 12 360 $16,640.16 —

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

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

License # reported to NPPES MD C0001102

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

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: Maryland Board of Physicians.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

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

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20050412000258

Enrollment State Jurisdiction

DC

PECOS Control ID

8729025721

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

Capital Digestive Care Llc

14955 Shady Grove Rd, Rockville, MD 208508725

Phone: 3013403252

Capital Digestive Care Llc

2021 K St Nw, Washington, DC 200611036

Phone: 2022963449

Capital Digestive Care Llc

7350 Van Dusen Rd, Laurel, MD 207075265

Phone: 3014985500

Clinicians Sharing This Practice Address or Phone

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

16 listed
Dr. Ruben Acosta , MD

Internal Medicine - Gastroenterology

NPI 1376545962

Doctor of Medicine (M.D.)

Dr. James Butler , MD

Internal Medicine - Gastroenterology

NPI 1295849222

Doctor of Medicine (M.D.)

Aarthi Buttrey , NP-C

Nurse Practitioner - Family

NPI 1700224920

Nurse Practitioner (Certified)

Franz Byars , NP

Nurse Practitioner

NPI 1477555795

Nurse Practitioner

Dr. Alan Diamond , MD

Internal Medicine - Gastroenterology

NPI 1457464851

Doctor of Medicine (M.D.)

Dr. Nissrin Ezmerli , MD

Internal Medicine - Gastroenterology

NPI 1588804165

Doctor of Medicine (M.D.)

Career & Practice History

NPI enumerated April 16, 2007.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1154546232
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 16, 2007
Last Update: July 07, 2016
Sole Proprietor: No

Other Physician Assistants in Silver Spring

All Physician Assistants in Silver Spring

Mailing Address

12510 Prosperity Dr, Suite 200

Silver Spring, MD 209041663

Phone: 2404855200

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.