Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Christian Sommerhalder

Colon & Rectal Surgery • Grapevine, TX

Active NPI 1760877062 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

1600 W College St Ste 440
Grapevine, TX 760513584

Call 8178656200 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

1600 W College St Ste 440

Grapevine, TX 760513584

Telephone 8178656200
Fax 8666446856
Other Listings in Public Data

NPPES lists 1 additional practice-address record in El Paso, TX. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: Texas Oncology Pa. 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

2015

Medicare patients

92 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 $14,833 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 $11,388 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

66 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

$254 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: $901.69 across 7 records.

By nature of payment

  • Food and Beverage: $901.69 across 7 records.

Reporting-company totals (3 largest of 5)

  • INTUITIVE SURGICAL, INC.: $796.44 across 2 records.
  • Medtronic, Inc.: $46.87 across 2 records.
  • Takeda Pharmaceuticals U.S.A., Inc.: $19.66 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

11 years (graduated 2015)

CMS Doctors and Clinicians data list 2015 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

2015

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)

Christian Sommerhalder 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 Christian Sommerhalder 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 Grapevine and Texas

Billing and prescribing volume is not a quality rating.

Medicare Part B services

Fewer Medicare Part B services than 75% of clinicians listed under Colon & Rectal Surgery in Texas (2024, 154 clinicians with data). Median for this group: 270. Middle half: 170 to 449.

Too few clinicians listed under Colon & Rectal Surgery in Grapevine have Medicare Part B data for 2024 to compare.

Medicare-allowed amount

A lower Medicare-allowed amount than 80% of clinicians listed under Colon & Rectal Surgery in Texas (2024, 154 clinicians with data). Median for this group: $36,460. Middle half: $19,698 to $63,515.

Too few clinicians listed under Colon & Rectal Surgery in Grapevine have Medicare Part B data for 2024 to compare.

Paid by Medicare

A lower Medicare payment amount than 80% of clinicians listed under Colon & Rectal Surgery in Texas (2024, 154 clinicians with data). Median for this group: $27,753. Middle half: $14,300 to $48,419.

Too few clinicians listed under Colon & Rectal Surgery in Grapevine have Medicare Part B data for 2024 to compare.

Medicare Part D prescriptions

Fewer Part D prescriptions than 70% of clinicians listed under Colon & Rectal Surgery in Texas (2024, 149 clinicians with data). Median for this group: 131. Middle half: 58 to 266.

Too few clinicians listed under Colon & Rectal Surgery in Grapevine have Medicare Part D data for 2024 to compare.

Part D drug cost

A lower Part D drug cost than 85% of clinicians listed under Colon & Rectal Surgery in Texas (2024, 149 clinicians with data). Median for this group: $2,678. Middle half: $546 to $9,892.

Too few clinicians listed under Colon & Rectal Surgery in Grapevine have Medicare Part D data for 2024 to compare.

2 active clinicians are listed under Colon & Rectal Surgery with a practice address in Grapevine, TX (209 in Texas).

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

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): fewer than 11 records totaling $901.69.

Manufacturer Payment Nature Product Type Amount ($)
INTUITIVE SURGICAL, INC.
Food and Beverage
In-kind items and services
Da Vinci Surgical System General $661.62
INTUITIVE SURGICAL, INC.
Food and Beverage
In-kind items and services
Da Vinci Surgical System General $134.82
Medtronic, Inc.
Food and Beverage
In-kind items and services
LIGASURE General $25.65
Medtronic, Inc.
Food and Beverage
In-kind items and services
SIGNIA General $21.22
Takeda Pharmaceuticals U.S.A., Inc.
Food and Beverage
In-kind items and services
GATTEX General $19.66
TELA Bio, Inc.
Food and Beverage
In-kind items and services
OviTex Reinforced Bioscaffold With Permanent Polymer (OviTex) General $19.50
CONMED Corporation
Food and Beverage
In-kind items and services
AIRSEAL General $19.22

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

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 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, 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
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
33 19 $150.00 $55.76
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes
25 15 $135.00 $46.79
46600 Diagnostic exam of anus using an endoscope
23 23 $241.00 $113.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
22 22 $565.00 $156.94
99202 New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more
18 18 $257.00 $69.16
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
17 11 $250.00 $84.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
13 13 $372.00 $101.10
45380 Biopsy of large bowel using a flexible endoscope
12 12 $1065.00 $147.55

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
Tramadol Hcl Tramadol Hcl 16 77 $43.82 13
Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen 13 77 $115.99 —
Metoclopramide Hcl Metoclopramide Hcl 13 14 $6.52 13
Metronidazole Metronidazole 12 25 $18.51 12
Neomycin Sulfate Neomycin Sulfate 12 17 $69.37 12

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

Self-certified to NPPES: 2023-12-19
Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

License # reported to NPPES TX T9801

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

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: Texas Medical Board.
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 - COLORECTAL SURGERY (PROCTOLOGY)

Medicare Enrollment ID

I20231212004245

Enrollment State Jurisdiction

TX

PECOS Control ID

1759616758

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

Texas Oncology Pa

1600 W College St, Grapevine, TX 760513584

Phone: 8178656200

Secondary Practice Locations

4800 Alberta Ave, Dept. Of Surgery

El Paso, TX 799052709

Phone: 9152155324

Clinicians Sharing This Practice Address or Phone

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

1 listed
Dr. Jennifer Lowney , MD

Colon & Rectal Surgery

NPI 1821016254

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location December 19, 2023

Registered at 1600 W COLLEGE ST STE 440, GRAPEVINE, TX 760513584 (Tel: 8178656200)

📍
Updated Business Mailing Address December 19, 2023

Registered at PO BOX 911230 DEPT OF SURGERY, DALLAS, TX 753911230 (Tel: 9729978000)

✅
NPI Profile Active April 02, 2015

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) April 02, 2015

Registered at 4800 ALBERTA AVE, DEPT. OF SURGERY, EL PASO, TX 799052709 (Tel: 9152155324)

📍
Business Mailing Address (Initial Record) April 02, 2015

Registered at 4800 ALBERTA AVE, DEPT. OF SURGERY, EL PASO, TX 799052709 (Tel: 9152155324)

👤
Provider Name / Credentials (Initial Record) April 02, 2015

Recorded as CHRISTIAN SOMMERHALDER

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 02, 2015

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 02, 2015

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1760877062
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 02, 2015
Last Update: December 19, 2023
Sole Proprietor: No

Mailing Address

Po Box 911230 Dept Of Surgery

Dallas, TX 753911230

Phone: 9729978000

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.