What is Abhishek Challa's NPI number?

Abhishek Challa's National Provider Identifier (NPI) is 1477968659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Abhishek Challa's specialty?

Abhishek Challa is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).

Where is Abhishek Challa located?

Abhishek Challa's practice location on file with NPPES is 11212 State Highway 151 Medical Plaza, 1, San Antonio, TX 78251-4507.

What is Abhishek Challa's phone number?

The practice phone number listed in the NPPES registry for Abhishek Challa is (210) 614-1234.

Does Abhishek Challa accept Medicare?

Abhishek Challa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Abhishek Challa's NPI active?

Yes — Abhishek Challa's NPI (1477968659) is active in the NPPES registry as of the last update on 2022-06-03.

IndividualActiveAccepts Medicare

Abhishek Challa

NPI 1477968659 · Gastroenterology Physician · San Antonio, TX

Abhishek Challa is a Gastroenterology Physician provider in San Antonio, TX (NPI 1477968659).

Provider details

NPI number: 1477968659
Entity type: Individual
Primary specialty: Gastroenterology PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: Yes
License: 7322 (NE)

Practice location

11212 State Highway 151 Medical Plaza, 1

Suite 250

San Antonio, TX 78251-4507

Phone: (210) 614-1234

Approximate (ZIP-level) locationGet directions

More TX providers

Mailing address

Po Box 206239

Dallas, TX 75320-6239

Specialties & taxonomies

Gastroenterology PhysicianPrimary207RG0100XLicense 94-09778 (KS)
Allopathic & Osteopathic Physicians
Transplant Surgery Physician204F00000XLicense 7322 (NE)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(66/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
12 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
369 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	106	$159
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	81	$122
Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385	69	$235
Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239	61	$92
Biopsy of Large Bowel Using a Flexible Endoscope45380	21	$97

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Omeprazole	200	72
Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes	65	60
Sucralfate	44	16
Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G	44	43
Pantoprazole Sodium	25	13
Linaclotidebrand: Linzess	20	—
Sodium, Potassium,mag Sulfates

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,376 across 81 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2014-06-25
Last updated: 2022-06-03
Certified: 2022-05-23

Frequently asked questions

What is Abhishek Challa's NPI number?: Abhishek Challa's National Provider Identifier (NPI) is 1477968659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Abhishek Challa's specialty?: Abhishek Challa is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
Where is Abhishek Challa located?: Abhishek Challa's practice location on file with NPPES is 11212 State Highway 151 Medical Plaza, 1, San Antonio, TX 78251-4507.
What is Abhishek Challa's phone number?: The practice phone number listed in the NPPES registry for Abhishek Challa is (210) 614-1234.
Does Abhishek Challa accept Medicare?: Abhishek Challa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Abhishek Challa's NPI active?: Yes — Abhishek Challa's NPI (1477968659) is active in the NPPES registry as of the last update on 2022-06-03.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	106	$159
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	81	$122
Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385	69	$235
Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239	61	$92
Biopsy of Large Bowel Using a Flexible Endoscope45380	21	$97

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Omeprazole	200	72
Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes	65	60
Sucralfate	44	16
Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G	44	43
Pantoprazole Sodium	25	13
Linaclotidebrand: Linzess	20	—
Sodium, Potassium,mag Sulfates

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,376 across 81 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments