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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PUNYA CHITTAJALLU MD
NPI 1265069520
Internal Medicine - Gastroenterology in Mckinney, TX

Active since March 26, 2020
4521 MEDICAL CENTER DR STE 500, MCKINNEY, TX 75069(972) 562-8383(972) 548-8388 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 17, 2026, Mar 26, 2020 (2 updates tracked since 2020).

About Punya Chittajallu Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PUNYA CHITTAJALLU MD (NPI 1265069520) is an individual gastroenterology provider in Mckinney, Texas, licensed in Texas (W7982) and active in the NPI registry since March 2020.

NPPES Registry Identity

NPI1265069520
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NamePUNYA CHITTAJALLUCredential: MD
Location Address4521 MEDICAL CENTER DR STE 500Mckinney, TX 75069-6862
Mailing Address950 E State Highway 114 Ste 200Southlake, TX 76092-5261 · (214) 424-2200 · Fax (214) 231-2159
Phone(972) 562-8383
Fax(972) 548-8388
Sole ProprietorNo
Enumeration DateMarch 26, 2020
Last NPPES UpdateAugust 17, 20262 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1265069520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in TX · W7982
Definition
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.
4521 MEDICAL CENTER DR STE 500, Mckinney, TX 75069
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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HILLARY ANN DILBECK FNP-BC
Nurse Practitioner (Family)
4521 MEDICAL CENTER DR STE 500
MCKINNEY, TX 75069
Collin County (972) 562-8383
SANJAY NAYYAR MD
Internal Medicine (Gastroenterology)
4521 MEDICAL CENTER DR STE 500
MCKINNEY, TX 75069
Collin County (972) 562-8383
DR. ASHA ADAMS D.O.
Internal Medicine (Gastroenterology)
4521 MEDICAL CENTER DR STE 500
MCKINNEY, TX 75069
Collin County (972) 562-8383

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Punya Chittajallu's NPI number?

The NPI number for Punya Chittajallu is 1265069520. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Punya Chittajallu located?

Punya Chittajallu practices at 4521 Medical Center Dr Ste 500, Mckinney, TX 75069. The listed phone number is (972) 562-8383.

What is Punya Chittajallu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Punya Chittajallu was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.