Poornima Vanguri, MD
Colon & Rectal Surgery Physician · Walnut Creek, CA
Poornima Vanguri, MD is a colon & rectal surgery physician with a practice address in Walnut Creek, California, and NPI 1144457375, issued on Jun 15, 2009. Check the license (California A166381, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Poornima Vanguri
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- A166381 CA
Self-reported in NPPES; status is on the state search - Practice location
- 365 Lennon LN Ste 290, Walnut Creek, CA 94598
- Phone
- (925) 274-9000
- Enumerated
- Jun 15, 2009
- Record last updated
- Feb 10, 2025
- Fax
- (925) 274-9004
- Medicare enrollment
- Enrolled (PECOS I20200306001372); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 198 in California → Look up another NPI →
Also registered at 365 Lennon LN Ste 290
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Mazolewski, M.D.Surgery Physician1710076773
- Negar Salehomoum, M.D.Surgery Physician1013169911
Verify Poornima Vanguri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average colon & rectal surgery physician in 2024
194 Medicare Part D claims for 77 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Metronidazole27 claims
- Neomycin Sulfate26 claims
- Hydrocodone-Acetaminophen18 claims
- Hydrocortisone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $3,565.92
16 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Bass Medical GroupAlamo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Poornima Vanguri among 198 colon & rectal surgery physician records in California
Poornima Vanguri, MD is one of 198 colon & rectal surgery physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 68% of them.
- NPI issued2009 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2009 · median 2002 among the 149 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in California
There are 198 colon & rectal surgery physician records in California.
All 198 in California → Every provider in Walnut Creek → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Piyush Aggarwal, MDWalnut Creek, CA 945981700070273
- Ran Kim, M.D.Walnut Creek, CA 945981437237005
- Brian McGuinness, M.D.Walnut Creek, CA 945981891870770
- Ahmed Alkoraishi, MDHayward, CA 945451609954478
- Doreen Jackson, MDTravis Air Force Base, CA 945351649615287
- Mark Scherrer, MDTravis Afb, CA 945351487641155
- Kim Rhoads, MDStanford, CA 943051720266539
- Andrew Shelton, M.D.Stanford, CA 943051710029681
Common questions
What is Poornima Vanguri, MD's NPI number?
Poornima Vanguri, MD's National Provider Identifier (NPI) is 1144457375, issued on Jun 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Poornima Vanguri, MD located?
The NPPES record lists a practice address at 365 Lennon LN Ste 290, Walnut Creek, CA, 94598. Phone: (925) 274-9000. Providers update this record themselves, so call before visiting.
How can I verify Poornima Vanguri, MD's license?
NPPES lists California license number A166381, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Poornima Vanguri, MD prescribe under Medicare Part D?
In 2024, Poornima Vanguri, MD had 194 Medicare Part D claims for 77 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.