Doctor profile · Federal record

Dr. Poornima Vanguri, MD

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Walnut Creek, CA

  • NPI 1144457375
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
365 Lennon Ln Ste 290
Walnut Creek, CA 945985915
(925) 274-9000
fax (925) 274-9004

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
February 10, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
California #A166381

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144457375. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
277
Distinct HCPCS
8
Medicare allowed
$34,363
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 57 48 $107
46600 Diagnostic exam of anus using an endoscope 54 49 $157
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 41 38 $144
99203 New patient office or other outpatient visit, 30-44 minutes 35 35 $132
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 31 21 $55
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 31 20 $88
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $194
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $140

In context: peer comparison

Among 2 peers in Walnut Creek Colon & Rectal Surgery Physician, average services per provider: 61. This provider delivers 4.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,566
Transactions
16
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 8 $3,313.56
Silk Road Medical, INC. 1 $79.57
Teleflex LLC 1 $28.02
Integra LifeSciences Corporation 1 $27.43
Lsi Solutions INC 1 $25.46
Aroa Biosurgery Incorporated 1 $25.28
Heron Therapeutics, INC. 1 $23.60
Acera Surgical, INC. 1 $23.36
Ethicon US, LLC 1 $19.64

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$2,500
Food and Beverage
$571
Travel and Lodging
$486
Gift
$9

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
71
Patients
46
Total drug cost
$474
Drug Type Claims Patients Total cost
Metronidazole Generic 19 17 $45
Neomycin Sulfate Generic 16 16 $105
Tramadol Hcl Generic 13 13 $23
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 0 $57
Hydrocortisone Generic 11 0 $244

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Poornima Vanguri's medical specialty?
Dr. Poornima Vanguri practices Colon & Rectal Surgery Physician in Walnut Creek, CA.
Where does Dr. Poornima Vanguri practice?
Dr. Poornima Vanguri practices at 365 Lennon Ln Ste 290, Walnut Creek, CA 945985915. Office phone: 9252749000.
What is Dr. Poornima Vanguri's NPI?
Dr. Poornima Vanguri's National Provider Identifier (NPI) is 1144457375, issued by NPPES.
Does Dr. Poornima Vanguri accept Medicare assignment?
Yes. Dr. Poornima Vanguri accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Poornima Vanguri commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Diagnostic exam of anus using an endoscope (HCPCS 46600); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.