Doctor profile · Federal record

Dr. Runi Chattopadhyay, MD

Surgery Physician (CMS: General Surgery) · Palo Alto, CA

  • NPI 1821055336
  • Accepts Medicare
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
795 El Camino Real
Palo Alto, CA 943012302
(650) 853-2946
fax (650) 853-6053
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 15, 2020
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A91895
Medicaid
CA #0A9189500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821055336. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
297
Distinct HCPCS
7
Medicare allowed
$71,456
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 165 129 $216
99205 New patient office or other outpatient visit, 60-74 minutes 43 43 $263
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 27 24 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 19 17 $155
38525 Biopsy or removal of deep lymph nodes of underarm 15 15 $260
14001 Repair of wound of trunk by transferring skin, 10.1-30.0 sq cm 14 13 $689
19301 Partial removal of breast 14 14 $506

In context: peer comparison

Among 24 peers in Palo Alto Surgery Physician, average services per provider: 38. This provider delivers 7.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
20
Patients
18
Total drug cost
$57
Drug Type Claims Patients Total cost
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 20 18 $57

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Runi Chattopadhyay's medical specialty?
Dr. Runi Chattopadhyay practices Surgery Physician in Palo Alto, CA.
Where does Dr. Runi Chattopadhyay practice?
Dr. Runi Chattopadhyay practices at 795 El Camino Real, Palo Alto, CA 943012302. Office phone: 6508532946.
What is Dr. Runi Chattopadhyay's NPI?
Dr. Runi Chattopadhyay's National Provider Identifier (NPI) is 1821055336, issued by NPPES.
Does Dr. Runi Chattopadhyay accept Medicare assignment?
Yes. Dr. Runi Chattopadhyay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Runi Chattopadhyay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212). Source: CMS Medicare Physician & Other Practitioners file.