Doctor profile · Federal record

Dr. Geetha Tamaroon, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Oakland, CA

  • NPI 1508002619
  • Accepts Medicare
  • MIPS 83.9 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1411 E 31St St
Oakland, CA 946021018
(510) 437-4800

Credentials & registration

NPPES · NUCC
NPI registered
December 2008 — 18 yrs on file
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A10662

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508002619. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
313
Distinct HCPCS
6
Medicare allowed
$43,732
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 133 45 $135
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 61 36 $90
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 51 50 $236
99239 Hospital discharge day management, more than 30 minutes 25 25 $132
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 22 12 $56
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes 21 21 $180

In context: peer comparison

Among 78 peers in Oakland Internal Medicine Physician, average services per provider: 326. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$345
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $123.74
Gilead Sciences, INC. 1 $111.32
Abbvie INC. 1 $110.00

By nature of payment

Food and Beverage
$345

Frequently asked questions

Auto-generated from federal data
What is Dr. Geetha Tamaroon's medical specialty?
Dr. Geetha Tamaroon practices Internal Medicine Physician in Oakland, CA.
Where does Dr. Geetha Tamaroon practice?
Dr. Geetha Tamaroon practices at 1411 E 31St St, Oakland, CA 946021018. Office phone: 5104374800.
What is Dr. Geetha Tamaroon's NPI?
Dr. Geetha Tamaroon's National Provider Identifier (NPI) is 1508002619, issued by NPPES.
Does Dr. Geetha Tamaroon accept Medicare assignment?
Yes. Dr. Geetha Tamaroon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Geetha Tamaroon commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with same-day admission and discharge with high level of medical decision making (HCPCS 99236). Source: CMS Medicare Physician & Other Practitioners file.