Geetha Tamaroon, D.O.
NPI 1508002619 · Internal Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geetha Tamaroon, D.O. is a Internal Medicine Physician provider in Oakland, CA (NPI 1508002619).
Provider details
- NPI number
- 1508002619
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A10662 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
190 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 50 | $89 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 48 | $133 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 28 | $195 |
| Initial Hospital Care With Same-Day Admission and Discharge With High Level of Medical Decision Making, Per Day, If Using Time, at Least 85 Minutes99236 | 26 | $231 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 22 | $187 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$345 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-12-18
- Last updated
- 2008-12-18
Frequently asked questions
- What is Geetha Tamaroon's NPI number?
- Geetha Tamaroon's National Provider Identifier (NPI) is 1508002619, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geetha Tamaroon's specialty?
- Geetha Tamaroon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Geetha Tamaroon located?
- Geetha Tamaroon's practice location on file with NPPES is 1411 E 31st St, Oakland, CA 94602-1018.
- What is Geetha Tamaroon's phone number?
- The practice phone number listed in the NPPES registry for Geetha Tamaroon is (510) 437-4800.
- Does Geetha Tamaroon accept Medicare?
- Geetha Tamaroon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geetha Tamaroon's NPI active?
- Yes — Geetha Tamaroon's NPI (1508002619) is active in the NPPES registry as of the last update on 2008-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.