Dr. Geetha M. Tamaroon, DO
- Medicare services, 2024
- 190
- Medicare patients, 2024
- 129
- Part D claims, 2024
- 40
- MIPS score, 2024
- 95
- Hospital affiliations
- 2
- Practice address
- 1411 East 31st Street, Oakland, CA 94602
- Practice phone
- Call (510) 437-4800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tamaroon's professional email, personal email and mobile number
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Dr. Geetha M. Tamaroon is an internist in Oakland, California
Dr. Tamaroon practices at Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County.
Dr. Tamaroon's NPI, 1508002619, was assigned on December 18, 2008. Dr. Tamaroon graduated from Touro University California - Vallejo in 2007. Dr. Tamaroon holds California license 20A10662.
- NPI
- 1508002619NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264602077
- NPI enumeration date
- December 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 437-4800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Geetha M. Tamaroon practices at Alameda Health System - Highland Hospital in Oakland, California
Dr. Tamaroon's primary practice is Alameda Health System - Highland Hospital, at 1411 East 31st Street, Oakland, CA 94602 in Alameda County. The practice phone is (510) 437-4800.
- Alameda Health System - Highland Hospital1411 East 31st Street, Oakland, CA 94602 · Alameda CountyPhone(510) 437-4800
Source: Dmand AI Affiliation Data
Dr. Geetha M. Tamaroon is affiliated with 3 sites of care and 1 medical group
Dr. Tamaroon's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dr. Tamaroon is also affiliated with Alameda Hospital. The medical group on file is Alameda Health System. Dmand AI also links Dr. Tamaroon to 1 more community health center, named with a free account. Dr. Tamaroon's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Geetha M. Tamaroon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tamaroon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alameda Health System - Highland Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Geetha M. Tamaroon is one of 16,751 internists in California
Internal medicine is Dr. Tamaroon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tamaroon is board certified in internal medicine by the American Board of Internal Medicine. Dr. Tamaroon is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists gastrointestinal bleeding, headaches, kidney failure, non-surgical back problems and pulmonary embolism among the conditions Dr. Tamaroon treats.
Internists near Dr. Tamaroon
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Geetha M. Tamaroon billed Medicare for 190 services in 2024
CMS data shows 190 Medicare services from Dr. Tamaroon across 6 procedure codes in 2024, for 129 Medicare patients. Medicare paid $20,449 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tamaroon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3132024: 19039%
Dr. Tamaroon compared with the California median for internists, 2024
- Dr. Tamaroon
- California median
- Medicare services
- 190vs 36147% below
- Medicare patients
- 129vs 15115% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Tamaroon's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Tamaroon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tamaroon and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Geetha M. Tamaroon treated 129 Medicare patients in 2024, average age 70
CMS counts 129 Medicare patients who saw Dr. Tamaroon in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 84% are also on Medicaid. Their average risk score is 3.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tamaroon's median patient age at 64, with 44% women.
Dr. Tamaroon's Medicare patients by age, 2024
Dr. Tamaroon's Medicare patients by sex, 2024
- Women5039%
- Men7961%
Chronic conditions among Dr. Tamaroon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Diabetes54%
- Chronic kidney disease52%
- Heart failure41%
- Arthritis38%
- Mood disorders37%
- Alcohol and drug use disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tamaroon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women44%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Geetha M. Tamaroon wrote 40 Medicare Part D claims in 2024
In 2024, Dr. Tamaroon wrote 40 Medicare Part D claims for 11 patients. 88% of them were for generic drugs.
Dr. Tamaroon's Part D claims by kind of drug, 2024
- Generic35 claims88%
- Brand-name and other5 claims13%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Geetha M. Tamaroon scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Tamaroon for performance year 2024, reported as part of a group. Dr. Tamaroon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tamaroon's MIPS scores, performance year 2024
- 95of 100Final score
- 86.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Geetha M. Tamaroon received $1,430 in industry payments from 2021 to 2025
CMS Open Payments shows 12 general payments to Dr. Tamaroon from 7 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 81% of the total. Abbvie Inc. paid the most, $456.
General payments to Dr. Tamaroon by program year, 2021 to 2025
General payments to Dr. Tamaroon by kind, 2021 to 2025
- Food and beverage$1,15581%
- Speaker and faculty fees$27519%
Companies that paid Dr. Tamaroon the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Geetha M. Tamaroon graduated from Touro University California - Vallejo
Dr. Tamaroon graduated from Touro University California - Vallejo in 2007.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Geetha M. Tamaroon accepts plans from 12 insurance carriers
Dr. Tamaroon is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Tamaroon accepts, by number of carriers
- PPO8
- Medicare7
- HMO6
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Geetha M. Tamaroon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Geetha M. Tamaroon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Geetha M. Tamaroon's NPI number?
Dr. Geetha M. Tamaroon's NPI number is 1508002619. It was assigned on December 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Geetha M. Tamaroon?
Dr. Geetha M. Tamaroon is an internist in Oakland, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Geetha M. Tamaroon practice?
Dr. Tamaroon practices at 1411 East 31st Street, Oakland, CA 94602. Dr. Tamaroon's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dmand AI also links Dr. Tamaroon to 1 community health center.
What is Dr. Geetha M. Tamaroon's office phone number?
The practice phone on file for Dr. Tamaroon is (510) 437-4800.
What is Dr. Geetha M. Tamaroon's medical license number?
Dr. Tamaroon holds California license 20A10662.
Which hospitals is Dr. Geetha M. Tamaroon affiliated with?
Dr. Tamaroon practices at Alameda Health System - Highland Hospital in Oakland, California. Dr. Tamaroon is also affiliated with Alameda Hospital.
What medical group is Dr. Geetha M. Tamaroon part of?
Dr. Tamaroon is linked to Alameda Health System.
Does Dr. Geetha M. Tamaroon accept Medicare?
Yes. CMS data shows Dr. Tamaroon billed Medicare for 190 services in 2024, and Dr. Tamaroon accepts Medicare assignment.
What is Dr. Geetha M. Tamaroon's MIPS score?
Dr. Tamaroon's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
How many Medicare patients does Dr. Geetha M. Tamaroon see?
CMS counts 129 Medicare patients who saw Dr. Tamaroon in 2024, with an average age of 70.
Show 6 more questionsShow fewer questions
Is Dr. Geetha M. Tamaroon board certified?
Yes. Dr. Tamaroon is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Geetha M. Tamaroon bill to Medicare?
In 2024, Dr. Tamaroon's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Geetha M. Tamaroon go to medical school?
Dr. Tamaroon graduated from Touro University California - Vallejo in 2007.
Has Dr. Geetha M. Tamaroon received payments from drug or device companies?
CMS Open Payments shows $1,430 in general payments to Dr. Tamaroon from 7 companies from 2021 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Geetha M. Tamaroon been practicing?
Dr. Tamaroon graduated from medical school in 2007, 19 years ago.
What insurance does Dr. Geetha M. Tamaroon accept?
Dr. Tamaroon is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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