Geetha Ganesan, M.D.
Internal Medicine Physician · Wauwatosa, WI
Geetha Ganesan, M.D. is an internal medicine physician with a practice address in Wauwatosa, Wisconsin, and NPI 1003849407, issued on Jul 9, 2006. Check the license (Wisconsin 43810, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Geetha Ganesan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 43810 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3289 N Mayfair RD, Wauwatosa, WI 53222
- Phone
- (414) 771-7900
- Enumerated
- Jul 9, 2006
- Record last updated
- Sep 27, 2023
- Fax
- (414) 607-6336
- Medicaid ID
- 34352000 WI
- Medicare enrollment
- Enrolled (PECOS I20080724000785); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 3289 N Mayfair RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Curtis Cornella-Carlson, DOObstetrics & Gynecology Physician1205867611
- Mackenzee Derrick, AGACNP-BCNurse Practitioner1821576406
Verify Geetha Ganesan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average internal medicine physician in 2024
12,317 Medicare Part D claims for 763 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 22 claims were for opioids.
Most prescribed
- Amlodipine Besylate613 claims
- Atorvastatin Calcium552 claims
- Levothyroxine Sodium524 claims
- Omeprazole511 claims
- Rosuvastatin Calcium429 claims
- Simvastatin403 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Aamg Reach PLLCKenosha, WI
- Aurora Advanced Healthcare, Inc.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geetha Ganesan among 2,078 internal medicine physician records in Wisconsin
Geetha Ganesan, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1994 · median 2002 among the 1,098 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 internal medicine physician records list a practice address in Wauwatosa
They are 45 of the 1,787 NPPES records with a practice address in Wauwatosa, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Wauwatosa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kalpana Ajjampore, MDWauwatosa, WI 532221518903665
- Stephen Baker, M.D.Wauwatosa, WI 532221518931013
- U Blaschke, MDWauwatosa, WI 532221437111762
- Sharon Doss, MDMilwaukee, WI 532221215966510
- Mohammad Fareed, MDWauwatosa, WI 532221841229044
- Alok Goyal, M.D.Milwaukee, WI 532221487634036
- Sunitha Gundamraj, M.D.Wauwatosa, WI 532221245269398
- Jane Hawes, MDWauwatosa, WI 532221922049162
Common questions
What is Geetha Ganesan, M.D.'s NPI number?
Geetha Ganesan, M.D.'s National Provider Identifier (NPI) is 1003849407, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Geetha Ganesan, M.D. located?
The NPPES record lists a practice address at 3289 N Mayfair RD, Wauwatosa, WI, 53222. Phone: (414) 771-7900. Providers update this record themselves, so call before visiting.
How can I verify Geetha Ganesan, M.D.'s license?
NPPES lists Wisconsin license number 43810, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Geetha Ganesan, M.D. prescribe under Medicare Part D?
In 2024, Geetha Ganesan, M.D. had 12,317 Medicare Part D claims for 763 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.