Patricia Geiger Gao, M.D.
Internal Medicine Physician · Glen Burnie, MD
Patricia Geiger Gao, M.D. is an internal medicine physician with a practice address in Glen Burnie, Maryland, and NPI 1821070608, issued on Nov 16, 2005. Check the license (Maryland D0056046, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Patricia Geiger Gao
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0056046 MD
Self-reported in NPPES; status is on the state search - Practice location
- 203 Hospital Dr, Glen Burnie, MD 21061
- Phone
- (410) 760-7333
- Enumerated
- Nov 16, 2005
- Record last updated
- Jun 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (410) 760-7553
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 203 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Patricia Geiger Gao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0056046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average internal medicine physician in 2024
678 Medicare Part D claims for 124 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium63 claims
- Losartan Potassium60 claims
- Amlodipine Besylate53 claims
- Lisinopril37 claims
- Levothyroxine Sodium31 claims
- Metoprolol Succinate24 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.
Industry payments in 2024: $88.77
4 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Patricia Geiger Gao among 3,904 internal medicine physician records in Maryland
Patricia Geiger Gao, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2020 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
70 internal medicine physician records list a practice address in Glen Burnie
They are 70 of the 1,989 NPPES records with a practice address in Glen Burnie, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Glen Burnie → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Harvinder Arora, MDGlen Burnie, MD 210611487644241
- Darius Cameron, MDGlen Burnie, MD 210611255313029
- Anil Chopra, MDGlen Burnie, MD 210611205836236
- Henry Francis, MDGlen Burnie, MD 210611295718500
- Elliott Gorbaty, M.D.Glen Burnie, MD 210611528043049
- Alvin Madarang, M.D.Glen Burnie, MD 210611144214255
- Ayoku Oketunji, MDGlen Burnie, MD 210611083697312
- Bolaji Onabajo, MDGlen Burnie, MD 210611295718526
Common questions
What is Patricia Geiger Gao, M.D.'s NPI number?
Patricia Geiger Gao, M.D.'s National Provider Identifier (NPI) is 1821070608, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Patricia Geiger Gao, M.D. located?
The NPPES record lists a practice address at 203 Hospital Dr, Glen Burnie, MD, 21061. Phone: (410) 760-7333. Providers update this record themselves, so call before visiting.
How can I verify Patricia Geiger Gao, M.D.'s license?
NPPES lists Maryland license number D0056046, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patricia Geiger Gao, M.D. prescribe under Medicare Part D?
In 2024, Patricia Geiger Gao, M.D. had 678 Medicare Part D claims for 124 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.