Maw Naing Oo, M.D.
Internal Medicine Physician · Towson, MD
Maw Naing Oo, M.D. is an internal medicine physician with a practice address in Towson, Maryland, and NPI 1841260569, issued on Jan 25, 2006. Check the license (Maryland DOO62239, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Maw Naing Oo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DOO62239 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6701 N Charles St, Towson, MD 21204
- Phone
- (410) 821-8444
- Enumerated
- Jan 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 821-8447
- Medicare enrollment
- Enrolled (PECOS I20050624000086); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 6701 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maw Naing Oo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license DOO62239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
352 Medicare Part D claims for 159 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 25 claims were for opioids.
Most prescribed
- Cefdinir32 claims
- Prednisone23 claims
- Furosemide17 claims
- Pantoprazole Sodium15 claims
- Oxycodone Hcl13 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 one group practice
- Adfinitas Health AT Upper Chesapeake LLCBel Air, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maw Naing Oo among 3,904 internal medicine physician records in Maryland
Maw Naing Oo, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1982 · median 2003 among the 2,445 with a school on file
- Record last updated2007 · 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).
121 internal medicine physician records list a practice address in Towson
They are 121 of the 3,721 NPPES records with a practice address in Towson, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Towson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Boersma, M.D.Towson, MD 212041235117219
- Jeffrey Briggs, M.D.Baltimore, MD 212041063491371
- Pauline Daley Richards, M.D.Baltimore, MD 212041174504864
- Iris Davis, MDBaltimore, MD 212041588654297
- Vincent Dipietro, M.D.Towson, MD 212041619948791
- Donna Dow, M.D.Towson, MD 212041821096355
- Pochna Kahle, M.D.Towson, MD 212041417949298
- Amit Khosla, M.D.Towson, MD 212041225035165
Common questions
What is Maw Naing Oo, M.D.'s NPI number?
Maw Naing Oo, M.D.'s National Provider Identifier (NPI) is 1841260569, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maw Naing Oo, M.D. located?
The NPPES record lists a practice address at 6701 N Charles St, Towson, MD, 21204. Phone: (410) 821-8444. Providers update this record themselves, so call before visiting.
How can I verify Maw Naing Oo, M.D.'s license?
NPPES lists Maryland license number DOO62239, 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 Maw Naing Oo, M.D. prescribe under Medicare Part D?
In 2024, Maw Naing Oo, M.D. had 352 Medicare Part D claims for 159 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.