Maureen Ann O'Hallaron, M.D.
Internal Medicine Physician · Asheville, NC
Maureen Ann O'Hallaron, M.D. is an internal medicine physician with a practice address in Asheville, North Carolina, and NPI 1689624462, issued on May 11, 2006. Check the license on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Maureen Ann O'Hallaron
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME65182 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Tunnel RD, Asheville, NC 28805
- Phone
- (828) 298-7911
- Enumerated
- May 11, 2006
- Record last updated
- Aug 8, 2023
- Fax
- (828) 299-5962
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 1100 Tunnel RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maureen Ann O'Hallaron in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
119 Medicare Part D claims for 19 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Maureen Ann O'Hallaron among 4,056 internal medicine physician records in North Carolina
Maureen Ann O'Hallaron, M.D. is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 52% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2023 · 48% 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 North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
203 internal medicine physician records list a practice address in Asheville
They are 203 of the 8,173 NPPES records with a practice address in Asheville, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Asheville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Clara Chay, M.D.Asheville, NC 288051285600304
- Jerold Fadem, M.D.Asheville, NC 288051629046958
- Carl Greever, M.D.Asheville, NC 288051124087796
- Lara Hume, MDAsheville, NC 288051770561334
- James Johnson, MDAsheville, NC 288051902866031
- Raj Kumar, MDAsheville, NC 288051497755433
- Michael Lutarewych, MDAsheville, NC 288051508864588
- William May, MDAsheville, NC 288051558321646
Common questions
What is Maureen Ann O'Hallaron, M.D.'s NPI number?
Maureen Ann O'Hallaron, M.D.'s National Provider Identifier (NPI) is 1689624462, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maureen Ann O'Hallaron, M.D. located?
The NPPES record lists a practice address at 1100 Tunnel RD, Asheville, NC, 28805. Phone: (828) 298-7911. Providers update this record themselves, so call before visiting.
How can I verify Maureen Ann O'Hallaron, M.D.'s license?
Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maureen Ann O'Hallaron, M.D. prescribe under Medicare Part D?
In 2024, Maureen Ann O'Hallaron, M.D. had 119 Medicare Part D claims for 19 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.