Gerard Olivier Mathelier, M.D.
Anesthesiology Physician · Baltimore, MD
Gerard Olivier Mathelier, M.D. is an anesthesiology physician with a practice address in Baltimore, Maryland, and NPI 1497149686, issued on Mar 25, 2015. Check the license (Maryland D0089501, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Gerard Olivier Mathelier
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- D0089501 MD
ME140158 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4940 Eastern Ave, Baltimore, MD 21224
- Phone
- (410) 550-0942
- Enumerated
- Mar 25, 2015
- Record last updated
- Jul 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (410) 550-0443
- Medicaid ID
- 1497149686 MD
- Medicare enrollment
- Enrolled (PECOS I20201130001071); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,253 in Maryland → Look up another NPI →
Also registered at 4940 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gerard Olivier Mathelier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0089501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gerard Olivier Mathelier among 1,253 anesthesiology physician records in Maryland
Gerard Olivier Mathelier, M.D. is one of 1,253 anesthesiology physician records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.
- NPI issued2015 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2015 · median 2005 among the 813 with a school on file
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
523 anesthesiology physician records list a practice address in Baltimore
They are 523 of the 35,183 NPPES records with a practice address in Baltimore, and 1,253 anesthesiology physician records in Maryland.
All 1,253 in Maryland → Every provider in Baltimore → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Haitham Algrain, MDBaltimore, MD 212241275671349
- Tangwan Azefor, MDBaltimore, MD 212241336341742
- Mary Brady, M.D.Baltimore, MD 212241740247774
- Asha Chari, MDBaltimore, MD 212241356430292
- Kristin Cheung, M.D.Baltimore, MD 212241770533028
- Jian Hang, M.D., PH.D.Baltimore, MD 212241457300444
- Paul Hoehner, MD, MA, FAHABaltimore, MD 212241780652453
- Sean Isaac, MDBaltimore, MD 212241386835767
Common questions
What is Gerard Olivier Mathelier, M.D.'s NPI number?
Gerard Olivier Mathelier, M.D.'s National Provider Identifier (NPI) is 1497149686, issued on Mar 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Gerard Olivier Mathelier, M.D. located?
The NPPES record lists a practice address at 4940 Eastern Ave, Baltimore, MD, 21224. Phone: (410) 550-0942. Providers update this record themselves, so call before visiting.
How can I verify Gerard Olivier Mathelier, M.D.'s license?
NPPES lists Maryland license number D0089501, 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.
What is Gerard Olivier Mathelier, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.