John Weaver, MD
Anesthesiology Physician · Lancaster, OH
John Weaver, MD is an anesthesiology physician with a practice address in Lancaster, Ohio, and NPI 1073513396, issued on Jul 28, 2005. Check the license (Ohio 35081749, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- John Weaver
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 35081749 OH
Self-reported in NPPES; status is on the state search - Practice location
- 401 N Ewing St, Lancaster, OH 43130
- Phone
- (513) 672-3309
- Enumerated
- Jul 28, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (513) 672-3323
- Medicaid ID
- 2420928 OH
- Medicare enrollment
- Enrolled (PECOS I20111206000662); accepts Medicare assignment
- Medical or professional school
- Medical College Of Ohio, 1999
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,068 in Ohio → Look up another NPI →
Also registered at 401 N Ewing St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Salomon Ahumada Sabagh, DOEmergency Medicine Physician1437809720
- Nawal Al-NouriRegistered Dietitian1235517368
- Mhmtjamil Alkhalaf, MDFamily Medicine Physician1407429574
- Todd Armen, MDAnesthesiology Physician1265557680
- Sarah Asbridge, D.O.Emergency Medicine Physician1710297304
- Amanda Baker, CNPAcute Care Nurse Practitioner1205232287
Verify John Weaver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35081749Check 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): 28.6 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
- Fairfield Anesthesia Associates IncLancaster, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Weaver among 2,068 anesthesiology physician records in Ohio
John Weaver, MD is one of 2,068 anesthesiology physician records with a practice address in Ohio. 74% 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, 85% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1999 · median 2005 among the 1,382 with a school on file
- Record last updated2026 · 57% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Ohio
There are 2,068 anesthesiology physician records in Ohio.
All 2,068 in Ohio → Every provider in Lancaster → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Dustin Alvey, MDLancaster, OH 431301679101836
- Todd Armen, MDLancaster, OH 431301265557680
- David Conley, MDLancaster, OH 431301215937503
- Michelle Douglass, MDLancaster, OH 431301619977014
- Rosalie Fermo Ullom, MDLancaster, OH 431301053311456
- Matthew Fyie, MDLancaster, OH 431301235139643
- Gretchen Hollingswowrth, MDLancaster, OH 431301114927522
- Matthew Jaruwannakorn, M.D.Lancaster, OH 431301336428770
Common questions
What is John Weaver, MD's NPI number?
John Weaver, MD's National Provider Identifier (NPI) is 1073513396, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Weaver, MD located?
The NPPES record lists a practice address at 401 N Ewing St, Lancaster, OH, 43130. Phone: (513) 672-3309. Providers update this record themselves, so call before visiting.
How can I verify John Weaver, MD's license?
NPPES lists Ohio license number 35081749, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is John Weaver, MD's MIPS final score?
The 2023 MIPS final score is 28.6 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.