Diane Lynn Armstrong, M.D.
Family Medicine Physician · Fairfield, OH
Diane Lynn Armstrong, M.D. is a family medicine physician with a practice address in Fairfield, Ohio, and NPI 1104913508, issued on Oct 6, 2006. Check the license (Ohio 35056729, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Diane Lynn Armstrong
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 35056729 OH
Self-reported in NPPES; status is on the state search - Practice location
- 544 Patterson Blvd, Fairfield, OH 45014
- Phone
- (513) 896-9595
- Enumerated
- Oct 6, 2006
- Record last updated
- Apr 29, 2022
- Fax
- (513) 896-4171
- Medicaid ID
- 0705080 OH
- Medicare enrollment
- Enrolled (PECOS I20040527000145); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 544 Patterson Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katherine Keating, CNPNurse Practitioner1548770597
- Ziad Khatib, MDInternal Medicine Physician1083686075
- Kendra Lykins, CNPGerontology Nurse Practitioner1407301112
Verify Diane Lynn Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35056729Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average family medicine physician in 2024
11,697 Medicare Part D claims for 571 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 252 claims were for opioids.
Most prescribed
- Atorvastatin Calcium834 claims
- Amlodipine Besylate454 claims
- Levothyroxine Sodium410 claims
- Gabapentin301 claims
- Pantoprazole Sodium285 claims
- Lisinopril270 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: $33.45
1 payment: food and beverage; the largest payer was Imperative Care, Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Mercy Health Physicians Cincinnati LLCFairfield, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Lynn Armstrong among 5,606 family medicine physician records in Ohio
Diane Lynn Armstrong, M.D. is one of 5,606 family medicine physician records with a practice address in Ohio. 80% 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 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1985 · median 2005 among the 3,510 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family medicine physician records list a practice address in Fairfield
They are 17 of the 1,280 NPPES records with a practice address in Fairfield, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Fairfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Heeran Abawi, M.D.Fairfield, OH 450141932337649
- Richard Banks, MDFairfield, OH 450141245289529
- James Chaillet, MDFairfield, OH 450141174561310
- Samuel Docena, M.D.Fairfield, OH 450141376600973
- Douglas Hancher, MDFairfield, OH 450141497732952
- Sean Johnson, DOFairfield, OH 450141770070831
- Rebecca Koehl, M.D.Fairfield, OH 450141841289477
- William Mauntel, M.D.Fairfield, OH 450141780673129
Common questions
What is Diane Lynn Armstrong, M.D.'s NPI number?
Diane Lynn Armstrong, M.D.'s National Provider Identifier (NPI) is 1104913508, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Lynn Armstrong, M.D. located?
The NPPES record lists a practice address at 544 Patterson Blvd, Fairfield, OH, 45014. Phone: (513) 896-9595. Providers update this record themselves, so call before visiting.
How can I verify Diane Lynn Armstrong, M.D.'s license?
NPPES lists Ohio license number 35056729, 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.
How much does Diane Lynn Armstrong, M.D. prescribe under Medicare Part D?
In 2024, Diane Lynn Armstrong, M.D. had 11,697 Medicare Part D claims for 571 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.