Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Diane Lynn Armstrong, MD

Individual provider Family Medicine Physician · NPI 1104913508

Diane Lynn Armstrong, MD is a Family Practice in Fairfield, Ohio. Graduated from University of Toledo College of Medicine in 1985, 41 years ago. Practices with Mercy Health Physicians Cincinnati LLC, a 192-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
41
Trained at
University of Toledo College of Medicine
Licensed in
OH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

544 Patterson Blvd
Fairfield, OH 45014-2514
Phone: (513) 896-9595
Fax: (513) 896-4171
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5150 Sandy Ln, Fairfield, OH 45014-2738 — (513) 896-9595

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 35056729 (OH)

Record details

NPI number1104913508
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 6, 2006
Last updated in NPPESApril 29, 2022
Certification dateApril 29, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF TOLEDO COLLEGE OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Mercy Health Physicians Cincinnati Llc — 192 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Fairfield