Doctor profile · Federal record

Dr. Diane Armstrong, M.D.

Family Medicine Physician (CMS: Family Practice) · Fairfield, OH

  • NPI 1104913508
  • Accepts Medicare
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
544 Patterson Blvd
Fairfield, OH 450142514
(513) 896-9595
fax (513) 896-4171
Additional location
5150 Sandy Ln
Fairfield, OH 450142738
Mailing address
554 Patterson Blvd
Fairfield, OH 45014

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 29, 2022
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Ohio #35056729
Medicaid
OH #0705080

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104913508. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,092
Distinct HCPCS
10
Medicare allowed
$102,404
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 397 205 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 282 159 $86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 125 125 $123
G0008 Administration of influenza virus vaccine 75 73 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 72 70 $75
81002 Urinalysis, manual test 40 32 $3
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 32 30 $14
99212 Established patient office or other outpatient visit, 10-19 minutes 24 23 $53
99215 Established patient office or other outpatient visit, 40-54 minutes 16 13 $171
83036 Hemoglobin a1c level 15 14 $10

In context: peer comparison

Among 4 peers in this city , average services per provider: 94. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Imperative Care, Inc 1 $33.45

By nature of payment

Food and Beverage
$33

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,279
Patients
1,062
Total drug cost
$47,808
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 824 208 $8,553
Amlodipine Besylate Generic 424 96 $2,099
Levothyroxine Sodium Generic 400 98 $4,833
Gabapentin Generic 322 73 $4,414
Metformin Hcl Er (Metformin Hcl) Brand 248 67 $2,600
Allopurinol Generic 239 59 $3,016
Lisinopril Generic 239 63 $1,678
Pantoprazole Sodium Generic 239 61 $2,359
Sertraline Hcl Generic 227 54 $1,524
Omeprazole Generic 217 55 $2,383

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Armstrong's medical specialty?
Dr. Diane Armstrong practices Family Medicine Physician in Fairfield, OH.
Where does Dr. Diane Armstrong practice?
Dr. Diane Armstrong practices at 544 Patterson Blvd, Fairfield, OH 450142514. Office phone: 5138969595.
What is Dr. Diane Armstrong's NPI?
Dr. Diane Armstrong's National Provider Identifier (NPI) is 1104913508, issued by NPPES.
Does Dr. Diane Armstrong accept Medicare assignment?
Yes. Dr. Diane Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.