Doctor profile · Federal record

Dr. Michael Ackerman, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Warrenton, VA

  • NPI 1174687917
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
555 Hospital Dr
Warrenton, VA 201863028
(540) 347-5512
fax (540) 341-4646
Mailing address
52 West Shirley Avenue
Warrenton, VA 20186

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
March 18, 2014
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Virginia #0102050260
Medicaid
VA #5846838

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174687917. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
923
Distinct HCPCS
10
Medicare allowed
$103,298
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 525 296 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 141 125 $88
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 91 91 $128
99215 Established patient office or other outpatient visit, 40-54 minutes 33 33 $173
G0008 Administration of influenza virus vaccine 33 33 $30
90662 Influenza vaccine split virus, preservative free 32 32 $72
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 27 26 $14
81003 Automated urinalysis test 16 12 $2
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 13 13 $282
G0009 Administration of pneumococcal vaccine 12 12 $30

In context: peer comparison

Among 4 peers in this city , average services per provider: 116. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$37
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Dexcom, Inc. 1 $23.62
Medtronic, Inc. 1 $13.57

By nature of payment

Food and Beverage
$37

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,539
Patients
624
Total drug cost
$27,783
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 312 86 $2,977
Amlodipine Besylate Generic 257 63 $1,534
Levothyroxine Sodium Generic 250 56 $3,134
Metformin Hcl Generic 223 51 $1,363
Pantoprazole Sodium Generic 208 52 $2,410
Gabapentin Generic 166 33 $3,199
Rosuvastatin Calcium Generic 163 48 $2,114
Lisinopril Generic 162 39 $892
Losartan Potassium Generic 144 35 $2,056
Carvedilol Generic 132 31 $996

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Ackerman's medical specialty?
Dr. Michael Ackerman practices Internal Medicine Physician in Warrenton, VA.
Where does Dr. Michael Ackerman practice?
Dr. Michael Ackerman practices at 555 Hospital Dr, Warrenton, VA 201863028. Office phone: 5403475512.
What is Dr. Michael Ackerman's NPI?
Dr. Michael Ackerman's National Provider Identifier (NPI) is 1174687917, issued by NPPES.
Does Dr. Michael Ackerman accept Medicare assignment?
Yes. Dr. Michael Ackerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Ackerman 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.