Doctor profile · Federal record

Dr. Peter Lenhart, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Ada, MI

  • NPI 1831170646
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6741 E Fulton St, Ste 201
Ada, MI 49301
(616) 685-2500
fax (616) 685-2511

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 6, 2019
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301116956

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831170646. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
335
Distinct HCPCS
8
Medicare allowed
$31,874
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 173 74 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 52 33 $136
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 36 27 $76
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 20 20 $123
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 14 13 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 14 14 $64
99239 Hospital discharge day management, more than 30 minutes 14 14 $110
99238 Hospital discharge day management, 30 minutes or less 12 12 $78

In context: peer comparison

Among 1 peers in Ada Internal Medicine Physician, average services per provider: 41. This provider delivers 8.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,760
Patients
780
Total drug cost
$134,228
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 654 178 $13,242
Lisinopril Generic 311 88 $3,961
Amlodipine Besylate Generic 236 68 $2,816
Levothyroxine Sodium Generic 215 56 $4,528
Omeprazole Generic 203 59 $2,834
Losartan Potassium Generic 155 50 $3,245
Hydrochlorothiazide Generic 124 44 $660
Sertraline Hcl Generic 122 21 $1,191
Metoprolol Succinate Generic 118 37 $3,043
Rosuvastatin Calcium Generic 118 38 $4,463

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Lenhart's medical specialty?
Dr. Peter Lenhart practices Internal Medicine Physician in Ada, MI.
Where does Dr. Peter Lenhart practice?
Dr. Peter Lenhart practices at 6741 E Fulton St, Ada, MI 49301. Office phone: 6166852500.
What is Dr. Peter Lenhart's NPI?
Dr. Peter Lenhart's National Provider Identifier (NPI) is 1831170646, issued by NPPES.
Does Dr. Peter Lenhart accept Medicare assignment?
Yes. Dr. Peter Lenhart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Lenhart 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 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.