Doctor profile · Federal record

Dr. Gregg McLean, M.D

Internal Medicine Physician · Saginaw, MI

  • NPI 1134161219
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3875 Bay RD, Suite 45
Saginaw, MI 486032417
(989) 583-5150
fax (989) 583-6831
Mailing address
1447 N Harrison St
Saginaw, MI 486024727

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 12, 2014
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301058625
Medicaid (2)
MI #M74750110 · MI #3483448

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134161219. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,395
Distinct HCPCS
10
Medicare allowed
$115,098
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 618 235 $86
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 192 150 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 94 73 $123
G0008 Administration of influenza virus vaccine 79 78 $29
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 67 67 $125
99495 Transitional care management services for problem of at least moderate complexity 58 42 $196
G0009 Administration of pneumococcal vaccine 52 52 $24
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 46 46 $283
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 44 44 $76
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 42 42 $160

In context: peer comparison

Among 36 peers in this city , average services per provider: 118. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,233
Patients
1,382
Total drug cost
$369,831
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 615 180 $11,213
Amlodipine Besylate Generic 554 160 $5,934
Levothyroxine Sodium Generic 443 112 $8,293
Lisinopril Generic 415 125 $5,312
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 409 54 $7,109
Metformin Hcl Generic 360 104 $4,385
Omeprazole Generic 348 100 $5,289
Simvastatin Generic 326 91 $4,632
Alprazolam Generic 304 53 $2,163
Gabapentin Generic 283 72 $5,029

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregg McLean's medical specialty?
Dr. Gregg McLean practices Internal Medicine Physician in Saginaw, MI.
Where does Dr. Gregg McLean practice?
Dr. Gregg McLean practices at 3875 Bay RD, Saginaw, MI 486032417. Office phone: 9895835150.
What is Dr. Gregg McLean's NPI?
Dr. Gregg McLean's National Provider Identifier (NPI) is 1134161219, issued by NPPES.
What procedures does Dr. Gregg McLean commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.