Gregg Mclean, M.D
NPI 1134161219 · Internal Medicine Physician · Saginaw, MI
Gregg Mclean, M.D is a Internal Medicine Physician provider in Saginaw, MI (NPI 1134161219).
Provider details
- NPI number
- 1134161219
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 4301058625 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
800 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 295 | $86 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 207 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 99 | $119 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 92 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 40 | $122 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 166 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 550 | 165 |
| Amlodipine Besylate | 433 | 127 |
| Levothyroxine Sodium | 390 | 108 |
| Lisinopril | 369 | 112 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 343 | 57 |
| Metformin Hcl | 328 | 92 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2014-06-12
Frequently asked questions
- What is Gregg Mclean's NPI number?
- Gregg Mclean's National Provider Identifier (NPI) is 1134161219, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Mclean's specialty?
- Gregg Mclean is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Mclean located?
- Gregg Mclean's practice location on file with NPPES is 3875 Bay Rd, Saginaw, MI 48603-2417.
- What is Gregg Mclean's phone number?
- The practice phone number listed in the NPPES registry for Gregg Mclean is (989) 583-5150.
- Is Gregg Mclean's NPI active?
- Yes — Gregg Mclean's NPI (1134161219) is active in the NPPES registry as of the last update on 2014-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.