Gregory Wallin, MD
NPI 1790070803 · Family Medicine Physician · Benton Harbor, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Wallin, MD is a Family Medicine Physician provider in Benton Harbor, MI (NPI 1790070803).
Provider details
- NPI number
- 1790070803
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036134280 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Amlodipine Besylate | 26 |
| Losartan Potassium | 25 |
| Dulaglutidebrand: Trulicity | 18 |
| Pantoprazole Sodium | 18 |
| Atorvastatin Calcium | 17 |
| Metformin Hcl | 17 |
| Apixabanbrand: Eliquis | 14 |
| Aripiprazole | 13 |
Practice location
Mailing address
Additional practice locations (1)
- 430 Warrenville Rd Ste 310Lisle, IL 60532-1348Phone: (630) 548-0408Fax: (306) 528-3666
Registry dates
- Enumerated
- 2011-06-16
- Last updated
- 2024-01-26
- Certified
- 2024-01-26
Frequently asked questions
- What is Gregory Wallin's NPI number?
- Gregory Wallin's National Provider Identifier (NPI) is 1790070803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Wallin's specialty?
- Gregory Wallin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Wallin located?
- Gregory Wallin's practice location on file with NPPES is 1986 Mall Pl, Benton Harbor, MI 49022-2332.
- What is Gregory Wallin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Wallin is (269) 945-5854.
- Does Gregory Wallin accept Medicare?
- Gregory Wallin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Wallin's NPI active?
- Yes — Gregory Wallin's NPI (1790070803) is active in the NPPES registry as of the last update on 2024-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.