Howard Kerwin, DO
NPI 1134124209 · Internal Medicine Physician · Clinton Twp, MI
Howard Kerwin, DO is a Internal Medicine Physician provider in Clinton Twp, MI (NPI 1134124209).
Provider details
- NPI number
- 1134124209
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101008611 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-16
- Last updated
- 2022-04-18
- Certified
- 2022-04-18
Frequently asked questions
- What is Howard Kerwin's NPI number?
- Howard Kerwin's National Provider Identifier (NPI) is 1134124209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Kerwin's specialty?
- Howard Kerwin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Kerwin located?
- Howard Kerwin's practice location on file with NPPES is 15520 19 Mile Rd, Clinton Twp, MI 48038-6332.
- What is Howard Kerwin's phone number?
- The practice phone number listed in the NPPES registry for Howard Kerwin is (586) 228-1010.
- Is Howard Kerwin's NPI active?
- Yes — Howard Kerwin's NPI (1134124209) is active in the NPPES registry as of the last update on 2022-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.