Charles Jamsen, M.D.
NPI 1972828028 · Internal Medicine Physician · Jackson, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Jamsen, M.D. is a Internal Medicine Physician provider in Jackson, MI (NPI 1972828028).
Provider details
- NPI number
- 1972828028
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301096944 (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
16 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
- 2010-04-01
- Last updated
- 2015-10-12
Frequently asked questions
- What is Charles Jamsen's NPI number?
- Charles Jamsen's National Provider Identifier (NPI) is 1972828028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Jamsen's specialty?
- Charles Jamsen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Jamsen located?
- Charles Jamsen's practice location on file with NPPES is 3500 N Elm Ave, Jackson, MI 49201-8887.
- What is Charles Jamsen's phone number?
- The practice phone number listed in the NPPES registry for Charles Jamsen is (517) 780-5107.
- Does Charles Jamsen accept Medicare?
- Charles Jamsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Jamsen's NPI active?
- Yes — Charles Jamsen's NPI (1972828028) is active in the NPPES registry as of the last update on 2015-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.