Allegan Internal Medicine, P. C
NPI 1508813114 · Internal Medicine Physician · Allegan, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allegan Internal Medicine, P. C is a Internal Medicine Physician organization in Allegan, MI (NPI 1508813114).
Provider details
- NPI number
- 1508813114
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Laurie Hildebrand, Office Manager/Billing(269) 673-2179
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
20 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
Other names (DBA / former)
- Former legal business name
- Allegan Internal Medicine, P. C
- Doing business as
- Thomas Street Clinic
- Doing business as
- Thomas Street Clinic
Registry dates
- Enumerated
- 2006-05-28
- Last updated
- 2025-12-22
- Certified
- 2025-12-22
Frequently asked questions
- What is Allegan Internal Medicine, P. C's NPI number?
- Allegan Internal Medicine, P. C's National Provider Identifier (NPI) is 1508813114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Allegan Internal Medicine, P. C?
- Allegan Internal Medicine, P. C is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allegan Internal Medicine, P. C located?
- Allegan Internal Medicine, P. C's practice location on file with NPPES is 305 Thomas St, Allegan, MI 49010-9158.
- What is Allegan Internal Medicine, P. C's phone number?
- The practice phone number listed in the NPPES registry for Allegan Internal Medicine, P. C is (269) 673-2179.
- Does Allegan Internal Medicine, P. C accept Medicare?
- Allegan Internal Medicine, P. C is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Allegan Internal Medicine, P. C?
- The authorized official listed on Allegan Internal Medicine, P. C's NPPES record is Laurie Hildebrand, Office Manager/Billing. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Allegan Internal Medicine, P. C's NPI active?
- Yes — Allegan Internal Medicine, P. C's NPI (1508813114) is active in the NPPES registry as of the last update on 2025-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.