IndividualActive
William Allen, M.D.
NPI 1639147168 · Family Medicine Physician · Kalamazoo, MI
William Allen, M.D. is a Family Medicine Physician provider in Kalamazoo, MI (NPI 1639147168).
Provider details
- NPI number
- 1639147168
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301032219 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1000 Oakland Dr
Kalamazoo, MI 49008-1282
Phone: (269) 337-6500
Fax: (269) 337-6434
Street-level locationGet directions
Mailing address
1000 Oakland Dr
Kalamazoo, MI 49008-1282
Registry dates
- Enumerated
- 2006-03-10
- Last updated
- 2013-05-23
Frequently asked questions
- What is William Allen's NPI number?
- William Allen's National Provider Identifier (NPI) is 1639147168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Allen's specialty?
- William Allen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Allen located?
- William Allen's practice location on file with NPPES is 1000 Oakland Dr, Kalamazoo, MI 49008-1282.
- What is William Allen's phone number?
- The practice phone number listed in the NPPES registry for William Allen is (269) 337-6500.
- Is William Allen's NPI active?
- Yes — William Allen's NPI (1639147168) is active in the NPPES registry as of the last update on 2013-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.