Peter Armstrong, M.D.
NPI 1437228038 · Radiation Oncology Physician · Petoskey, MI
Peter Armstrong, M.D. is a Radiation Oncology Physician provider in Petoskey, MI (NPI 1437228038).
Provider details
- NPI number
- 1437228038
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301063027 (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
19 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
- 2006-11-07
- Last updated
- 2007-11-06
Frequently asked questions
- What is Peter Armstrong's NPI number?
- Peter Armstrong's National Provider Identifier (NPI) is 1437228038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Armstrong's specialty?
- Peter Armstrong is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Armstrong located?
- Peter Armstrong's practice location on file with NPPES is 416 Connable Ave, Petoskey, MI 49770-2212.
- What is Peter Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Peter Armstrong is (231) 487-4209.
- Is Peter Armstrong's NPI active?
- Yes — Peter Armstrong's NPI (1437228038) is active in the NPPES registry as of the last update on 2007-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.