Peter S Armstrong MD PLLC
NPI 1659440113 · Radiation Oncology Physician · Petoskey, MI
Peter S Armstrong MD PLLC is a Radiation Oncology Physician organization in Petoskey, MI (NPI 1659440113).
Provider details
- NPI number
- 1659440113
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Peter Armstrong, President(231) 487-4252
- 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
- 2008-04-20
Frequently asked questions
- What is Peter S Armstrong MD PLLC's NPI number?
- Peter S Armstrong MD PLLC's National Provider Identifier (NPI) is 1659440113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Peter S Armstrong MD PLLC?
- Peter S Armstrong MD PLLC is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter S Armstrong MD PLLC located?
- Peter S Armstrong MD PLLC's practice location on file with NPPES is 416 Connable Ave, Petoskey, MI 49770-2212.
- What is Peter S Armstrong MD PLLC's phone number?
- The practice phone number listed in the NPPES registry for Peter S Armstrong MD PLLC is (231) 487-4252.
- Who is the authorized official for Peter S Armstrong MD PLLC?
- The authorized official listed on Peter S Armstrong MD PLLC's NPPES record is Peter Armstrong, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Peter S Armstrong MD PLLC's NPI active?
- Yes — Peter S Armstrong MD PLLC's NPI (1659440113) is active in the NPPES registry as of the last update on 2008-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.