Oldendorf Medical Services, PLLC
NPI 1518107069 · Internal Medicine Physician · Loudonville, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oldendorf Medical Services, PLLC is a Internal Medicine Physician organization in Loudonville, NY (NPI 1518107069).
Provider details
- NPI number
- 1518107069
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Oldendorf, Md/Owner(518) 435-1300
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Multi-Specialty Clinic/Center261QM1300X
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-02-24
- Last updated
- 2019-08-08
Frequently asked questions
- What is Oldendorf Medical Services, PLLC's NPI number?
- Oldendorf Medical Services, PLLC's National Provider Identifier (NPI) is 1518107069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Oldendorf Medical Services, PLLC?
- Oldendorf Medical Services, PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oldendorf Medical Services, PLLC located?
- Oldendorf Medical Services, PLLC's practice location on file with NPPES is 407 Albany Shaker Rd, Loudonville, NY 12211-1900.
- What is Oldendorf Medical Services, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Oldendorf Medical Services, PLLC is (518) 435-1300.
- Does Oldendorf Medical Services, PLLC accept Medicare?
- Oldendorf Medical Services, PLLC 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 Oldendorf Medical Services, PLLC?
- The authorized official listed on Oldendorf Medical Services, PLLC's NPPES record is Mark Oldendorf, Md/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Oldendorf Medical Services, PLLC's NPI active?
- Yes — Oldendorf Medical Services, PLLC's NPI (1518107069) is active in the NPPES registry as of the last update on 2019-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.