# Mark W Oldendorf, MD

Source: https://ourhealthnetwork.com/doctor/mark-oldendorf-md-1427147800
NPI: 1427147800
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mark W Oldendorf, MD is a internal medicine based in Loudonville, NY practicing at Oldendorf Medical Services Pllc with NPI 1427147800 and offers telehealth visits.

## Profile

- Primary specialty: Internal Medicine
- Credential: MD
- Gender: Male
- Medical school: ALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
- Graduation year: 1976
- Telehealth: Yes
- NPI: 1427147800 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1427147800))

## Practice and contact

- Practice name: Oldendorf Medical Services Pllc
- Address: 407 Albany Shaker Rd, Suite 100, Loudonville, NY, 122111962
- Phone: (518) 435-1300
- Group practice size: 9 members

## Insurance accepted (11 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 13 plans
- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 8 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 6 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 4 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 3 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [EmblemHealth](https://ourhealthnetwork.com/insurance/emblemhealth) — 2 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [Highmark BS Northeastern NY](https://ourhealthnetwork.com/insurance/highmark-bs-northeastern-ny) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Mark W Oldendorf, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1427147800).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 54 disclosed payments from medical industry sources totaling approximately $910.

Largest disclosed payer: ABBVIE INC. ($181 cumulative).

Source: CMS Open Payments program (federal financial-transparency dataset). Industry payment disclosures do not imply any wrongdoing; many are legitimate consulting fees, research support, or speaker honoraria.

## Related on OurHealthNetwork

- [More Internal Medicine doctors in LOUDONVILLE, NY](https://ourhealthnetwork.com/internal-medicine/ny/loudonville)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1427147800)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)