Mark Friedman, D.O.
NPI 1548269558 · Anatomic Pathology & Clinical Pathology Physician · New York, NY
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Friedman, D.O. is a Anatomic Pathology & Clinical Pathology Physician provider in New York, NY (NPI 1548269558).
Provider details
- NPI number
- 1548269558
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 186947 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$520 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-20
- Last updated
- 2008-06-19
Frequently asked questions
- What is Mark Friedman's NPI number?
- Mark Friedman's National Provider Identifier (NPI) is 1548269558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Friedman's specialty?
- Mark Friedman is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Friedman located?
- Mark Friedman's practice location on file with NPPES is 1000 10th Ave, New York, NY 10019-1147.
- What is Mark Friedman's phone number?
- The practice phone number listed in the NPPES registry for Mark Friedman is (212) 523-4332.
- Does Mark Friedman accept Medicare?
- Mark Friedman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Friedman's NPI active?
- Yes — Mark Friedman's NPI (1548269558) is active in the NPPES registry as of the last update on 2008-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.