DR. CONSTANTIN FRIEDMAN MD PHD
NPI 1609191055
Pathology - Anatomic Pathology & Clinical Pathology in New York, NY
About Dr. Constantin Friedman Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CONSTANTIN FRIEDMAN MD PHD (NPI 1609191055) is an individual anatomic pathology & clinical pathology provider in New York, New York, licensed in New York (269593) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Icahn School Of Medicine At Mount Sinai (2010).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Constantin Friedman Md Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Constantin Friedman reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Far Rockaway, NY 11691
- Reassigned Medicare billing, New York enrollment
- 125 clinicians in this Medicare group
Stony Brook, NY 11790
- Reassigned Medicare billing, New York enrollment
- 6 clinicians in this Medicare group
Middletown, NY 10940
- Reassigned Medicare billing, New York enrollment
- 281 clinicians in this Medicare group
Hollywood, FL 33021
- Reassigned Medicare billing, Florida enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 13
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore University Hospital
Acute Care Hospitals · Manhasset, NYLenox Hill Hospital
Acute Care Hospitals · New York, NYNorthwell Hospital Glen Cove
Acute Care Hospitals · Glen Cove, NYLong Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYPlainview Hospital
Acute Care Hospitals · Plainview, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10065
NEW YORK, NY 10065
NEW YORK, NY 10065
NEW YORK, NY 10065
NEW YORK, NY 10065
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Constantin Friedman's NPI number?
The NPI number for Constantin Friedman is 1609191055. It was assigned to this individual provider in the NPPES registry on March 29, 2010.
Where is Constantin Friedman located?
Constantin Friedman practices at 1300 York Ave, New York, NY 10065. The listed phone number is (212) 746-2700.
What is Constantin Friedman's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Constantin Friedman enrolled in Medicare?
Yes. Constantin Friedman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Constantin Friedman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Constantin Friedman reassigns Medicare benefits to 5 organizations: North Shore - Lij Medical PC (New Hyde Park, NY), Vantage Medical Associates PC (Far Rockaway, NY), A Kim Medical PC (Stony Brook, NY), Middletown Medical PC (Middletown, NY) and Mark Lamet MD PA (Hollywood, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Constantin Friedman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Constantin Friedman accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Constantin Friedman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Constantin Friedman affiliated with any hospitals?
According to CMS data, Constantin Friedman is affiliated with North Shore University Hospital, Lenox Hill Hospital, Northwell Hospital Glen Cove, Long Island Jewish Medical Center and Plainview Hospital.
When was this NPI record last updated?
The NPPES record for Constantin Friedman was last updated on September 12, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Constantin Friedman, MD PHD · NPI 1609191055
Anatomic Pathology & Clinical Pathology physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 29, 2010.
## Identity
- **NPI:** 1609191055 (Entity type: Individual)
- **Enumerated:** March 29, 2010
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** 269593 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1300 YORK AVE, New York, NY 10065-4805
- **Phone:** (212) 746-2700
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY); Vantage Medical Associates PC (NPI 1538642996, Far Rockaway, NY); A Kim Medical PC (NPI 1467622266, Stony Brook, NY); Middletown Medical PC (NPI 1902855828, Middletown, NY); Mark Lamet MD PA (NPI 1013004605, Hollywood, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2010
## Record status
- **NPPES last updated:** September 12, 2017
- **Other identifiers:** Other 1786607 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1609191055) · Data from the CMS NPPES public registry.