SHELDON MARKOWITZ MD
NPI 1548368608
Internal Medicine - Endocrinology, Diabetes & Metabolism in Far Rockaway, NY
About Sheldon Markowitz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHELDON MARKOWITZ MD (NPI 1548368608) is an individual endocrinology, diabetes & metabolism provider in Far Rockaway, New York, licensed in New York (137797-2) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with St John's Episcopal Hospital At South Shore, and is a graduate of University Of Pittsburgh School Of Medicine (1975).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Sheldon Markowitz Md 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 Reassignment
Medicare enrollment records show Sheldon Markowitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Far Rockaway, NY 11691
- Reassigned Medicare billing, New York enrollment
- 149 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St John's Episcopal Hospital At South Shore
Acute Care Hospitals · Far Rockaway, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11691 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
FAR ROCKAWAY, NY 11691
FAR ROCKAWAY, NY 11691
FAR ROCKAWAY, NY 11691
FAR ROCKAWAY, NY 11691
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 Sheldon Markowitz's NPI number?
The NPI number for Sheldon Markowitz is 1548368608. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Sheldon Markowitz located?
Sheldon Markowitz practices at 327 Beach 19th St, Far Rockaway, NY 11691. The listed phone number is (718) 869-7674.
What is Sheldon Markowitz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Sheldon Markowitz enrolled in Medicare?
Yes. Sheldon Markowitz 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 organization bills Medicare for Sheldon Markowitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sheldon Markowitz reassigns Medicare benefits to St John's Medical Services PC (Far Rockaway, NY). The 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 Sheldon Markowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sheldon Markowitz affiliated with any hospitals?
According to CMS data, Sheldon Markowitz is affiliated with St John's Episcopal Hospital At South Shore.
When was this NPI record last updated?
The NPPES record for Sheldon Markowitz was last updated on October 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Sheldon Markowitz, MD · NPI 1548368608
Endocrinology, Diabetes & Metabolism physician in Far Rockaway, New York. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1548368608 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 137797-2 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 327 BEACH 19TH ST, Far Rockaway, NY 11691-4423
- **Phone:** (718) 869-7674
## 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:** St John's Medical Services PC (NPI 1023042173, Far Rockaway, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 1975
## Record status
- **NPPES last updated:** October 19, 2007
- **Other identifiers:** Medicare PIN 0026TQ (NY); Medicare UPIN E36467 (NY); Medicare PIN 6514AB (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1548368608) · Data from the CMS NPPES public registry.