Joseph Markenson, M.D.
NPI 1164485637 · Specialist · New York, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Markenson, M.D. is a Specialist provider in New York, NY (NPI 1164485637).
Provider details
- NPI number
- 1164485637
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 114784 (NY)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-04-07
- Last updated
- 2021-03-31
- Certified
- 2021-03-31
Frequently asked questions
- What is Joseph Markenson's NPI number?
- Joseph Markenson's National Provider Identifier (NPI) is 1164485637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Markenson's specialty?
- Joseph Markenson is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Joseph Markenson located?
- Joseph Markenson's practice location on file with NPPES is 535 E 70th St, New York, NY 10021-4872.
- What is Joseph Markenson's phone number?
- The practice phone number listed in the NPPES registry for Joseph Markenson is (212) 606-1261.
- Does Joseph Markenson accept Medicare?
- Joseph Markenson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Markenson's NPI active?
- Yes — Joseph Markenson's NPI (1164485637) is active in the NPPES registry as of the last update on 2021-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.