STEVEN ASTAFIEV MD
NPI 1649809807
Internal Medicine - Pulmonary Disease in New York, NY
About Steven Astafiev Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN ASTAFIEV MD (NPI 1649809807) is an individual pulmonary disease provider in New York, New York, licensed in New York (322673) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Steven Astafiev Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Steven Astafiev reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 80 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.
Physician 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.
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
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 Steven Astafiev's NPI number?
The NPI number for Steven Astafiev is 1649809807. It was assigned to this individual provider in the NPPES registry on April 8, 2020.
Where is Steven Astafiev located?
Steven Astafiev practices at 425 E 61st St, New York, NY 10065. The listed phone number is (646) 962-2333.
What is Steven Astafiev's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Steven Astafiev enrolled in Medicare?
Yes. Steven Astafiev is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Steven Astafiev's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Astafiev reassigns Medicare benefits to Weill Medical College Of Cornell (New York, 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 Steven Astafiev's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Steven Astafiev was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Steven Astafiev, MD · NPI 1649809807
Pulmonary Disease physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 8, 2020.
## Identity
- **NPI:** 1649809807 (Entity type: Individual)
- **Enumerated:** April 8, 2020
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 322673 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 425 E 61ST ST, New York, NY 10065-8722
- **Phone:** (646) 962-2333
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Weill Medical College Of Cornell (NPI 1285742122, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649809807) · Data from the CMS NPPES public registry.