RACHEL POPOW MD
NPI 1548840457
Internal Medicine in New York, NY
About Rachel Popow Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RACHEL POPOW MD (NPI 1548840457) is an individual internal medicine provider in New York, New York, licensed in New York (327445) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Lenox Hill Hospital, and is a graduate of Other (2021).
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 and accepts Medicare assignment
Rachel Popow 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 Reassignments
7Medicare enrollment records show Rachel Popow reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10016
- Reassigned Medicare billing, New York enrollment
- 63 clinicians in this Medicare group
Newark, NJ 07104
- Reassigned Medicare billing, New Jersey enrollment
- 47 clinicians in this Medicare group
Newark, NJ 07107
- Reassigned Medicare billing, New Jersey enrollment
- 53 clinicians in this Medicare group
East Orange, NJ 07017
- Reassigned Medicare billing, New Jersey enrollment
- 46 clinicians in this Medicare group
East Orange, NJ 07017
- Reassigned Medicare billing, New Jersey enrollment
- 81 clinicians in this Medicare group
East Orange, NJ 07017
- Reassigned Medicare billing, New Jersey enrollment
- 50 clinicians in this Medicare group
Orange, NJ 07050
- Reassigned Medicare billing, New Jersey enrollment
- 35 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lenox Hill Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10016 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10016
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 Rachel Popow's NPI number?
The NPI number for Rachel Popow is 1548840457. It was assigned to this individual provider in the NPPES registry on April 13, 2021.
Where is Rachel Popow located?
Rachel Popow practices at 38 E 32nd St Fl 9, New York, NY 10016. The listed phone number is (212) 725-2660.
What is Rachel Popow's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Rachel Popow enrolled in Medicare?
Yes. Rachel Popow 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 Rachel Popow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Popow reassigns Medicare benefits to 7 organizations: Marcus Avenue Medical PC (New York, NY), North Ward Medical Arts LLC (Newark, NJ), Roseville Medical Society LLC (Newark, NJ), Metropolitan Medical Group LLC (East Orange, NJ), Salerno Medical Associates, LLC (East Orange, NJ) and 2 more organizations, listed in the Medicare section above. 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 Rachel Popow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rachel Popow affiliated with any hospitals?
According to CMS data, Rachel Popow is affiliated with Lenox Hill Hospital.
When was this NPI record last updated?
The NPPES record for Rachel Popow was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Rachel Popow, MD · NPI 1548840457
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 13, 2021.
## Identity
- **NPI:** 1548840457 (Entity type: Individual)
- **Enumerated:** April 13, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 327445 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 38 E 32ND ST FL 9, New York, NY 10016-5563
- **Phone:** (212) 725-2660
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Marcus Avenue Medical PC (NPI 1255982542, New York, NY); North Ward Medical Arts LLC (NPI 1538790563, Newark, NJ); Roseville Medical Society LLC (NPI 1275168320, Newark, NJ); Metropolitan Medical Group LLC (NPI 1700442415, East Orange, NJ); Salerno Medical Associates, LLC (NPI 1184766107, East Orange, NJ); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** November 11, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1548840457) · Data from the CMS NPPES public registry.