JAMES A UNDERBERG MD PLLC
NPI 1700429784
Clinic/Center - Primary Care in New York, NY
About James A Underberg Md Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES A UNDERBERG MD PLLC (NPI 1700429784) is a healthcare organization registered as a primary care in New York, New York and active in the NPI registry since October 2019. The organization lists James A Underberg, Proprietor/owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James A Underberg Md Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to James A Underberg MD PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 James A Underberg MD PLLC's NPI number?
The NPI number for James A Underberg MD PLLC is 1700429784. It was assigned to this organization in the NPPES registry on October 23, 2019.
Where is James A Underberg MD PLLC located?
James A Underberg MD PLLC is located at 110 E 55th St Fl 9, New York, NY 10022. The listed phone number is (212) 207-1959.
What is James A Underberg MD PLLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is James A Underberg MD PLLC enrolled in Medicare?
Yes. James A Underberg MD PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through James A Underberg MD PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to James A Underberg MD PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for James A Underberg MD PLLC was last updated on December 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# James A Underberg Md Pllc · NPI 1700429784
Primary Care organization in New York, New York. Organization record, active in the CMS NPPES registry since October 23, 2019.
## Identity
- **NPI:** 1700429784 (Entity type: Organization)
- **Enumerated:** October 23, 2019
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** James Underberg, PROPRIETOR/OWNER
## Practice location
- **Address:** 110 E 55TH ST FL 9, New York, NY 10022-4540
- **Phone:** (212) 207-1959 · **Fax:** (855) 860-3844
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 11, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1700429784) · Data from the CMS NPPES public registry.