SHAMIM AHMED MD
NPI 1205412269
Hospitalist in New Haven, CT
About Shamim Ahmed Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAMIM AHMED MD (NPI 1205412269) is an individual hospitalist provider in New Haven, Connecticut, licensed in Connecticut (82146) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with St Peter's Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Accepted Insurance
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
Shamim Ahmed 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
5Medicare enrollment records show Shamim Ahmed reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Haven, CT 06510
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Northeast Medical Group Inc
- 1,824 clinicians in this Medicare group
Rensselaer, NY 12144
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: St Peters Hospital Of The City Of Albany
- 623 clinicians in this Medicare group
Troy, NY 12180
- Reassigned Medicare billing, New York enrollment
- 725 clinicians in this Medicare group
Binghamton, NY 13905
- Reassigned Medicare billing, New York enrollment
- 528 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Peter's Hospital
Acute Care Hospitals · Albany, NYSamaritan Hospital Of Troy, New York
Acute Care Hospitals · Troy, NYUnited Health Services Hospitals, Inc
Acute Care Hospitals · Binghamton, NYSouthwestern Vermont Medical Center
Acute Care Hospitals · Bennington, VTHarborview Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06510 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 HAVEN, CT 06510
NEW HAVEN, CT 06510
NEW HAVEN, CT 06510
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 Shamim Ahmed's NPI number?
The NPI number for Shamim Ahmed is 1205412269. It was assigned to this individual provider in the NPPES registry on March 21, 2021.
Where is Shamim Ahmed located?
Shamim Ahmed practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.
What is Shamim Ahmed's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Shamim Ahmed enrolled in Medicare?
Yes. Shamim Ahmed 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 Shamim Ahmed's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shamim Ahmed reassigns Medicare benefits to 5 organizations: Mill Hill Medical Consultants Inc (New Haven, CT), St. Peter's Hospital Of The City Of Albany (Rensselaer, NY), Samaritan Hospital Of Troy, New York (Troy, NY), United Medical Associates PC (Binghamton, NY) and The Association Of University Physicians (Seattle, WA). 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 Shamim Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shamim Ahmed accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Shamim Ahmed as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Shamim Ahmed affiliated with any hospitals?
According to CMS data, Shamim Ahmed is affiliated with St Peter's Hospital, Samaritan Hospital Of Troy, New York, United Health Services Hospitals, Inc, Southwestern Vermont Medical Center and Harborview Medical Center.
When was this NPI record last updated?
The NPPES record for Shamim Ahmed was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days 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.
# Shamim Ahmed, MD · NPI 1205412269
Hospitalist physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since March 21, 2021.
## Identity
- **NPI:** 1205412269 (Entity type: Individual)
- **Enumerated:** March 21, 2021
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 82146 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 YORK ST, New Haven, CT 06510-3220
- **Phone:** (203) 688-4242
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Mill Hill Medical Consultants Inc (NPI 1952624769, New Haven, CT); St. Peter's Hospital Of The City Of Albany (NPI 1487725750, Rensselaer, NY); Samaritan Hospital Of Troy, New York (NPI 1043267727, Troy, NY); United Medical Associates PC (NPI 1013972801, Binghamton, NY); The Association Of University Physicians (NPI 1023041159, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1205412269) · Data from the CMS NPPES public registry.