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DR. SHAMSA N SHAFI M.D.
NPI 1023274842
Allergy & Immunology in West Hartford, CT

Active since July 31, 2008PECOS EnrolledAccepts Medicare Assignment
928 FARMINGTON AVE STE 4, WEST HARTFORD, CT 06107(860) 233-6293 Get Directions Write a Review

NPPES record last updated: February 14, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Feb 14, 2025, Jun 10, 2020, Jan 16, 2019 and 2 more (5 updates tracked since 2016).

About Dr. Shamsa N Shafi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SHAMSA N SHAFI M.D. (NPI 1023274842) is an individual allergy & immunology provider in West Hartford, Connecticut, licensed in Connecticut (46858) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Yale University School Of Medicine (2022).

NPPES Registry Identity

NPI1023274842
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDR. SHAMSA N SHAFICredential: M.D.
Location Address928 FARMINGTON AVE STE 4West Hartford, CT 06107-2223
Mailing Address20 York StNew Haven, CT 06510-3220 · (203) 688-4242
Phone(860) 233-6293
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 2022
Enumeration DateJuly 31, 2008
Last NPPES UpdateFebruary 14, 20255 updates tracked since enumeration
NPPES CertifiedFebruary 14, 2025
✔ NPI 1023274842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CT · 46858
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedPediatricsTaxonomy 208000000X · License 249600 (MA)
928 FARMINGTON AVE STE 4, West Hartford, CT 06107
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Secondary Practice Locations 2

Location 1140 High StreetSpringfield, MA 01105-1442 · Phone (413) 794-2515 · Fax (413) 794-5673
Location 220 York StNew Haven, CT 06510-3220 · Phone (203) 688-4242

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Dr. Shamsa N Shafi M.d. 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.

PECOS PAC ID7618162736
PECOS Enrollment IDI20101115000155
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Shamsa Shafi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Collins Medical Associates 2 PC
2.3 mi
Internal Medicine
95 WOODLAND ST FL 1
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 45 clinicians in this Medicare group
NPI 1912928169 (860) 714-7362

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 Shamsa Shafi's NPI number?

The NPI number for Shamsa Shafi is 1023274842. It was assigned to this individual provider in the NPPES registry on July 31, 2008.

Where is Shamsa Shafi located?

Shamsa Shafi practices at 928 Farmington Ave Ste 4, West Hartford, CT 06107. The listed phone number is (860) 233-6293.

What is Shamsa Shafi's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Shamsa Shafi enrolled in Medicare?

Yes. Shamsa Shafi 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 organization bills Medicare for Shamsa Shafi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shamsa Shafi reassigns Medicare benefits to Collins Medical Associates 2 PC (Hartford, CT). 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 Shamsa Shafi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shamsa Shafi accept?

Health plans from Anthem Blue Cross and Blue Shield list Shamsa Shafi 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.

When was this NPI record last updated?

The NPPES record for Shamsa Shafi was last updated on February 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.