DR. SAIRA ZAFAR MD
NPI 1871029199
Allergy & Immunology in Millburn, NJ
About Dr. Saira Zafar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAIRA ZAFAR MD (NPI 1871029199) is an individual allergy & immunology provider in Millburn, New Jersey, licensed in New Jersey (25MA10960300) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chesterfield, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Saira Zafar 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
11Medicare enrollment records show Saira Zafar reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Belleville, NJ 07109
- Reassigned Medicare billing, New Jersey enrollment
- 4 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
New York, NY 10022
- Reassigned Medicare billing, New York enrollment
- 187 clinicians in this Medicare group
Englewood, NJ 07631
- Reassigned Medicare billing, New Jersey enrollment
- 849 clinicians in this Medicare group
New Hyde Park, NY 11042
- Reassigned Medicare billing, New Jersey enrollment
- 417 clinicians in this Medicare group
Norwalk, CT 06851
- Reassigned Medicare billing, Connecticut enrollment
- 29 clinicians in this Medicare group
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 42 clinicians in this Medicare group
Elmer, NJ 08318
- Reassigned Medicare billing, New Jersey enrollment
- 141 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 16 clinicians in this Medicare group
Leesburg, FL 34748
- Reassigned Medicare billing, Florida enrollment
- 39 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 2
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILLBURN, NJ 07041
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 Saira Zafar's NPI number?
The NPI number for Saira Zafar is 1871029199. It was assigned to this individual provider in the NPPES registry on May 5, 2017.
Where is Saira Zafar located?
Saira Zafar practices at 12 E Willow St, Millburn, NJ 07041. The listed phone number is (973) 376-8500.
What is Saira Zafar's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Saira Zafar enrolled in Medicare?
Yes. Saira Zafar 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 Saira Zafar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Saira Zafar reassigns Medicare benefits to 11 organizations: Hudson-Essex Allergy LLC (Belleville, NJ), Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ), Schweiger Dermatology PLLC (New York, NY), Medical Associates Of Englewood, PC (Englewood, NJ), Optum Medical Care Of New Jersey PC (New Hyde Park, NY) and 6 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 Saira Zafar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Saira Zafar accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, Anthem Blue Cross and Blue Shield and Florida Blue (BlueCross BlueShield FL) and 4 other insurers list Saira Zafar 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 Saira Zafar was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Saira Zafar, MD · NPI 1871029199
Allergy & Immunology physician in Millburn, New Jersey. Individual provider, active in the CMS NPPES registry since May 5, 2017.
## Identity
- **NPI:** 1871029199 (Entity type: Individual)
- **Enumerated:** May 5, 2017
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** 25MA10960300 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 12 E WILLOW ST, Millburn, NJ 07041-1417
- **Phone:** (973) 376-8500 · **Fax:** (973) 376-6295
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Hudson-Essex Allergy LLC (NPI 1770970428, Belleville, NJ); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ); Schweiger Dermatology PLLC (NPI 1831438662, New York, NY); Medical Associates Of Englewood, PC (NPI 1952681918, Englewood, NJ); Optum Medical Care Of New Jersey PC (NPI 1578665048, New Hyde Park, NY); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** February 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1871029199) · Data from the CMS NPPES public registry.