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AMMAR HUMAYUN MD
NPI 1750819272
Surgery in Worcester, MA

Active since May 29, 2017PECOS Enrolled
21 EASTERN AVE STE 3, WORCESTER, MA 01605(508) 556-0223 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 3, 2025, May 29, 2017 (2 updates tracked since 2017).

About Ammar Humayun Md NPPES

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

AMMAR HUMAYUN MD (NPI 1750819272) is an individual surgery provider in Worcester, Massachusetts, licensed in Pennsylvania (MT213557) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Health - Harrington Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1750819272
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameAMMAR HUMAYUNCredential: MD
Location Address21 EASTERN AVE STE 3Worcester, MA 01605-3094
Mailing Address21 Eastern Ave Ste 3Worcester, MA 01605-3094 · (508) 556-0223
Phone(508) 556-0223
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 29, 2017
Last NPPES UpdateDecember 3, 20252 updates tracked since enumeration
NPPES CertifiedDecember 3, 2025
✔ NPI 1750819272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in PA · MT213557
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X · License 1023524 (MA)
21 EASTERN AVE STE 3, Worcester, MA 01605
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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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ammar Humayun Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4688185887
PECOS Enrollment IDI20250616001118
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220019
Location100 South StreetSouthbridge, MA 01550 · Worcester County
Emergency services

St Vincent Hospital

Acute Care Hospitals · Worcester, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220176
Location123 Summer StreetWorcester, MA 01608 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LORRAINE CHERYL LORETZ
Nurse Practitioner (Family)
21 EASTERN AVE STE 3
WORCESTER, MA 01605
Worcester County (508) 556-0223
EDWARD AROUS M.D.
Surgery (Vascular Surgery)
21 EASTERN AVE STE 3
WORCESTER, MA 01605
Worcester County (508) 556-0223

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 Ammar Humayun's NPI number?

The NPI number for Ammar Humayun is 1750819272. It was assigned to this individual provider in the NPPES registry on May 29, 2017.

Where is Ammar Humayun located?

Ammar Humayun practices at 21 Eastern Ave Ste 3, Worcester, MA 01605. The listed phone number is (508) 556-0223.

What is Ammar Humayun's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Ammar Humayun enrolled in Medicare?

Yes. Ammar Humayun is registered in the Medicare PECOS enrollment system.

What insurance does Ammar Humayun accept?

Health plans from Anthem Blue Cross and Blue Shield list Ammar Humayun 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 Ammar Humayun affiliated with any hospitals?

According to CMS data, Ammar Humayun is affiliated with Umass Memorial Health - Harrington Hospital and St Vincent Hospital.

When was this NPI record last updated?

The NPPES record for Ammar Humayun was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.