HAYTHAM S. MOHAMED MD
NPI 1700868627
Anesthesiology in Worcester, MA
About Haytham S. Mohamed Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAYTHAM S. MOHAMED MD (NPI 1700868627) is an individual anesthesiology provider in Worcester, Massachusetts, licensed in Massachusetts (224372) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Haytham S. Mohamed Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
9Medicare enrollment records show Haytham Mohamed reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Shrewsbury, MA 01545
- Reassigned Medicare billing, Massachusetts enrollment
- 10 clinicians in this Medicare group
Westwood, MA 02090
- Reassigned Medicare billing, Massachusetts enrollment
- 76 clinicians in this Medicare group
Lowell, MA 01851
- Reassigned Medicare billing, Massachusetts enrollment
- 60 clinicians in this Medicare group
Warwick, RI 02886
- Reassigned Medicare billing, Massachusetts enrollment
- 80 clinicians in this Medicare group
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 38 clinicians in this Medicare group
Springfield, MA 01107
- Reassigned Medicare billing, Massachusetts enrollment
- 56 clinicians in this Medicare group
Fall River, MA 02720
- Reassigned Medicare billing, Massachusetts enrollment
- 192 clinicians in this Medicare group
Dartmouth, MA 02747
- Reassigned Medicare billing, Massachusetts enrollment
- 79 clinicians in this Medicare group
Fairhaven, MA 02719
- Reassigned Medicare billing, Massachusetts enrollment
- 1,144 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 4
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.
Reported Quality Measures
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.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Haytham Mohamed's NPI number?
The NPI number for Haytham Mohamed is 1700868627. It was assigned to this individual provider in the NPPES registry on November 16, 2005.
Where is Haytham Mohamed located?
Haytham Mohamed practices at 55 Lake Ave N Department Of Anesthesiology, Worcester, MA 01655. The listed phone number is (508) 334-3271.
What is Haytham Mohamed's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Haytham Mohamed enrolled in Medicare?
Yes. Haytham Mohamed is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Haytham Mohamed's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Haytham Mohamed reassigns Medicare benefits to 9 organizations: Medical Circle Of America PLLC (Shrewsbury, MA), Uhs Of Westwood Pembroke Inc (Westwood, MA), Lowell Anesthesia Associates PLLC (Lowell, MA), Narragansett Bay Anesthesia, LLC (Warwick, RI), Amsurg Mdsine Anesthesia LLC (Springfield, MA) and 4 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 Haytham Mohamed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Haytham Mohamed was last updated on January 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Haytham S. Mohamed, MD · NPI 1700868627
Anesthesiology physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since November 16, 2005.
## Identity
- **NPI:** 1700868627 (Entity type: Individual)
- **Enumerated:** November 16, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 224372 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY, Worcester, MA 01655-0002
- **Phone:** (508) 334-3271 · **Fax:** (508) 856-5911
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Medical Circle Of America PLLC (NPI 1871036020, Shrewsbury, MA); Uhs Of Westwood Pembroke Inc (NPI 1760453328, Westwood, MA); Lowell Anesthesia Associates PLLC (NPI 1063938934, Lowell, MA); Narragansett Bay Anesthesia, LLC (NPI 1861445728, Warwick, RI); Amsurg Mdsine Anesthesia LLC (NPI 1932521366, Springfield, MA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** January 6, 2014
- **Other identifiers:** Medicare UPIN I35362 (MA); Medicaid 2105322 (MA); Medicare PIN HX4213 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1700868627) · Data from the CMS NPPES public registry.