DR. BASSEL H MAHMOUD (M.D., PH.D.) – Dermatology Physician, NPI 1801023841

DR. BASSEL H MAHMOUD (M.D., PH.D.) is a healthcare provider. based in Worcester, Massachusetts. specializing in DERMATOLOGY. They hold the professional credentials M.D., PH.D.. They hold a License No. 257776 (MA). The NPI Number for DR. BASSEL H MAHMOUD (M.D., PH.D.) is 1801023841

Main info

Male
30 Years Of Experience
Accepts Medicare Assignment
Name
DR. BASSEL H MAHMOUD (M.D., PH.D.)
NPI
1801023841
Phone
(508) 334-5979
Address
281 LINCOLN ST
Enumeration Date
17 June 2009
Last Update Date
17 November 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5083341000
Graduation Year
1996 (30 years ago)
PAC ID
6204123029
Group Practice PAC ID
4284539891
Professional Enrollment ID
I20160922000832
Address ID
MA016052138WO281XXSTXX300

Contacts

FHIR Endpoint
https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Secure Messaging
bmahmoudabdallah23198@UmassMemorial.direct-ci.com
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience61
Completeness85
Years active:16State licenses:1Other namesUpdated within 12 months

744 DERMATOLOGY in MA

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Provider Addresses for DR. BASSEL H MAHMOUD (M.D., PH.D.)

  • UMass Memorial Medical Center - Hahnemann Campus, 281, Lincoln Street, Washburn and Moen North Works Historic District, Brittan Square, Worcester, Worcester County, Massachusetts, 01605, United States

    WORCESTER, MA 016052138

    Phone: (508) 334-5979

    Fax: (508) 334-8466

    Type: Location

  • PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States

    BOSTON, MA 022415348

    Phone: (800) 225-8885

    Fax: (508) 334-1977

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $500.

Total Amount is formed as General ($500) + Research ($0) + Ownership ($0) = $500.

Last reported payment date: 2023-11-16 • Largest payer in this snapshot: Avita Medical Americas, LLC ($500).

Total Amount

$500

General + Research + Ownership

Payments

1

Total payment records

General Amount

$500

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-11-16

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2016-09-22

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20160922000832IDermatologyMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
17311Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks272238$0
17312Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks241152$0
13132Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm9592$0
12032Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm7472$0
12052Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm5150$0
View full utilization report →

Insurance plans in this area (ZIP 01605)

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Provider's Procedures

DR. BASSEL H MAHMOUD (M.D., PH.D.) performs procedures in DERMATOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
DERMATOLOGYMA17003Destruction of 2-14 skin growths4211

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4284539891View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)MA
-MA
-MA
Family PracticeMA
Physician AssistantMA
Pulmonary Disease, Critical Care (Intensivists), Allergy/ImmunologyMA
-MA
-MA
Internal MedicineMA
Nurse PractitionerMA

Reviews

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Frequently asked questions

Does DR. BASSEL H MAHMOUD (M.D., PH.D.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. BASSEL H MAHMOUD (M.D., PH.D.) uses 1801023841.
Does CMS list DR. BASSEL H MAHMOUD (M.D., PH.D.) as active?
Yes — DR. BASSEL H MAHMOUD (M.D., PH.D.) is active in the NPI listing used on this page.
What taxonomy line describes DR. BASSEL H MAHMOUD (M.D., PH.D.)?
For research purposes, treat DR. BASSEL H MAHMOUD (M.D., PH.D.) as Dermatology Physician in this dataset. Clinical services aligned with this taxonomy classification.
Where is DR. BASSEL H MAHMOUD (M.D., PH.D.) based?
DR. BASSEL H MAHMOUD (M.D., PH.D.) is tied to Worcester, Massachusetts in the data we show; additional addresses may exist on the full record.
Why does DR. BASSEL H MAHMOUD (M.D., PH.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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