Individual provider Active NPI

May Elgash, MD

  • Dermatology Physician
  • Philadelphia, PA
National Provider Identifier
1326602558
Registry record updated Sep 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
MD490120 Issued in PA
Practice address
833 Chestnut St Ste 740
Philadelphia, PA 19107-4409
Phone
(215) 955-6680
NPI assigned
Apr 23, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
MOHS-Micrographic Surgery Physician 207ND0101X MD490120 PA
Dermatology Physician 207N00000X MD490120 PA Primary

Addresses

Primary practice location

833 Chestnut St Ste 740
Philadelphia, PA 19107-4409

Mailing address

833 Chestnut St Ste 740
Philadelphia, PA 19107-4409

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT, PA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230821002869 CT Practitioner - Dermatology 4688908288 Reassigns benefits to 1 organization
I20250728003563 PA Practitioner - DermatologyPractitioner - Micrographic Dermatologic Surgery (MDS) 4688908288 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
DermatologyAlso: Micrographic Dermatologic Surgery (MDS)
Education
Temple University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dermatology Physicians IncGroup PAC ID 4082651765, 12 clinicians
Jefferson University PhysiciansGroup PAC ID 7911819180, 1,528 clinicians

Practice addresses (Care Compare)

203 N Lime St
Lancaster, PA 17602-2729
Phone (717) 392-6267

33 S 9TH St
740 Jefferson Dermatology Associates
Philadelphia, PA 19107-4408
Phone (215) 955-6680

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.36 of 100Reported as group
Quality
77.36
Promoting interoperability
100
Improvement activities
40
Cost
74.27

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision31
Removal of skin lesions1-10
Removal of skin cancer216
Removal or shaving of skin growth1-10
Skin biopsy1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Jefferson University Physicians Dermatology CurrentSince Sep 1, 2025 Accepting new patients
Yale University Dermatology Current Accepting new patients
Yale University CurrentSince Jul 18, 2023 Accepting new patients
Yale University CurrentSince Jul 18, 2023 Accepting new patients
Jefferson University Physicians Past Accepting new patients

Locations

40 Temple St
Ste 3A
New Haven, CT 06510
Phone (203) 785-2020

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

50 Division St
New Haven, CT 06511
Phone (203) 785-2140

3 Crescent Dr
Ste 100
Philadelphia, PA 19112
Phone (215) 503-3300

833 Chestnut St
Ste 740
Philadelphia, PA 19107
Phone (215) 955-4947

3 Crescent Dr
Fl 2
Philadelphia, PA 19112
Phone (215) 503-7096

925 Chestnut St
Fl 6
Philadelphia, PA 19107
Phone (215) 955-6760

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1555977600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1326602558",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "833 CHESTNUT ST STE 740",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191074409"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "833 CHESTNUT ST STE 740",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191074409",
            "telephone_number": "215-955-6680"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ELGASH",
        "first_name": "MAY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-23",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ND0101X",
            "taxonomy_group": "",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": "PA",
            "license": "MD490120",
            "primary": false
        },
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "PA",
            "license": "MD490120",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.