Active NPI
Mark Steven Weiss, MD
- Anesthesiology Physician
- Philadelphia, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- MD441213
- Practice address
- 3401 N Broad St
Philadelphia, PA 19140-5103 - Phone
- (215) 707-3326
- NPI assigned
- May 27, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 19090 | SC | |
| Anesthesiology Physician | 207L00000X | MD441213 | PA | Primary |
Addresses
Primary practice location
3401 N Broad St
Philadelphia, PA 19140-5103
Mailing address
3500 N Broad St RM 1a
Philadelphia, PA 19140-4106
Phone (215) 707-2433
Other practice location 1
3400 Spruce Street
Philadelphia, PA 19104-4206
Phone (215) 349-8310
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| T31043 | Medicaid | SC |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- University of Cincinnati College of Medicine, 1985
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3401 N Broad St
Philadelphia, PA 19140-5103
Phone (215) 707-3008
Hospital & facility affiliations
- Temple University Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 19090 | SC | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Temple Faculty Practice Plan Inc | Anesthesiology | Current | Accepting new patients |
| University of Penn-Medical Group | Current | Accepting new patients | |
| University of Penn-Medical Group | Current | Accepting new patients | |
| Associates in Anesthesia, Inc. | Anesthesiology | Current | Accepting new patients |
| Temple Faculty Practice Plan Inc | Current | Accepting new patients | |
| University of Penn - Medical Group | Current | Accepting new patients | |
| Anesthesia Associates of Charleston, P.a. | Anesthesiology | Past | Accepting new patients |
| Associates in Anesthesia | Anesthesiology | Past | Accepting new patients |
Locations
1212 Baltimore Pike
Ste 200
Chadds Ford, PA 19317
Phone (610) 874-4147
30 Medical Center Blvd
Ste 305
Chester, PA 19013
Phone (610) 619-7411
3500 N Broad St
Rm 1A
Philadelphia, PA 19140
Phone (215) 707-2433
3400 Spruce St
Fl 4
Philadelphia, PA 19104
Phone (215) 662-2050
1331 E Wyoming Ave
Philadelphia, PA 19124
Phone (215) 537-7400
3401 N Broad St
Philadelphia, PA 19140
Phone (215) 707-3807
3624 Market St
Fl 2
Philadelphia, PA 19104
Phone (215) 615-3669
Interoperability endpoints
- https://fhir-myrecord.cerner.com/r4/0d26bd04-9128-4f58-8e6d-ffda5cd00f89/
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Anesthesiology Physician
- Philadelphia, PA
- NPI 1881176949
-
- Anesthesiology Physician
- Chadds Ford, PA
- NPI 1942281191
-
- Gynecologic Oncology Physician
- Philadelphia, PA
- NPI 1235527342
-
- Allergy & Immunology Physician
- Philadelphia, PA
- NPI 1659488351
-
- Surgical Oncology Physician
- Philadelphia, PA
- NPI 1871981985
-
- Urology Physician
- Voorhees, NJ
- NPI 1407638794
-
- Anesthesiology Physician
- Chadds Ford, PA
- NPI 1336470467
-
- Anesthesiology Physician
- Charleston, SC
- NPI 1396776670
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1275157455
-
- Ambulatory Surgical Clinic/Center
- Philadelphia, PA
- NPI 1275682148
Hospital
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1356981443
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1871368654
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1932813789
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1962579029
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148688000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753315200000",
"number": "1508813445",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3500 N BROAD ST RM 1A",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191404106",
"telephone_number": "215-707-2433"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3401 N BROAD ST",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191405103",
"telephone_number": "215-707-3326"
}
],
"practiceLocations": [
{
"address_1": "3400 Spruce Street",
"address_purpose": "LOCATION",
"city": "Philadelphia",
"state": "PA",
"postal_code": "191044206",
"country_code": "US",
"telephone_number": "215-349-8310",
"fax_number": "843-805-4040",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WEISS",
"first_name": "MARK",
"middle_name": "STEVEN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-27",
"last_updated": "2025-07-24",
"certification_date": "2025-07-24",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "SC",
"license": "19090",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "PA",
"license": "MD441213",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "T31043",
"state": "SC"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Philadelphia, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.