Active NPI
Michael Henry Danielewicz, MD
- Family Medicine Physician
- Philadelphia, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- MD477009
- Practice address
- 33 S 9TH St # 301
Philadelphia, PA 19107-4414 - Phone
- (215) 955-7190
- Fax
- (215) 955-8600
- NPI assigned
- May 7, 2018
- Last updated
- Sep 11, 2025
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | MD477009 | PA | Primary |
Addresses
Primary practice location
33 S 9TH St # 301
Philadelphia, PA 19107-4414
Mailing address
1015 Walnut St Ste 401
Philadelphia, PA 19107-5005
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
- Family Practice
- Education
- Warren Alpert Medical School of Brown University, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
111 S 11TH St
Philadelphia, PA 19107-4824
834 Walnut St
Suite 110
Philadelphia, PA 19107-5109
Phone (215) 503-4779
925 Chestnut St
Suite 3
Philadelphia, PA 19107-4216
Phone (215) 955-8874
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD477009 | PA | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Jefferson University Physicians | Family Medicine | Current | Accepting new patients |
| Vitas Healthcare Corporation Atlantic | Family Medicine | Past | Accepting new patients |
Locations
1101 Market St
Fl 19
Philadelphia, PA 19107
Phone (215) 481-6836
833 Chestnut St
Ste 301
Philadelphia, PA 19107
Phone (215) 955-2363
925 Chestnut St
Fl 6
Philadelphia, PA 19107
Phone (215) 955-6760
Networks
- devoted network organization-8ee96498-f86e-45f6-9fc9-a0f06c1636f9
- devoted network organization-2d523d8e-e8f9-454a-bcd3-333df65bdbe8
- devoted network organization-9f3dfbd3-4aa6-4c92-8e71-9c4ed35ce037
Ownership & related parties
All facility ownership & control disclosures 1
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| The Hill at Whitemarsh | Skilled nursing facility | Corporate Director | Jul 1, 2024 |
Owned or controlled facilities with NPI records 1
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
-
dba The Hill at Whitemarsh
- Skilled Nursing Facility
- Lafayette Hill, PA
- NPI 1033138995
Corporate Director
Organizations & group practices 2
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.
-
- General Practice Physician
- Philadelphia, PA
- NPI 1326093675
Family Medicine
-
- Community Based Hospice Care Agency
- Blue Bell, PA
- NPI 1992848543
Family Medicine
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1366653818
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1215916002
-
- Community Based Hospice Care Agency
- Blue Bell, PA
- NPI 1992848543
-
- General Acute Care Hospital
- Stratford, NJ
- NPI 1386746592
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1525651200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1013406826",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1015 WALNUT ST STE 401",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191075005"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "33 S 9TH ST # 301",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191074414",
"telephone_number": "215-955-7190",
"fax_number": "215-955-8600"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DANIELEWICZ",
"first_name": "MICHAEL",
"middle_name": "HENRY",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-05-07",
"last_updated": "2025-09-11",
"certification_date": "2023-06-14",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "PA",
"license": "MD477009",
"primary": true
}
],
"identifiers": [],
"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 Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; 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.