Active NPI
William-Zakee Howard McGill, MD
- Psychiatry Physician
- View Park, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- C50198
- Practice address
- 4954 Escalon Ave
View Park, CA 90043-1647 - Phone
- (415) 269-1246
- NPI assigned
- May 5, 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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | D0030453 | MD | |
| Psychiatry Physician | 2084P0800X | C50198 | CA | Primary |
Addresses
Primary practice location
4954 Escalon Ave
View Park, CA 90043-1647
Mailing address
419 Winston Ave
Baltimore, MD 21212-4427
Phone (415) 269-1246
Other practice location 1
515 Fairmount Ave Ste 200
Towson, MD 21286-8503
Phone (410) 216-1594
Other names 1
- William Howard McGill
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, MD, DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- Meharry Medical College School of Medicine, 1981
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
7671 Quarterfield Rd
Suite 301
Glen Burnie, MD 21061-4525
Phone (410) 457-3041
9005 Chevrolet Dr
Suite D
Ellicott City, MD 21042-4035
Phone (202) 288-2834
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 50198 | CA | MD | Pharmacist |
| C50198 | CA | MD | Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Marissa Block LLC | Current | Accepting new patients | |
| Healthright 360 | Current | Accepting new patients | |
| Healthright 360 | Current | Accepting new patients | |
| Columbia Associates in Psychiatry PC | Psychiatry | Current | Accepting new patients |
| Healthright 360 | Current | Accepting new patients | |
| Healthright 360 | Past | Accepting new patients | |
| Healthright 360 | Past | Accepting new patients |
Locations
330 Ellis St
Ste 418
San Francisco, CA 94102
Phone (415) 674-6140
10400 Little Patuxent Pkwy
Columbia, MD 21044
Phone (321) 422-7157
7671 Quarterfield Rd
Ste 301
Glen Burnie, MD 21061
Phone (410) 457-3041
200 E Joppa Rd
Ste 400
Towson, MD 21286
Phone (443) 300-6905
515 Fairmount Ave
Ste 200
Towson, MD 21286
Phone (410) 216-1594
2501 N Glebe Rd
Ste 303
Arlington, VA 22207
Phone (703) 485-9519
2960 Sleepy Hollow Rd
Falls Church, VA 22044
Phone (703) 304-7764
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.
-
- Psychiatry Physician
- Ellicott City, MD
- NPI 1437822319
-
- Federally Qualified Health Center (FQHC)
- San Francisco, CA
- NPI 1760427843
-
- Professional Counselor
- Towson, MD
- NPI 1407453939
-
- Community/Behavioral Health Agency
- San Francisco, CA
- NPI 1467988691
-
- Community Health Clinic/Center
- San Mateo, CA
- NPI 1558756536
-
- Federally Qualified Health Center (FQHC)
- San Francisco, CA
- NPI 1447279310
-
- Federally Qualified Health Center (FQHC)
- San Francisco, CA
- NPI 1730363151
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146787200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766016000000",
"number": "1285682682",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "419 WINSTON AVE",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212124427",
"telephone_number": "415-269-1246"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4954 ESCALON AVE",
"city": "VIEW PARK",
"state": "CA",
"postal_code": "900431647",
"telephone_number": "415-269-1246"
}
],
"practiceLocations": [
{
"address_1": "515 Fairmount Ave Ste 200",
"address_purpose": "LOCATION",
"city": "Towson",
"state": "MD",
"postal_code": "212868503",
"country_code": "US",
"telephone_number": "410-216-1594",
"fax_number": "410-216-1264",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MCGILL",
"first_name": "WILLIAM-ZAKEE",
"middle_name": "HOWARD",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-05",
"last_updated": "2025-12-18",
"certification_date": "2025-12-18",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "MD",
"license": "D0030453",
"primary": false
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "C50198",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "WILLIAM",
"last_name": "MCGILL",
"middle_name": "HOWARD",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in View Park, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 18, 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.