Active NPI
Zachary P Mueller, DO
- Hospitalist Physician
- Portland, ME
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- DO2636
- Practice address
- 22 Bramhall St
Portland, ME 04102-3134 - Phone
- (207) 662-4618
- Fax
- (207) 662-6254
- NPI assigned
- May 20, 2013
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | DO2636 | ME | |
| Hospitalist Physician | 208M00000X | DO2636 | ME | Primary |
Addresses
Primary practice location
22 Bramhall St
Portland, ME 04102-3134
Mailing address
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 662-4618
Other practice location 1
118 Northport Ave
Belfast, ME 04915-6009
Phone (207) 338-2500
Other practice location 2
6 Glen Cove Dr
Rockport, ME 04856-4272
Phone (207) 301-8542
Other practice location 3
300 Main St
Lewiston, ME 04240-7027
Phone (207) 795-7575
Other practice location 4
25 June St
Sanford, ME 04073-2621
Phone (207) 324-4310
Other practice location 5
1 Medical Center Dr
Biddeford, ME 04005-9422
Phone (207) 283-7937
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ME
- 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
- Internal Medicine
- Education
- University of New England, College of Osteo Medicine, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Mainehealth
Practice addresses (Care Compare)
10 Hospital Dr
Bridgton, ME 04009-1148
Phone (207) 647-6000
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905
300 Main St
Lewiston, ME 04240-7027
Phone (207) 795-0111
420 Franklin St
Rumford, ME 04276-2104
430 Franklin St
Rumford, ME 04276-2104
Phone (207) 369-1224
Hospital & facility affiliations
- Central Maine Medical Center
- Bridgton Hospital
- Mainehealth Maine Medical Center
- Bridgton Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 85.02 of 100
- Quality
- 59.99
- Promoting interoperability
- 99
- Improvement activities
- 40
- Cost
- 74.25
Merit-based Incentive Payment System (MIPS)
- Final score
- 75.94 of 100
- Quality
- 47.72
- Promoting interoperability
- 99
- Improvement activities
- 40
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.57 of 100
- Quality
- 66.56
- Promoting interoperability
- 99
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Rumford Community Family Health Center, Inc. | Current | Accepting new patients | |
| Rumford Community Family Health Center, Inc. | Current | Accepting new patients |
Locations
430 Franklin St
Rumford, ME 04276
Phone (207) 369-0146
420 Franklin St
Rumford, ME 04276
Phone (207) 364-4581
Organizations & group practices 7
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.
-
- Rural Health Clinic/Center
- Rumford, ME
- NPI 1578599775
-
- Critical Access Hospital
- Bridgton, ME
- NPI 1154370153
-
- General Acute Care Hospital
- Lewiston, ME
- NPI 1689653487
-
- Critical Access Hospital
- Rumford, ME
- NPI 1205991122
-
- Psychiatric Hospital
- Westbrook, ME
- NPI 1790265502
-
- Critical Access Hospital
- Belfast, ME
- NPI 1841397932
-
- Rural Health Clinic/Center
- Dixfield, ME
- NPI 1902841083
Hospital & facility affiliations 39
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Bridgton, ME
- NPI 1154370153
-
- General Acute Care Hospital
- Lewiston, ME
- NPI 1689653487
-
- General Acute Care Hospital
- Scarborough, ME
- NPI 1053647024
-
- General Acute Care Hospital
- Portland, ME
- NPI 1346267879
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1369008000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774828800000",
"number": "1801232608",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "22 BRAMHALL ST",
"city": "PORTLAND",
"state": "ME",
"postal_code": "041023134",
"telephone_number": "207-662-4618",
"fax_number": "207-662-6254"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "22 BRAMHALL ST",
"city": "PORTLAND",
"state": "ME",
"postal_code": "041023134",
"telephone_number": "207-662-4618",
"fax_number": "207-662-6254"
}
],
"practiceLocations": [
{
"address_1": "118 Northport Ave",
"address_purpose": "LOCATION",
"city": "Belfast",
"state": "ME",
"postal_code": "049156009",
"country_code": "US",
"telephone_number": "207-338-2500",
"fax_number": "207-505-4590",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6 Glen Cove Dr",
"address_purpose": "LOCATION",
"city": "Rockport",
"state": "ME",
"postal_code": "048564272",
"country_code": "US",
"telephone_number": "207-301-8542",
"fax_number": "207-301-5277",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "300 Main St",
"address_purpose": "LOCATION",
"city": "Lewiston",
"state": "ME",
"postal_code": "042407027",
"country_code": "US",
"telephone_number": "207-795-7575",
"fax_number": "207-795-7133",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "25 June St",
"address_purpose": "LOCATION",
"city": "Sanford",
"state": "ME",
"postal_code": "040732621",
"country_code": "US",
"telephone_number": "207-324-4310",
"fax_number": "207-490-7999",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Medical Center Dr",
"address_purpose": "LOCATION",
"city": "Biddeford",
"state": "ME",
"postal_code": "040059422",
"country_code": "US",
"telephone_number": "207-283-7937",
"fax_number": "207-283-7018",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MUELLER",
"first_name": "ZACHARY",
"middle_name": "P",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-05-20",
"last_updated": "2026-03-30",
"certification_date": "2026-03-30",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "ME",
"license": "DO2636",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "ME",
"license": "DO2636",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Portland, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 2026; 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.