Active NPI
Sean Elliot Masters, MD
- Surgery Physician
- Royal Oak, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- 4301512328
- Practice address
- 3601 W 13 Mile Rd
Royal Oak, MI 48073-6712 - Phone
- (248) 898-5000
- NPI assigned
- May 23, 2018
- Last updated
- Feb 2, 2026
- 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 |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 4301512328 | MI | Primary |
Addresses
Primary practice location
3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Mailing address
3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Phone (248) 898-2673
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | smasters1245551@epic00.shdirect.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
- 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
- General Surgery
- Education
- Other, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3535 W 13 Mile Rd
Royal Oak, MI 48073-6770
Phone (248) 288-1130
3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
3601 W 13 Mile Rd Ec
Beaumont Emergency Services Ro
Royal Oak, MI 48073-6712
Phone (248) 898-0575
44201 Dequindre Rd
Troy, MI 48085-1117
Phone (248) 964-1187
44201 Dequindre Rd Ec
Beaumont Emergency Services TR
Troy, MI 48085-1117
Phone (248) 964-5111
Hospital & facility affiliations
- Beaumont Hospital Royal Oak
- Beaumont Hospital - Grosse Pointe
- Beaumont Hospital, Troy
- Beaumont Hospital - Taylor
Merit-based Incentive Payment System (MIPS)
- Final score
- 60.86 of 100
- Quality
- 78.24
- Promoting interoperability
- 0
- Improvement activities
- 40
- Cost
- 74.63
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
| Hernia repair - groin (open) | 1-10 |
| Hernia repair (minimally invasive) | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
| Removal of tissue | 53 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Michigan Healthcare Professionals PC | Current | Accepting new patients | |
| Beaumont Medical Group Hospital -Based Services | Current | Accepting new patients | |
| Michigan Healthcare Professionals PC | Current | Accepting new patients | |
| William Beaumont Hospital | Past | Accepting new patients |
Locations
27900 Grand River Ave
Ste 220
Farmington Hills, MI 48336
Phone (248) 477-0552
29992 Northwestern Hwy
Ste C
Farmington Hills, MI 48334
Phone (248) 851-1430
1221 Pine Grove Ave
Port Huron, MI 48060
Phone (810) 989-3300
3535 W 13 Mile Rd
Ste 501
Royal Oak, MI 48073
Phone (248) 288-1130
3601 W 13 Mile Rd
Royal Oak, MI 48073
44201 Dequindre Rd
Troy, MI 48085
Phone (248) 471-8255
Interoperability endpoints
- smasters1245551@epic00.shdirect.org
Organizations & group practices 4
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.
-
- Hospitalist Physician
- Royal Oak, MI
- NPI 1427567858
-
- Internal Medicine Physician
- Farmington Hills, MI
- NPI 1295023547
-
dba Urology Specialist of Michigan
- Durable Medical Equipment & Medical Supplies
- Lapeer, MI
- NPI 1992693303
-
dba Beaumont Hospital, Royal Oak
- General Acute Care Hospital
- Royal Oak, MI
- NPI 1689653305
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Beaumont Hospital - Taylor
- General Acute Care Hospital
- Taylor, MI
- NPI 1487605168
-
dba Beaumont Hospital, Troy
- General Acute Care Hospital
- Troy, MI
- NPI 1306825997
-
dba Beaumont Hospital, Royal Oak
- General Acute Care Hospital
- Royal Oak, MI
- NPI 1689653305
-
- Hospitalist Physician
- Royal Oak, MI
- NPI 1811044878
-
dba Beaumont Hospital, Grosse Pointe
- General Acute Care Hospital
- Grosse Pointe, MI
- NPI 1932396017
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1527033600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769990400000",
"number": "1083105167",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3601 W 13 MILE RD",
"city": "ROYAL OAK",
"state": "MI",
"postal_code": "480736712",
"telephone_number": "248-898-2673"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3601 W 13 MILE RD",
"city": "ROYAL OAK",
"state": "MI",
"postal_code": "480736712",
"telephone_number": "248-898-5000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MASTERS",
"first_name": "SEAN",
"middle_name": "ELLIOT",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-05-23",
"last_updated": "2026-02-02",
"certification_date": "2026-02-02",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "MI",
"license": "4301512328",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "smasters1245551@epic00.shdirect.org",
"affiliation": "N",
"address_1": "3601 W 13 Mile Rd",
"city": "Royal Oak",
"state": "MI",
"country_code": "US",
"postal_code": "480736712",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Royal Oak, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 2, 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.