Active NPI
Ronald Raymond Watson, O.D.
- Optometrist
- Sandusky, MI
National Provider Identifier
1881683407
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 4901002880
- Practice address
- 43 Kristian St
Sandusky, MI 48471-1035 - Phone
- (810) 648-3100
- NPI assigned
- Oct 17, 2005
- 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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | 4901002880 | MI | Primary |
Addresses
Primary practice location
43 Kristian St
Sandusky, MI 48471-1035
Mailing address
43 Kristian St
Sandusky, MI 48471-1035
Phone (810) 648-3100
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0198800001 | Other | ADMINASTAR |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1129507200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1881683407",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "43 KRISTIAN ST",
"city": "SANDUSKY",
"state": "MI",
"postal_code": "484711035",
"telephone_number": "810-648-3100"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "43 KRISTIAN ST",
"city": "SANDUSKY",
"state": "MI",
"postal_code": "484711035",
"telephone_number": "810-648-3100"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WATSON",
"first_name": "RONALD",
"middle_name": "RAYMOND",
"name_prefix": "Dr.",
"credential": "O.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-17",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "MI",
"license": "4901002880",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ADMINASTAR",
"identifier": "0198800001",
"state": null
}
],
"endpoints": [],
"other_names": []
}Other providers in Sandusky, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.