SOUTHERN MONO HEALTH CARE DISTRICT
SOUTHERN MONO HEALTH CARE DISTRICT is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1053456400, based in Mammoth Lakes, CA. It is classified under Rural Acute Care Hospital.
Getting there
The practice address on file is 85 SIERRA PARK RD, Mammoth Lakes, CA 93546. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 240000008 | CA | Rural Acute Care Hospital primary |
This provider holds licence 240000008 issued in CA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Part A Provider - Rural Health Clinic
- PAC ID
- 9830002401
Medicare enrolment is recorded as approved under the provider type Part A Provider - Rural Health Clinic. This means the provider is enrolled to bill Medicare, though it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Rural covers
Definition to come... NUCC Health Care Provider Taxonomy, code 282NR1301X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1053456400 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Feb 21, 2007 |
| Last updated | Sep 11, 2025 |
| Status | Active |
| Practice address |
85 SIERRA PARK RD Mammoth Lakes, CA 93546 (760) 934-3311 Fax (760) 924-4023 |
| Mailing address |
PO BOX 660 85 SIERRA PARK RD Mammoth Lakes, CA 93546 |
| Other identifiers |
HSP30638H
(CA) HAP18523F (CA) HSP40638H (CA) RHM18523F (CA) |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 5 | 3 | 4 | 5 | 6 | 4 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 1 | 3 | 8 | 5 | 3 | 4 | 0 |
Sum = 50 · next multiple of 10 = 50 · check digit = 0 · actual last digit = 0
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.