Ernesto Santistevan, PH.D.
Ernesto Santistevan, PH.D. is a Prescribing (Medical) Psychologist in Santa Fe, NM, registered under NPI 1114137684. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
The practice address on file is 4001 OFFICE COURT DR STE 1008, Santa Fe, NM 87507. 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 |
|---|---|---|
| 688 | NM | Prescribing (Medical) Psychologist primary |
| 688 | NM | Clinical Psychologist |
This provider holds licence 688 issued in NM. 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
- Practitioner - Clinical Psychologist
- PAC ID
- 4981792942
Medicare enrolment is recorded as approved under the provider type Practitioner - Clinical Psychologist. 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 Prescribing (Medical) covers
A licensed, doctoral-level psychologist authorized to prescribe and has undergone specialized education and training in preparation for prescriptive practice and has passed an examination accepted by the state board of psychology relevant to establishing competence for prescribing, and has received from the state board of psychology a current certificate granting prescriptive authority, which has not been revoked or suspended. NUCC Health Care Provider Taxonomy, code 103TP0016X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 103TP0016X | Prescribing (Medical) Psychologist Prescribing (Medical) | 688 | NM | primary |
| 103TC0700X | Clinical Psychologist Clinical | 688 | NM |
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-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1114137684 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | May 23, 2007 |
| Last updated | Mar 18, 2026 |
| Status | Active |
| Sole proprietor | No |
| Credential | PH.D. |
| Practice address |
4001 OFFICE COURT DR STE 1008 Santa Fe, NM 87507 (505) 577-2607 Fax (505) 982-1096 |
| Mailing address |
3201 ZAFARANO DR STE C Santa Fe, NM 87507 |
| Other identifiers |
Z0874
(NM) |
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 | 1 | 1 | 4 | 1 | 3 | 7 | 6 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 1 | 2 | 4 | 2 | 3 | 5 | 6 | 7 |
Sum = 56 · next multiple of 10 = 60 · check digit = 4 · actual last digit = 4
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.