Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ERNESTO SANTISTEVAN PH.D.
NPI 1114137684
Psychologist - Prescribing (Medical) in Santa Fe, NM

Active since May 23, 2007PECOS EnrolledAccepts Medicare Assignment
4001 OFFICE COURT DR STE 1008, SANTA FE, NM 87507(505) 577-2607(505) 982-1096 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 23, 2026, Mar 18, 2026, Mar 9, 2026 (3 updates tracked since 2026).

About Dr. Ernesto Santistevan Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ERNESTO SANTISTEVAN PH.D. (NPI 1114137684) is an individual prescribing (medical) provider in Santa Fe, New Mexico, licensed in New Mexico (688) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1114137684
Entity TypeIndividualMale
Primary Taxonomy103TP0016X
Provider Legal NameDR. ERNESTO SANTISTEVANCredential: PH.D.
Location Address4001 OFFICE COURT DR STE 1008Santa Fe, NM 87507-4929
Mailing Address3201 Zafarano Dr Ste CSanta Fe, NM 87507-2672 · (505) 577-2607 · Fax (505) 982-1096
Fax(505) 982-1096
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateMay 23, 2007
Last NPPES UpdateSeptember 23, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1114137684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · Prescribing (Medical)Behavioral Health & Social Service Providers
Taxonomy Code103TP0016X
License✔ Licensed in NM · 688
Definition
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has received from the state board of psychology a current certificate granting prescriptive authority, which has not been revoked or suspended.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 688 (NM)
4001 OFFICE COURT DR STE 1008, Santa Fe, NM 87507

Other Identifiers 1

MedicaidZ0874NM

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ernesto Santistevan Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981792942
PECOS Enrollment IDI20071109000048
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Ernesto Santistevan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community/Behavioral Health
2325 CERRILLOS RD
Santa Fe, NM 87505
  • Reassigned Medicare billing, New Mexico enrollment
  • 21 clinicians in this Medicare group
Clinical
1807 2ND ST, SUITE 44
Santa Fe, NM 87505
  • Reassigned Medicare billing, New Mexico enrollment
Community/Behavioral Health
1524 BISHOPS LODGE ROAD
Tesuque, NM 87574
  • Reassigned Medicare billing, New Mexico enrollment
  • 6 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Professional)
4001 OFFICE COURT DR STE 1008
SANTA FE, NM 87507

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ernesto Santistevan's NPI number?

The NPI number for Ernesto Santistevan is 1114137684. It was assigned to this individual provider in the NPPES registry on May 23, 2007.

Where is Ernesto Santistevan located?

Ernesto Santistevan practices at 4001 Office Court Dr Ste 1008, Santa Fe, NM 87507. The listed phone number is (505) 577-2607.

What is Ernesto Santistevan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Prescribing (Medical), with taxonomy code 103TP0016X.

Is Ernesto Santistevan enrolled in Medicare?

Yes. Ernesto Santistevan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ernesto Santistevan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ernesto Santistevan reassigns Medicare benefits to 3 organizations: The Life Link (Santa Fe, NM), Santa Fe Psychological Services LLC (Santa Fe, NM) and Santa Fe Mountain Center Inc (Tesuque, NM). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ernesto Santistevan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ernesto Santistevan was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.