MR. MARK ERWIN SANTOS LOPEZ DNP, APRN, PMHNP-BC
NPI 1649674797
Nurse Practitioner - Psychiatric/Mental Health in Sacramento, CA
About Mr. Mark Erwin Santos Lopez Dnp, Aprn, Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARK ERWIN SANTOS LOPEZ DNP, APRN, PMHNP-BC (NPI 1649674797) is an individual psychiatric/mental health provider in Sacramento, California, licensed in California (95006452) and active in the NPI registry since October 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Mr. Mark Erwin Santos Lopez Dnp, Aprn, Pmhnp-bc 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.
Medicare Billing Reassignments
2Medicare enrollment records show Mark Erwin Lopez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Regents Of The Univ Of Ca
- 2,570 clinicians in this Medicare group
West Sacramento, CA 95605
- Reassigned Medicare billing, California enrollment
- 10 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95817 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
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 Mark Erwin Lopez's NPI number?
The NPI number for Mark Erwin Lopez is 1649674797. It was assigned to this individual provider in the NPPES registry on October 17, 2014.
Where is Mark Erwin Lopez located?
Mark Erwin Lopez practices at 2230 Stockton Blvd, Sacramento, CA 95817. The listed phone number is (916) 734-2972.
What is Mark Erwin Lopez's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mark Erwin Lopez enrolled in Medicare?
Yes. Mark Erwin Lopez 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 Mark Erwin Lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Erwin Lopez reassigns Medicare benefits to 2 organizations: Regents Of The University Of Ca (Sacramento, CA) and Yolo County Health And Human Services Agency (West Sacramento, CA). 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 Mark Erwin Lopez'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 Mark Erwin Lopez was last updated on April 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Mr. Mark Erwin Santos Lopez, DNP, APRN, PMHNP-BC · NPI 1649674797
Psychiatric/Mental Health physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since October 17, 2014.
## Identity
- **NPI:** 1649674797 (Entity type: Individual)
- **Enumerated:** October 17, 2014
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 95006452 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2230 STOCKTON BLVD, Sacramento, CA 95817-1353
- **Phone:** (916) 734-2972
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of Ca (NPI 1164415238, Sacramento, CA); Yolo County Health And Human Services Agency (NPI 1033241112, West Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** April 14, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1649674797) · Data from the CMS NPPES public registry.