DR. TIMOTHY M LOPEZ MD
NPI 1174521983
Internal Medicine - Hematology & Oncology in Santa Fe, NM
About Dr. Timothy M Lopez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY M LOPEZ MD (NPI 1174521983) is an individual hematology & oncology provider in Santa Fe, New Mexico, licensed in New Mexico (90-72) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Christus St Vincent Regional Medical Center, and is a graduate of University Of New Mexico School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Timothy M Lopez Md 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 Timothy Lopez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Fe, NM 87505
- Reassigned Medicare billing, New Mexico enrollment
- 399 clinicians in this Medicare group
Los Alamos, NM 87544
- Reassigned Medicare billing, New Mexico enrollment
- 42 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus St Vincent Regional Medical Center
Acute Care Hospitals · Santa Fe, NMLos Alamos Medical Center
Acute Care Hospitals · Los Alamos, NMPresbyterian Santa Fe Medical Center
Acute Care Hospitals · Santa Fe, NMHoly Cross Hospital A Div Of Taos Health Systems
Critical Access Hospitals · Taos, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 87505 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA FE, NM 87505
SANTA FE, NM 87505
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 Timothy Lopez's NPI number?
The NPI number for Timothy Lopez is 1174521983. It was assigned to this individual provider in the NPPES registry on July 14, 2005.
Where is Timothy Lopez located?
Timothy Lopez practices at 490A W Zia Rd, Santa Fe, NM 87505. The listed phone number is (505) 913-8900.
What is Timothy Lopez's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Timothy Lopez enrolled in Medicare?
Yes. Timothy 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 Timothy Lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Lopez reassigns Medicare benefits to 2 organizations: St Vincent Hospital (Santa Fe, NM) and Los Alamos Physician Practices LLC (Los Alamos, 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 Timothy Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Timothy Lopez affiliated with any hospitals?
According to CMS data, Timothy Lopez is affiliated with Christus St Vincent Regional Medical Center, Los Alamos Medical Center, Presbyterian Santa Fe Medical Center and Holy Cross Hospital A Div Of Taos Health Systems.
When was this NPI record last updated?
The NPPES record for Timothy Lopez was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.