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

DR. TIMOTHY M LOPEZ MD
NPI 1174521983
Internal Medicine - Hematology & Oncology in Santa Fe, NM

Active since July 14, 2005PECOS EnrolledAccepts Medicare Assignment
490A W ZIA RD, SANTA FE, NM 87505(505) 913-8900(505) 913-8923 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1174521983
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. TIMOTHY M LOPEZCredential: MD
Location Address490A W ZIA RDSanta Fe, NM 87505-6996
Mailing Address490a W Zia RdSanta Fe, NM 87505-6996 · (505) 913-8900 · Fax (505) 913-8923
Fax(505) 913-8923
Sole ProprietorNo
Medical School CMSUniversity Of New Mexico School Of MedicineGraduated 1984
Enumeration DateJuly 14, 2005
Last NPPES UpdateSeptember 29, 2026
✔ NPI 1174521983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NM · 90-72
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
490A W ZIA RD, Santa Fe, NM 87505

Other Identifiers 1

Other900003136Railroad Medicare

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.

PECOS PAC ID2567424302
PECOS Enrollment IDI20091123000163
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

2

Medicare 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.

Family Medicine
433 SAINT MICHAELS DR
Santa Fe, NM 87505
  • Reassigned Medicare billing, New Mexico enrollment
  • 399 clinicians in this Medicare group
Family Medicine
3917 WEST RD
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
385 services145 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
156 services117 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
37 services37 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
36 services28 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
30 services14 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
18 services18 patients

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, NM
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number320002
Location455 St Michael's DriveSanta Fe, NM 87505 · Santa Fe County
Emergency services Birthing friendly

Los Alamos Medical Center

Acute Care Hospitals · Los Alamos, NM
OwnershipProprietary
CMS Certification Number320033
Location3917 West RoadLos Alamos, NM 87544 · Los Alamos County
Emergency services Birthing friendly

Presbyterian Santa Fe Medical Center

Acute Care Hospitals · Santa Fe, NM
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number320090
Location4801 Beckner RoadSanta Fe, NM 87507 · Santa Fe County
Emergency services Birthing friendly

Holy Cross Hospital A Div Of Taos Health Systems

Critical Access Hospitals · Taos, NM
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number321310
Location1397 Weimer RoadTaos, NM 87571 · Taos County
Emergency services Birthing friendly

Physician 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.

New Patient
$166.80 typical visit price
range $54.26 – $166.80
Typical copayment $41.70 (range $13.56 – $41.70)
Most-billed visit code 99205
Established Patient
$96.38 typical visit price
range $17.00 – $135.35
Typical copayment $24.09 (range $4.25 – $33.83)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner
490A W ZIA RD
SANTA FE, NM 87505
Registered Nurse
490A W ZIA RD
SANTA FE, NM 87505
Internal Medicine
490A W ZIA RD
SANTA FE, NM 87505
Internal Medicine (Hematology & Oncology)
490A W ZIA RD
SANTA FE, NM 87505
Nurse Practitioner
490A W ZIA RD
SANTA FE, NM 87505
Radiology (Therapeutic Radiology)
490A W ZIA RD
SANTA FE, NM 87505
Physician Assistant
490A W ZIA RD, SUITE 200
SANTA FE, NM 87505
Internal Medicine (Hematology & Oncology)
490A W ZIA RD
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.