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DR. MARSHALL TREDWAY WATSON JR. MD
NPI 1568461374
Neurological Surgery in Santa Fe, NM

Active since July 14, 2005PECOS EnrolledAccepts Medicare Assignment
465 SAINT MICHAELS DR, SUITE 107, SANTA FE, NM 87505(505) 988-3233 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Marshall Tredway Watson Jr. Md NPPES

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

DR. MARSHALL TREDWAY WATSON JR. MD (NPI 1568461374) is an individual neurological surgery provider in Santa Fe, New Mexico, licensed in Tennessee (39694) 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 Other (1998).

NPPES Registry Identity

NPI1568461374
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. MARSHALL TREDWAY WATSON JR.Credential: MD
Location Address465 SAINT MICHAELS DR, SUITE 107Santa Fe, NM 87505-7670
Mailing Address465 Saint Michaels Dr, Suite 107Santa Fe, NM 87505-7670
Phone(505) 988-3233
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateJuly 14, 2005
Last NPPES UpdateMarch 7, 2023
✔ NPI 1568461374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in TN · 39694
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
465 SAINT MICHAELS DR, Santa Fe, NM 87505
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Other Identifiers 1

Other39694TN · License

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. Marshall Tredway Watson Jr. 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 ID840227112
PECOS Enrollment IDI20160122001841
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 Reassignment

Medicare enrollment records show Marshall Watson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. Vincent Hospital
Same address
Family Medicine
465 SAINT MICHAELS DR # 240
Santa Fe, NM 87505
  • Reassigned Medicare billing, New Mexico enrollment
  • 399 clinicians in this Medicare group
NPI 1245438647 (505) 988-1232

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 9

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.

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.
144 services144 patients
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.
105 services95 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.
62 services51 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
45 services45 patients
Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853
Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.
28 services22 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

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
$126.21 typical visit price
range $54.26 – $166.80
Typical copayment $31.55 (range $13.56 – $41.70)
Most-billed visit code 99204
Established Patient
$68.00 typical visit price
range $17.00 – $135.35
Typical copayment $17.00 (range $4.25 – $33.83)
Most-billed visit code 99213
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 20

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

DR. THOMAS MATTHEW HOLMES M.D.
Dermatology (Pediatric Dermatology)
465 SAINT MICHAELS DR, SUITE 118
SANTA FE, NM 87505
Santa Fe County (505) 988-5120
DR. BERNARD RAY GAVRON DDS
Dentist (Endodontics)
465 SAINT MICHAELS DR, STE 208
SANTA FE, NM 87505
Santa Fe County (505) 988-7356
DR. DAVID CRAIG LINDSEY MD
Preventive Medicine (Undersea and Hyperbaric Medicine)
465 SAINT MICHAELS DR, SUITE 110
SANTA FE, NM 87505
Santa Fe County (505) 946-3180
DR. DEMOSTHENIS KLONIS D.O.
Internal Medicine (Cardiovascular Disease)
465 SAINT MICHAELS DR, SUITE 117
SANTA FE, NM 87505
Santa Fe County (505) 992-2600
PHILIP T SHIELDS MD
Neurological Surgery
465 SAINT MICHAELS DR, SUITE 107
SANTA FE, NM 87505
Santa Fe County (505) 988-3233
ST. VINCENT HOSPITAL
Psychiatry & Neurology (Neurology)
465 SAINT MICHAELS DR, SUITE 116
SANTA FE, NM 87505
Santa Fe County (505) 913-4260
PHILIP Y SMUCKER MD
Neurological Surgery
465 SAINT MICHAELS DR, SUITE 107
SANTA FE, NM 87505
Santa Fe County (505) 988-3233
SHEILA A CEPEDA MD
Obstetrics & Gynecology
465 SAINT MICHAELS DR
SANTA FE, NM 87505
Santa Fe County (505) 984-0303

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 Marshall Watson's NPI number?

The NPI number for Marshall Watson is 1568461374. It was assigned to this individual provider in the NPPES registry on July 14, 2005.

Where is Marshall Watson located?

Marshall Watson practices at 465 Saint Michaels Dr Suite 107, Santa Fe, NM 87505. The listed phone number is (505) 988-3233.

What is Marshall Watson's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Marshall Watson enrolled in Medicare?

Yes. Marshall Watson 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 organization bills Medicare for Marshall Watson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marshall Watson reassigns Medicare benefits to St. Vincent Hospital (Santa Fe, NM). The 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 Marshall Watson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Marshall Watson affiliated with any hospitals?

According to CMS data, Marshall Watson is affiliated with Christus St Vincent Regional Medical Center and Holy Cross Hospital A Div Of Taos Health Systems.

When was this NPI record last updated?

The NPPES record for Marshall Watson was last updated on March 7, 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.