DR. THOMAS J NUCKTON M.D.
NPI 1003902834
Internal Medicine - Critical Care Medicine in Santa Rosa, CA

Active since October 05, 2006PECOS EnrolledAccepts Medicare Assignment
3325 CHANATE RD, SANTA ROSA, CA 95404(415) 596-1685(415) 600-1753 Get Directions Write a Review

NPPES record last updated: January 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Thomas J Nuckton M.d. NPPES

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

DR. THOMAS J NUCKTON M.D. (NPI 1003902834) is an individual critical care medicine provider in Santa Rosa, California, licensed in California (G83871) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (1993).

NPPES Registry Identity

NPI1003902834
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. THOMAS J NUCKTONCredential: M.D.
Location Address3325 CHANATE RDSanta Rosa, CA 95404-1707
Mailing Address6 Locksley Ave Apt 8jSan Francisco, CA 94122-3822 · (415) 596-1685 · Fax (415) 600-1753
Fax(415) 600-1753
Sole ProprietorYes
Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 1993
Enumeration DateOctober 5, 2006
Last NPPES UpdateJanuary 15, 2025
NPPES CertifiedJanuary 15, 2025
✔ NPI 1003902834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in CA · G83871
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSpecialistTaxonomy 174400000X · License CC6838711 (CA)
3325 CHANATE RD, Santa Rosa, CA 95404

Other Identifiers 1

Medicaid00G838711CA

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. Thomas J Nuckton M.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 ID5496646820
PECOS Enrollment IDI20040323001950
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 Thomas Nuckton reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Care Medicine
30 MARK WEST SPRINGS RD
Santa Rosa, CA 95403
  • Reassigned Medicare billing, California enrollment
  • 126 clinicians in this Medicare group
Internal Medicine
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 1,216 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 2

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
19 services13 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
18 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95404 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
$142.00 typical visit price
range $63.04 – $187.01
Typical copayment $35.50 (range $15.76 – $46.75)
Most-billed visit code 99204
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
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 20

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

Radiology (Diagnostic Radiology)
3325 CHANATE RD
SANTA ROSA, CA 95404
Anesthesiology
3325 CHANATE RD
SANTA ROSA, CA 95404
Radiology (Diagnostic Radiology)
3325 CHANATE RD
SANTA ROSA, CA 95404
Physical Therapist
3325 CHANATE RD
SANTA ROSA, CA 95404
Anesthesiology
3325 CHANATE RD
SANTA ROSA, CA 95404
Nurse Practitioner
3325 CHANATE RD
SANTA ROSA, CA 95404
Anesthesiology
3325 CHANATE RD
SANTA ROSA, CA 95404
Nurse Practitioner (Family)
3325 CHANATE RD
SANTA ROSA, CA 95404

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 Thomas Nuckton's NPI number?

The NPI number for Thomas Nuckton is 1003902834. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Thomas Nuckton located?

Thomas Nuckton practices at 3325 Chanate Rd, Santa Rosa, CA 95404. The listed phone number is (415) 596-1685.

What is Thomas Nuckton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Thomas Nuckton enrolled in Medicare?

Yes. Thomas Nuckton 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 Thomas Nuckton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Nuckton reassigns Medicare benefits to 2 organizations: Cep America - Intensivists PC (Santa Rosa, CA) and Inpatient Specialists Of California, PC (San Bernardino, 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 Thomas Nuckton'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 Thomas Nuckton was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.