1. Home
  2. Directory
  3. California
  4. Santa Rosa
  5. Internal Medicine
  6. NPI Profile

SCOTT M. TRAHMS MD
NPI 1023192093
Internal Medicine - Gastroenterology in Santa Rosa, CA

Active since October 25, 2006PECOS Enrolled
401 BICENTENNIAL WAY, SANTA ROSA, CA 95403(707) 571-4000 Get Directions Write a Review

NPPES record last updated: December 6, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Scott M. Trahms Md NPPES

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

SCOTT M. TRAHMS MD (NPI 1023192093) is an individual gastroenterology provider in Santa Rosa, California, licensed in California (G81296) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023192093
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameSCOTT M. TRAHMSCredential: MD
Location Address401 BICENTENNIAL WAYSanta Rosa, CA 95403-2149
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(707) 571-4000
Sole ProprietorNo
Enumeration DateOctober 25, 2006
Last NPPES UpdateDecember 6, 2021
✔ NPI 1023192093 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · G81296
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
401 BICENTENNIAL WAY, Santa Rosa, CA 95403
Open in Google Maps ↗

Other Identifiers 1

Medicaid00G812960CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Scott M. Trahms Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Scott Trahms reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
35 mi
Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1336222397 (707) 651-1000

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 95403 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.

MS. JESSICA ANNE RUTLAND R.D.
Dietitian, Registered
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 393-4787
KURT FALKENBERG P.T.
Physical Therapist
401 BICENTENNIAL WAY, EAST BUILDING, SUITE 190
SANTA ROSA, CA 95403
Sonoma County (707) 571-3352
DELILAH PATTERSON CRNA
Nurse Anesthetist, Certified Registered
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 393-4616
KRISZTINA J. BALAZS MD
Pediatrics
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 571-4000
JOHN F. KUNKEL MD
Pathology (Anatomic Pathology)
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 571-4000
CRISTINA COREY SCHROEN LCSW
Social Worker (Clinical)
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 571-2536
JIE GIOK RAHARDJA PHARMD
Pharmacist
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 393-4652
CONOR WILLIAM BOWMAN PHARM.D.
Pharmacist
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (818) 522-1238

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 Scott Trahms's NPI number?

The NPI number for Scott Trahms is 1023192093. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Where is Scott Trahms located?

Scott Trahms practices at 401 Bicentennial Way, Santa Rosa, CA 95403. The listed phone number is (707) 571-4000.

What is Scott Trahms's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Scott Trahms enrolled in Medicare?

Yes. Scott Trahms is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Scott Trahms's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Scott Trahms reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). 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 Scott Trahms'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 Scott Trahms was last updated on December 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.