DR. PAUL T. KEFALIDES M.D.
NPI 1790883080
Internal Medicine - Gastroenterology in Santa Rosa, CA

Q: What is Paul Kefalides's NPI number?

The NPI number for Paul Kefalides is 1790883080. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Q: What is Paul Kefalides's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Paul Kefalides was last updated on December 15, 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.

Active since September 20, 2006PECOS EnrolledAccepts Medicare Assignment

98 MONTGOMERY DR, STE C, SANTA ROSA, CA 95404(707) 591-0619(707) 591-0617 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Paul T. Kefalides M.d. NPPES

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

DR. PAUL T. KEFALIDES M.D. (NPI 1790883080) is an individual gastroenterology provider in Santa Rosa, California, licensed in California (A75614) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1995).

NPPES Registry Identity

NPI1790883080

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. PAUL T. KEFALIDESCredential: M.D.

Location Address98 MONTGOMERY DR, STE CSanta Rosa, CA 95404-6615

Mailing Address98 Montgomery Dr, Ste CSanta Rosa, CA 95404-6615 · (707) 591-0619 · Fax (707) 591-0617

Phone(707) 591-0619

Fax(707) 591-0617

Sole ProprietorNo

Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 1995

Enumeration DateSeptember 20, 2006

Last NPPES UpdateDecember 15, 2021

✔ NPI 1790883080 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 · A75614

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.

98 MONTGOMERY DR, Santa Rosa, CA 95404

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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. Paul T. Kefalides 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 ID7315836921

PECOS Enrollment IDI20050121000859

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

Medicare enrollment records show Paul Kefalides reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Medical Foundation

0.3 mi

Internal Medicine

500 DOYLE PARK DR, SUITE 303
Santa Rosa, CA 95405

Reassigned Medicare billing, California enrollment
1,699 clinicians in this Medicare group

NPI 1740584473 (707) 303-8300

Permanente Medical Group Inc

33 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 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 3

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

DR. NATALIA BALYTSKY M.D.

Anesthesiology

98 MONTGOMERY DR, STE.C
SANTA ROSA, CA 95404

Sonoma County (707) 591-0619

DR. SEAN SCOTT WILSON D.D.S

Dentist

98 MONTGOMERY DR
SANTA ROSA, CA 95404

Sonoma County (707) 578-7424

DR. DAVID J. SOTO M.D.

Surgery

98 MONTGOMERY DR, STE C
SANTA ROSA, CA 95404

Sonoma County (707) 591-0619

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 Paul Kefalides's NPI number?

The NPI number for Paul Kefalides is 1790883080. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Paul Kefalides located?

Paul Kefalides practices at 98 Montgomery Dr Ste C, Santa Rosa, CA 95404. The listed phone number is (707) 591-0619.

What is Paul Kefalides's specialty?

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

Is Paul Kefalides enrolled in Medicare?

Yes. Paul Kefalides 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 Paul Kefalides's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Paul Kefalides reassigns Medicare benefits to 2 organizations: Providence Medical Foundation (Santa Rosa, CA) and Permanente Medical Group Inc (Vallejo, 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 Paul Kefalides'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 Paul Kefalides was last updated on December 15, 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.