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DR. KEVIN RICHARD COLWELL M.D.
NPI 1538195672
Internal Medicine in Simi Valley, CA

Active since June 23, 2006PECOS EnrolledAccepts Medicare Assignment
3900 ALAMO ST, SIMI VALLEY, CA 93063(888) 515-3500(805) 582-3088 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 6, 2026, Nov 29, 2021 (2 updates tracked since 2021).

About Dr. Kevin Richard Colwell M.d. NPPES

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

DR. KEVIN RICHARD COLWELL M.D. (NPI 1538195672) is an individual internal medicine provider in Simi Valley, California, licensed in California (A69040) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Medical College Of Wisconsin (1995).

NPPES Registry Identity

NPI1538195672
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. KEVIN RICHARD COLWELLCredential: M.D.
Location Address3900 ALAMO STSimi Valley, CA 93063-2111
Mailing Address3900 Alamo StSimi Valley, CA 93063-2111 · (888) 515-3500 · Fax (805) 582-3088
Phone(888) 515-3500
Fax(805) 582-3088
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1995
Enumeration DateJune 23, 2006
Last NPPES UpdateAugust 6, 20262 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
✔ NPI 1538195672 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · A69040✔ Licensed in WA · MD61690590
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License A69040 (CA)
3900 ALAMO ST, Simi Valley, CA 93063
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Secondary Practice Location 1

Location 1201 16th Ave ESeattle, WA 98112-5226 · Phone (206) 326-3000 · Fax (877) 515-2975

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. Kevin Richard Colwell 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 ID8224063631
PECOS Enrollment IDI20051004000617
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

3

Medicare enrollment records show Kevin Colwell reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
11 mi
Health Maintenance Organization
5601 DE SOTO AVE
Woodland Hills, CA 91367
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1952333478 (818) 719-2000
South Salem Rehabilitation, LLC
766 mi
Skilled Nursing Facility
3445 BOONE RD SE
Salem, OR 97317
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
  • Also billed through NPI 1871848457 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1215071998 (503) 576-3000
Kaiser Foundation Health Plan Of Washington
927 mi
Multi-Specialty
2715 NACHES AVE SW # GSWA1N02
Renton, WA 98057
  • Reassigned Medicare billing, Washington enrollment
  • 2,678 clinicians in this Medicare group
NPI 1124264577 (509) 241-7349

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 93063 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
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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 10

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

NGUYET MINH BANH PHARM.D.
Pharmacist
3900 ALAMO ST
SIMI VALLEY, CA 93063
Ventura County (805) 582-3006
NAM HUI KIM
Pharmacist
3900 ALAMO ST
SIMI VALLEY, CA 93063
Ventura County (805) 582-3004
SUKHMANI K LAYAL M.D.
Family Medicine
3900 ALAMO ST, KAISER PERMANENTE FAMILY MEDICINE , BOARD CERTIFIED
SIMI VALLEY, CA 93063
Ventura County (805) 582-3010
SARGIS AVANESYAN RPH
Pharmacist
3900 ALAMO ST, KAISER PERMANENTE SIMI VALLEY PHARMACY
SIMI VALLEY, CA 93063
Ventura County (818) 582-3006
ROBYN GERRY GLEZER D.O.
Family Medicine
3900 ALAMO ST
SIMI VALLEY, CA 93063
Ventura County (805) 582-3077
KAISER FOUNDATION HEALTH PLAN INC
Pharmacy (Community/Retail Pharmacy)
3900 ALAMO ST
SIMI VALLEY, CA 93063
Ventura County (866) 407-7718
MAHFAM MOHSENI MD
Family Medicine
3900 ALAMO ST
SIMI VALLEY, CA 93063
Ventura County (805) 582-3045
CATHERINE LI
Pharmacist
3900 ALAMO ST
SIMI VALLEY, CA 93063
Ventura County (805) 582-3006

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 Kevin Colwell's NPI number?

The NPI number for Kevin Colwell is 1538195672. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is Kevin Colwell located?

Kevin Colwell practices at 3900 Alamo St, Simi Valley, CA 93063. The listed phone number is (888) 515-3500.

What is Kevin Colwell's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Kevin Colwell enrolled in Medicare?

Yes. Kevin Colwell 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 Kevin Colwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Colwell reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Woodland Hills, CA), South Salem Rehabilitation, LLC (Salem, OR) and Kaiser Foundation Health Plan Of Washington (Renton, WA). 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 Kevin Colwell'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 Kevin Colwell was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.