DR. MATTHEW LARSEN DNP, CNM, WHNP-BC
NPI 1932766458
Advanced Practice Midwife in Apple Valley, CA

Q: What is Matthew Larsen's NPI number?

The NPI number for Matthew Larsen is 1932766458. It was assigned to this individual provider in the NPPES registry on May 20, 2019.

Q: What is Matthew Larsen's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Larsen was last updated on January 3, 2022. 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 May 20, 2019PECOS Enrolled

18077 OUTER HWY 18 STE 100, APPLE VALLEY, CA 92307(760) 946-8169(760) 946-8875 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 3, 2022, May 20, 2019 (2 updates tracked since 2019).

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About Dr. Matthew Larsen Dnp, Cnm, Whnp-bc NPPES

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

DR. MATTHEW LARSEN DNP, CNM, WHNP-BC (NPI 1932766458) is an individual advanced practice midwife in Apple Valley, California, licensed in California (236034) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1932766458

Entity TypeIndividualMale

Primary Taxonomy367A00000X

Provider Legal NameDR. MATTHEW LARSENCredential: DNP, CNM, WHNP-BC

Location Address18077 OUTER HWY 18 STE 100Apple Valley, CA 92307-2168

Mailing Address18077 Outer Hwy 18 Ste 100Apple Valley, CA 92307-2168 · (760) 946-8169 · Fax (760) 946-8875

Phone(760) 946-8169

Fax(760) 946-8875

Sole ProprietorNo

Enumeration DateMay 20, 2019

Last NPPES UpdateJanuary 3, 20222 updates tracked since enumeration

✔ NPI 1932766458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367A00000X

License✔ Licensed in CA · 236034

Definition

Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.

18077 OUTER HWY 18 STE 100, Apple Valley, CA 92307

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Secondary Practice Locations 2

Location 111424 Chamberlaine Way Ste 8&9Adelanto, CA 92301-2869 · Phone (760) 246-6670 · Fax (760) 246-4565

Location 217071 Main StHesperia, CA 92345-6071 · Phone (760) 956-7714 · Fax (760) 956-7749

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Matthew Larsen Dnp, Cnm, Whnp-bc 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 Matthew Larsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

328 mi

Internal Medicine

710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1073606299 (408) 851-1000

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 92307 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

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 3

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

PACIFIC CLINICS

Community/Behavioral Health

18077 OUTER HWY 18 STE 100
APPLE VALLEY, CA 92307

San Bernardino County (909) 266-2700

ST. JUDE NEIGHBORHOOD HEALTH CENTERS

Clinic/Center (Primary Care)

18077 OUTER HWY 18 STE 100
APPLE VALLEY, CA 92307

San Bernardino County (760) 946-8169

PACIFIC CLINICS

Community/Behavioral Health

18077 OUTER HWY 18 STE 100
APPLE VALLEY, CA 92307

San Bernardino County (909) 266-2700

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 Matthew Larsen's NPI number?

The NPI number for Matthew Larsen is 1932766458. It was assigned to this individual provider in the NPPES registry on May 20, 2019.

Where is Matthew Larsen located?

Matthew Larsen practices at 18077 Outer Hwy 18 Ste 100, Apple Valley, CA 92307. The listed phone number is (760) 946-8169.

What is Matthew Larsen's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Matthew Larsen enrolled in Medicare?

Yes. Matthew Larsen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Matthew Larsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Larsen reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Matthew Larsen'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 Matthew Larsen was last updated on January 3, 2022. 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.