RYAN C PETERSON MD INC
NPI 1609166545
Anesthesiology - Pain Medicine in Los Angeles, CA

Q: What is Ryan C Peterson MD Inc's NPI number?

The NPI number for Ryan C Peterson MD Inc is 1609166545. It was assigned to this organization in the NPPES registry on April 12, 2011.

Q: What is Ryan C Peterson MD Inc's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Active since April 12, 2011

3209 HILLOCK DR, LOS ANGELES, CA 90068(310) 266-3774(323) 380-7420 Get Directions Write a Review

NPPES record last updated: February 10, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Ryan C Peterson Md Inc NPPES

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

RYAN C PETERSON MD INC (NPI 1609166545) is a healthcare organization registered as a pain medicine in Los Angeles, California and active in the NPI registry since April 2011. The organization maintains 8 additional practice locations and lists Ryan C Peterson, Direct Owner, as its authorized official.

NPPES Registry Identity

NPI1609166545

Entity TypeOrganization

Primary Taxonomy207LP2900X

Legal Business NameRYAN C PETERSON MD INC

Location Address3209 HILLOCK DRLos Angeles, CA 90068-1427

Mailing AddressPo Box 7001Tarzana, CA 91357-7001 · (818) 888-7815 · Fax (818) 715-1722

Phone(310) 266-3774

Fax(323) 380-7420

Organization SubpartNo

Authorized OfficialRyan C PetersonDirect Owner · (310) 266-3774

Enumeration DateApril 12, 2011

Last NPPES UpdateFebruary 10, 2020

✔ NPI 1609166545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207LP2900X

License✔ Licensed in CA · A103097

Definition

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

3209 HILLOCK DR, Los Angeles, CA 90068

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Secondary Practice Locations 8

Location 18300 Valley Circle Blvd Ste CWest Hills, CA 91304-3023 · Phone (310) 266-3774 · Fax (323) 380-7420

Location 25620 Wilbur Ave Ste 207Tarzana, CA 91356-1309 · Phone (818) 344-0070 · Fax (818) 344-0079

Location 35400 Balboa Blvd Ste 111Encino, CA 91316-5206 · Phone (818) 784-8975 · Fax (818) 784-2035

Location 442051 10th St W Ste 109Lancaster, CA 93534-7093 · Phone (818) 501-2001

Location 516030 Ventura Blvd Ste 150Encino, CA 91436-2779 · Phone (818) 501-2001

Location 622900 Ventura Blvd Ste 340Woodland Hills, CA 91364-5808 · Phone (310) 266-3774 · Fax (323) 380-7420

Location 73101 Ocean Park Blvd Ste 309Santa Monica, CA 90405-3022 · Phone (310) 266-3774 · Fax (323) 380-7420

Location 87966 Beverly Blvd Ste 200Los Angeles, CA 90048-4511 · Phone (310) 266-3774 · Fax (323) 380-7420

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ryan C Peterson Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateCaliforniaEnrollment IDO20110520000356Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ryan C Peterson MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ryan Peterson, M.D.

Anesthesiology

NPI 1669613816

3209 HILLOCK DR
Los Angeles, CA 90068

(310) 266-3774

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ryan C Peterson MD Inc's NPI number?

The NPI number for Ryan C Peterson MD Inc is 1609166545. It was assigned to this organization in the NPPES registry on April 12, 2011.

Where is Ryan C Peterson MD Inc located?

Ryan C Peterson MD Inc is located at 3209 Hillock Dr, Los Angeles, CA 90068. The listed phone number is (310) 266-3774.

What is Ryan C Peterson MD Inc's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Ryan C Peterson MD Inc enrolled in Medicare?

Yes. Ryan C Peterson MD Inc is registered in the Medicare PECOS enrollment system.

When is Ryan C Peterson MD Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Ryan C Peterson MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Anesthesiology) reassigns their Medicare billing to Ryan C Peterson MD Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ryan C Peterson MD Inc was last updated on February 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.