DOUGLAS M MONTGOMERY MD
NPI 1679640585
Obstetrics & Gynecology in Riverside, CA

Q: What is Douglas Montgomery's NPI number?

The NPI number for Douglas Montgomery is 1679640585. It was assigned to this individual provider in the NPPES registry on November 29, 2006.

Q: What is Douglas Montgomery's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Active since November 29, 2006PECOS EnrolledAccepts Medicare Assignment

10800 MAGNOLIA AVE, RIVERSIDE, CA 92505(909) 353-2000 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Douglas M Montgomery Md NPPES

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

DOUGLAS M MONTGOMERY MD (NPI 1679640585) is an individual obstetrics & gynecology provider in Riverside, California, licensed in California (A48061) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Louisiana State University School Of Medicine In Shreveport (1986).

NPPES Registry Identity

NPI1679640585

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameDOUGLAS M MONTGOMERYCredential: MD

Location Address10800 MAGNOLIA AVERiverside, CA 92505-3043

Mailing Address10800 Magnolia AveRiverside, CA 92505-3043 · (909) 353-2000

Phone(909) 353-2000

Sole ProprietorNo

Medical School CMSLouisiana State University School Of Medicine In ShreveportGraduated 1986

Enumeration DateNovember 29, 2006

Last NPPES UpdateNovember 29, 2021

✔ NPI 1679640585 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A48061

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

10800 MAGNOLIA AVE, Riverside, CA 92505

Open in Google Maps ↗

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

Douglas M Montgomery Md 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 ID4789863754

PECOS Enrollment IDI20110122000011

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

Southern California Permanente Medical Group

Same address

Health Maintenance Organization

10800 MAGNOLIA AVE
Riverside, CA 92505

Reassigned Medicare billing, California enrollment
Also billed through NPI 1952333460 (California)
5,228 clinicians in this Medicare group

NPI 1316979834 (866) 984-7483

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 92505 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

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 20

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

KAISER PERMANENTE

General Acute Care Hospital