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DR. MATTHEW T SIEDHOFF MD
NPI 1710182779
Obstetrics & Gynecology - Gynecology in Beverly Hills, CA

Active since June 19, 2007Opted out of Medicare · through Jan 1, 2028
85.71/100
CMS Quality Rating
450 N ROXBURY DR, SUITE 101, BEVERLY HILLS, CA 90210(310) 997-4884(310) 579-4992 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Nov 4, 2025, Feb 17, 2016 (2 updates tracked since 2016).

About Dr. Matthew T Siedhoff Md NPPES

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

DR. MATTHEW T SIEDHOFF MD (NPI 1710182779) is an individual gynecology provider in Beverly Hills, California, licensed in California (138819) and active in the NPI registry since June 2007. He has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1710182779
Entity TypeIndividualMale
Primary Taxonomy207VG0400X
Provider Legal NameDR. MATTHEW T SIEDHOFFCredential: MD
Location Address450 N ROXBURY DR, SUITE 101Beverly Hills, CA 90210
Mailing Address9903 Santa Monica Blvd, #208Beverly Hills, CA 90212 · (310) 997-4884 · Fax (310) 579-4992
Phone(310) 997-4884
Fax(310) 579-4992
Sole ProprietorYes
Enumeration DateJune 19, 2007
Last NPPES UpdateNovember 4, 20252 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1710182779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License✔ Licensed in CA · 138819
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 2009-00884 (NC)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
450 N ROXBURY DR, Beverly Hills, CA 90210
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Matthew T Siedhoff Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2026 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2026
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90210 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.67
Promoting Interoperability100
Improvement Activities40
Cost61.47

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.

MARY BEVENS GOODMAN NP-C
Nurse Practitioner (Obstetrics & Gynecology)
450 N ROXBURY DR, SUITE #500
BEVERLY HILLS, CA 90210
Los Angeles County (310) 277-2393
A R T REPRODUCTIVE CENTER, INC.
Clinical Medical Laboratory
450 N ROXBURY DR, SUITE 520
BEVERLY HILLS, CA 90210
Los Angeles County (310) 246-4621
LALEH AMAYA CRNA
Nurse Anesthetist, Certified Registered
450 N ROXBURY DR, SUITE 600
BEVERLY HILLS, CA 90210
Los Angeles County (310) 651-2280
PRECISION AMBULATORY SURGERY CENTER LLC
Clinic/Center (Ambulatory Surgical)
450 N ROXBURY DR, SUITE 250
BEVERLY HILLS, CA 90210
Los Angeles County (310) 651-2050
MR. ROBERT A OLSON CRNA, M.S
Nurse Anesthetist, Certified Registered
450 N ROXBURY DR, SUITE 600
BEVERLY HILLS, CA 90210
Los Angeles County (310) 651-2280
RACHEL BRODSKY PA-C
Physician Assistant (Surgical)
450 N ROXBURY DR
BEVERLY HILLS, CA 90210
Los Angeles County (310) 997-4884
BEVERLY HILLS HERNIA CENTER
Surgery
450 N ROXBURY DR, SUITE 224
BEVERLY HILLS, CA 90210
Los Angeles County (310) 358-5020
ROBERT PAUL ZIMMERMAN MD PROFESSIONAL CORPORATION
Radiology (Radiation Oncology)
450 N ROXBURY DR, SUITE 600
BEVERLY HILLS, CA 90210
Los Angeles County (310) 651-2050

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 Siedhoff's NPI number?

The NPI number for Matthew Siedhoff is 1710182779. It was assigned to this individual provider in the NPPES registry on June 19, 2007.

Where is Matthew Siedhoff located?

Matthew Siedhoff practices at 450 N Roxbury Dr Suite 101, Beverly Hills, CA 90210. The listed phone number is (310) 997-4884.

What is Matthew Siedhoff's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Matthew Siedhoff enrolled in Medicare?

No. Matthew Siedhoff has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Matthew Siedhoff was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.