DR. ERIN NICOLE MCMULLEN D.O.
NPI 1891087086
Obstetrics & Gynecology in Los Angeles, CA

Q: What is Erin Mcmullen's NPI number?

The NPI number for Erin Mcmullen is 1891087086. It was assigned to this individual provider in the NPPES registry on May 6, 2011.

Q: What is Erin Mcmullen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Erin Mcmullen was last updated on March 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 06, 2011PECOS Enrolled

2100 W 3RD ST, LOS ANGELES, CA 90057(213) 413-8742 Get Directions Write a Review

NPPES record last updated: March 6, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 6, 2023, Sep 5, 2019 (2 updates tracked since 2019).

On this page

About Dr. Erin Nicole Mcmullen D.o. NPPES

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

DR. ERIN NICOLE MCMULLEN D.O. (NPI 1891087086) is an individual obstetrics & gynecology provider in Los Angeles, California, licensed in California (19322) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891087086

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. ERIN NICOLE MCMULLENCredential: D.O.

Location Address2100 W 3RD STLos Angeles, CA 90057-1944

Mailing Address2100 W 3rd St Ste 400Los Angeles, CA 90057-2290

Phone(213) 413-8742

Sole ProprietorNo

Enumeration DateMay 6, 2011

Last NPPES UpdateMarch 6, 20232 updates tracked since enumeration

NPPES CertifiedMarch 6, 2023

✔ NPI 1891087086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in CA · 19322✔ Licensed in WA · OP60900978

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2100 W 3RD ST, Los Angeles, CA 90057

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 (PECOS)

Dr. Erin Nicole Mcmullen D.o. 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 Erin Mcmullen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Magella Medical Group, Inc.

18 mi

Maternal & Fetal Medicine

2888 LONG BEACH BLVD STE 400
Long Beach, CA 90806

Reassigned Medicare billing, California enrollment
191 clinicians in this Medicare group

NPI 1376640086 (562) 997-8510

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 90057 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.

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.

HOUSE EAR INSTITUTE CARE CENTER

Audiologist

2100 W 3RD ST
LOS ANGELES, CA 90057

Los Angeles County (213) 353-7005

VICTORIA HERNDS

Registered Nurse (Case Management)

2100 W 3RD ST
LOS ANGELES, CA 90057

Los Angeles County (323) 765-6167

MRS. BROOKE NICHOLSON PHILLIPS AU.D.

Audiologist-Hearing Aid Fitter

2100 W 3RD ST, HOUSE EAR INSTITUTE CARE CENTER
LOS ANGELES, CA 90057

Los Angeles County (213) 353-7005

SHERRY S. YOUNG AU.D.CCC-A

Audiologist-Hearing Aid Fitter

2100 W 3RD ST, STE 111
LOS ANGELES, CA 90057

Los Angeles County (213) 483-9930

DR. MICHAEL ROBERT STEFAN M.D.

Internal Medicine

2100 W 3RD ST, SUITE 260
LOS ANGELES, CA 90057

Los Angeles County (213) 484-2957

DR. JENNIFER HOWARD WILKER M.S. , AU.D.

Audiologist

2100 W 3RD ST, SUITE 111
LOS ANGELES, CA 90057

Los Angeles County (213) 483-9930

DR. WILLIAM H SLATTERY III MD

Otolaryngology

2100 W 3RD ST, SUITE 111
LOS ANGELES, CA 90057

Los Angeles County (213) 483-9930

HOUSE HEALTHCARE INC.

Otolaryngology (Otolaryngic Allergy)

2100 W 3RD ST, SUITE 111
LOS ANGELES, CA 90057

Los Angeles County (213) 483-9930

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 Erin Mcmullen's NPI number?

The NPI number for Erin Mcmullen is 1891087086. It was assigned to this individual provider in the NPPES registry on May 6, 2011.

Where is Erin Mcmullen located?

Erin Mcmullen practices at 2100 W 3rd St, Los Angeles, CA 90057. The listed phone number is (213) 413-8742.

What is Erin Mcmullen's specialty?

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

Is Erin Mcmullen enrolled in Medicare?

Yes. Erin Mcmullen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Erin Mcmullen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Mcmullen reassigns Medicare benefits to Magella Medical Group, Inc. (Long Beach, 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 Erin Mcmullen'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 Erin Mcmullen was last updated on March 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.