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MRS. STEPHANIE LAMER M.D.
NPI 1235978735
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Los Angeles, CA

Active since May 23, 2024PECOS Enrolled
4650 W SUNSET BLVD # 69, LOS ANGELES, CA 90027(541) 553-3771 Get Directions Write a Review

NPPES record last updated: July 28, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 18, 2025, Dec 2, 2024 (2 updates tracked since 2024).

About Mrs. Stephanie Lamer M.d. NPPES

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

MRS. STEPHANIE LAMER M.D. (NPI 1235978735) is an individual pediatric orthopaedic surgery provider in Los Angeles, California, licensed in California (A199982) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235978735
Entity TypeIndividualFemale
Primary Taxonomy207XP3100X
Provider Legal NameMRS. STEPHANIE LAMERCredential: M.D.
Location Address4650 W SUNSET BLVD # 69Los Angeles, CA 90027-6062
Mailing Address4850 Hollywood Blvd Apt 510Los Angeles, CA 90027-3271 · (541) 553-3771
Phone(541) 553-3771
Sole ProprietorNo
Enumeration DateMay 23, 2024
Last NPPES UpdateJuly 28, 20252 updates tracked since enumeration
NPPES CertifiedJuly 28, 2025
✔ NPI 1235978735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Pediatric Orthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XP3100X
License✔ Licensed in CA · A199982
Definition
An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License A199982 (CA)
4650 W SUNSET BLVD # 69, Los Angeles, CA 90027
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Stephanie Lamer M.d. 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 Stephanie Lamer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital Los Angeles Medical Group, Inc.
Same address
Multi-Specialty
4650 SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
  • 1,281 clinicians in this Medicare group
NPI 1265530653 (323) 361-2337

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

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.

NICHOLAS MARIGLIANO PHYSICIAN ASSISTANT
Physician Assistant
4650 W SUNSET BLVD # 69
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2142
ANDREW KWANGWON CHUNG PA-C
Physician Assistant
4650 W SUNSET BLVD # 69
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2142
DEIRDRE D RYAN MD
Orthopaedic Surgery
4650 W SUNSET BLVD # 69
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2450

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 Stephanie Lamer's NPI number?

The NPI number for Stephanie Lamer is 1235978735. It was assigned to this individual provider in the NPPES registry on May 23, 2024.

Where is Stephanie Lamer located?

Stephanie Lamer practices at 4650 W Sunset Blvd # 69, Los Angeles, CA 90027. The listed phone number is (541) 553-3771.

What is Stephanie Lamer's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Is Stephanie Lamer enrolled in Medicare?

Yes. Stephanie Lamer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stephanie Lamer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Lamer reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Stephanie Lamer'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 Stephanie Lamer was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.