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MARGARET LAMB M.D.
NPI 1336481787
Pediatrics - Pediatric Hematology-Oncology in Columbus, OH

Active since March 25, 2013PECOS Enrolled
700 CHILDRENS DR, COLUMBUS, OH 43205(614) 722-2000(614) 722-3369 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 11, 2025, Feb 15, 2022, Jun 29, 2020 and 1 more (4 updates tracked since 2016).

About Margaret Lamb M.d. NPPES

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

MARGARET LAMB M.D. (NPI 1336481787) is an individual pediatric hematology-oncology provider in Columbus, Ohio, licensed in Ohio (35-126581) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1336481787
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameMARGARET LAMBCredential: M.D.
Location Address700 CHILDRENS DRColumbus, OH 43205-2664
Mailing Address700 Childrens DrColumbus, OH 43205-2664 · (614) 722-4200
Phone(614) 722-2000
Fax(614) 722-3369
Sole ProprietorNo
Enumeration DateMarch 25, 2013
Last NPPES UpdateFebruary 17, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2026
✔ NPI 1336481787 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in OH · 35-126581
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License 35.126581 (OH)
700 CHILDRENS DR, Columbus, OH 43205
Open in Google Maps ↗

Secondary Practice Locations 6

Location 1536 S Trimble RdMansfield, OH 44906-3418 · Phone (614) 722-6200
Location 26435 E Broad StColumbus, OH 43213-1507 · Phone (614) 722-2000
Location 37853 Pacer DrDelaware, OH 43015-7571 · Phone (614) 722-2000
Location 45665 Venture DrDublin, OH 43017-2159 · Phone (614) 722-2000
Location 5740 Adair AveZanesville, OH 43701-2838 · Phone (614) 722-2000
Location 64439 State Route 159Chillicothe, OH 45601-8207 · Phone (614) 722-2000

Other Identifiers 1

Medicaid0401996OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Lamb 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 Reassignments

2

Medicare enrollment records show Margaret Lamb reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nationwide Children's Hospital
Same address
Multi-Specialty
700 CHILDRENS DR
Columbus, OH 43205
  • Reassigned Medicare billing, Ohio enrollment
  • 976 clinicians in this Medicare group
NPI 1851179873 (614) 722-2055
Pediatric Academic Association, Inc.
Same address
Pediatrics
700 CHILDRENS DR
Columbus, OH 43205
  • Reassigned Medicare billing, Ohio enrollment
  • 1,246 clinicians in this Medicare group
NPI 1063419943 (614) 722-4579

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 20

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

BELA M GANDHI MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
700 CHILDRENS DR
COLUMBUS, OH 43205
Franklin County (614) 722-8212
AMRIK SINGH KHALSA M.D.
Pediatrics
700 CHILDRENS DR
COLUMBUS, OH 43205
Franklin County (614) 722-2000
DR. ROBERT MICHAEL DORMAN M.D.
Surgery
700 CHILDRENS DR, CCPR
COLUMBUS, OH 43205
Franklin County (614) 722-0449
MR. CHRISTOPHER JONES MD
Pediatrics (Pediatric Emergency Medicine)
700 CHILDRENS DR
COLUMBUS, OH 43205
Franklin County (614) 722-2000
LEANNE MURRAY PHARMD
Pharmacist
700 CHILDRENS DR
COLUMBUS, OH 43205
Franklin County (614) 722-2160
CLAIRE ELIZABETH CHRISTIAN M.D.
Pediatrics (Pediatric Emergency Medicine)
700 CHILDRENS DR
COLUMBUS, OH 43205
Franklin County (614) 722-2000
MEGAN MCNICOL
Pharmacist
700 CHILDRENS DR
COLUMBUS, OH 43205
Franklin County (614) 722-2160
MARIA STRENG
Nurse Practitioner (Pediatrics)
700 CHILDRENS DR
COLUMBUS, OH 43205
Franklin County (614) 722-2000

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 Margaret Lamb's NPI number?

The NPI number for Margaret Lamb is 1336481787. It was assigned to this individual provider in the NPPES registry on March 25, 2013.

Where is Margaret Lamb located?

Margaret Lamb practices at 700 Childrens Dr, Columbus, OH 43205. The listed phone number is (614) 722-2000.

What is Margaret Lamb's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Margaret Lamb enrolled in Medicare?

Yes. Margaret Lamb is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Margaret Lamb's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Lamb reassigns Medicare benefits to 2 organizations: Nationwide Children's Hospital (Columbus, OH) and Pediatric Academic Association, Inc. (Columbus, OH). Each 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 Margaret Lamb's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Lamb accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and UnitedHealthcare list Margaret Lamb as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Margaret Lamb was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.