DR. MARK FELLOWS WEEMS M.D.
NPI 1477793362
Pediatrics - Neonatal-Perinatal Medicine in Memphis, TN

Active since March 04, 2009PECOS Enrolled
853 JEFFERSON AVE, ROUT BLDG E201, MEMPHIS, TN 38103(901) 448-5950 Get Directions Write a Review

NPPES record last updated: February 25, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 25, 2025, Mar 29, 2018 (2 updates tracked since 2018).

About Dr. Mark Fellows Weems M.d. NPPES

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

DR. MARK FELLOWS WEEMS M.D. (NPI 1477793362) is an individual neonatal-perinatal medicine provider in Memphis, Tennessee, licensed in Tennessee (50174) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477793362
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameDR. MARK FELLOWS WEEMSCredential: M.D.
Location Address853 JEFFERSON AVE, ROUT BLDG E201Memphis, TN 38103-2807
Mailing Address1068 Cresthaven Rd Ste 300Memphis, TN 38119-0809
Sole ProprietorNo
Enumeration DateMarch 4, 2009
Last NPPES UpdateFebruary 25, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2025
NPI 1477793362 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses Licensed in TN · 50174 Licensed in CA · A106872
Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Also ListedPediatricsTaxonomy 208000000X · License A106872 (CA)
853 JEFFERSON AVE, Memphis, TN 38103

Other Identifiers 3

Medicaid04328790MS
Medicaid198061001AR
Medicaid1533405TN

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Mark Fellows Weems 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.

Other Providers at the Same Location NPPES 13

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

Nurse Practitioner (Neonatal, Critical Care)
853 JEFFERSON AVE, 2ND FLOOR ROUT
MEMPHIS, TN 38103
Obstetrics & Gynecology (Gynecology)
853 JEFFERSON AVE, E160
MEMPHIS, TN 38103
Pediatrics (Neonatal-Perinatal Medicine)
853 JEFFERSON AVE, ROUT CENTER FOR WOMEN AND NEWBORNS, SUITE 201
MEMPHIS, TN 38103
General Acute Care Hospital (Women)
853 JEFFERSON AVE, ROOM 201
MEMPHIS, TN 38103
Nurse Practitioner (Neonatal)
853 JEFFERSON AVE
MEMPHIS, TN 38103
Obstetrics & Gynecology
853 JEFFERSON AVE, ROUT 102
MEMPHIS, TN 38103
Pediatrics (Neonatal-Perinatal Medicine)
853 JEFFERSON AVE, SUITE 201
MEMPHIS, TN 38103
Nurse Practitioner (Neonatal, Critical Care)
853 JEFFERSON AVE, SUITE 201
MEMPHIS, TN 38103

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 Mark Weems's NPI number?

The NPI number for Mark Weems is 1477793362. It was assigned to this individual provider in the NPPES registry on March 4, 2009.

Where is Mark Weems located?

Mark Weems practices at 853 Jefferson Ave Rout Bldg E201, Memphis, TN 38103. The listed phone number is (901) 448-5950.

What is Mark Weems's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Mark Weems enrolled in Medicare?

Yes. Mark Weems is registered in the Medicare PECOS enrollment system.

What insurance does Mark Weems accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list Mark Weems 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 Mark Weems was last updated on February 25, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.