Dr. Mark Fellows Weems, MD

  • Memphis, TN
  • Neonatologist
NPI1477793362
Industry payments
$143,684
Affiliated sites
1
Medical group
1
State licenses
2
Year NPI issued
2009
Practice address
848 Adams Ave, Memphis, TN 38103
Practice phone
Call (901) 287-5437
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Le Bonheur Children's Hospital

Memphis, Tennessee

See all 3 affiliations

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Dr. Mark Fellows Weems is a neonatologist in Memphis, Tennessee

Dr. Weems practices at Le Bonheur Children's Hospital in Memphis, Tennessee.

Dr. Weems' NPI, 1477793362, was assigned on March 4, 2009. Dr. Weems holds Tennessee license 50174.

NPI and contact details
NPI enumeration date
March 4, 2009
NPI status
Active
Practice phone
(901) 287-5437
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Mark Fellows Weems practices at Le Bonheur Children's Hospital in Memphis, Tennessee

Dr. Weems' primary practice is Le Bonheur Children's Hospital, at 848 Adams Ave, Memphis, TN 38103 in Shelby County. The practice phone is (901) 287-5437.

  • Le Bonheur Children's Hospital
    848 Adams Ave, Memphis, TN 38103 · Shelby CountyPhone(901) 287-5437

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Mark Fellows Weems is affiliated with 2 sites of care and 1 medical group

Dr. Weems' primary practice is Le Bonheur Children's Hospital in Memphis, Tennessee. The medical group on file is University Clinical Health. Dmand AI also links Dr. Weems to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Weems

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Mark Fellows Weems' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weems practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Le Bonheur Children's HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mark Fellows Weems is one of 123 neonatologists in Tennessee

Neonatal-perinatal medicine is Dr. Weems' primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dmand AI has Dr. Weems' licenses on file in 2 states: Tennessee and California.

Specialties and state licenses

  • Neonatal-perinatal medicine, TennesseePrimaryLicense 50174 · taxonomy 2080N0001X
  • Pediatrics, CaliforniaLicense A106872 · taxonomy 208000000X

Neonatologists near Dr. Weems

Counts of neonatologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mark Fellows Weems' patients have a median age of 3

Across all payers, Dmand AI patient panel data puts Dr. Weems' median patient age at 3, with 79% women.

Dr. Weems' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 3

Patient panel by sex, all payers

  • Women79%
  • Men21%

Source: Dmand AI Patient Panel Data

Dr. Mark Fellows Weems received $143,684 in industry payments from 2017 to 2025

CMS Open Payments shows 305 general payments to Dr. Weems from 3 drug and device companies from 2017 to 2025. Compensation for serving as faculty or as a speaker for a medical education program make up the largest share, 47% of the total. Abbott Laboratories paid the most, $143,507.

General payments to Dr. Weems by program year, 2017 to 2025

General payments to Dr. Weems by kind, 2017 to 2025

$143.7Kin total
  • Compensation for serving as faculty or as a speaker for a medical education program$67,10047%
  • Travel and lodging$24,14717%
  • Education speaker fees$19,25013%
  • Speaker and faculty fees$15,19411%
  • Other$17,99313%

Companies that paid Dr. Weems the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Weems

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Mark Fellows Weems's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mark Fellows Weems

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mark Fellows Weems' NPI number?

Dr. Mark Fellows Weems' NPI number is 1477793362. It was assigned on March 4, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Fellows Weems?

Dr. Mark Fellows Weems is a neonatologist in Memphis, Tennessee. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).

Where does Dr. Mark Fellows Weems practice?

Dr. Weems practices at 848 Adams Ave, Memphis, TN 38103. Dr. Weems' primary practice is Le Bonheur Children's Hospital in Memphis, Tennessee. Dmand AI also links Dr. Weems to 1 group practice or clinic.

What is Dr. Mark Fellows Weems' office phone number?

The practice phone on file for Dr. Weems is (901) 287-5437.

What is Dr. Mark Fellows Weems' medical license number?

Dr. Weems holds Tennessee license 50174, one of the licenses on file in 2 states.

Which states has Dr. Mark Fellows Weems been licensed in?

Dmand AI has state licenses on file for Dr. Weems in Tennessee and California.

What medical group is Dr. Mark Fellows Weems part of?

Dr. Weems is linked to University Clinical Health.

Has Dr. Mark Fellows Weems received payments from drug or device companies?

CMS Open Payments shows $143,684 in general payments to Dr. Weems from 3 companies from 2017 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Mark Fellows Weems been practicing?

Dr. Weems' NPI was assigned in 2009.

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