Mark Louis Greenberg, M.D.

Individual provider Active NPI Pediatrics Physician · Frontenac, MO

NPI 1043219967 · NPPES record last updated Apr 20, 2026

Key facts

NPI
1043219967
Entity type
Individual (NPI type 1)
Primary specialty
Pediatrics Physician 208000000X
License
R7G09 (MO)
Practice address
585 Twin Fawns Dr
Frontenac, MO 63131-4717
Phone
(602) 561-0367
NPI assigned
Jul 21, 2005
Sex
Male
Sole proprietor
No

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Medicare participation

Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20241015000943 CA Practitioner - Pediatric Medicine 8729001607 Reassigns benefits to 1 organization

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
21921AZMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Family Care Health Centers Current
since Nov 18, 2025
Accepting new patients
Siskiyou Hospital, Inc. Current
since Aug 19, 2024
Accepting new patients
Family Care Health Centers Current
since Jun 2, 2025
Accepting new patients
SSM Health Care St. Louis Past Accepting new patients
Franciscan Health Crown Point Past Accepting new patients
North Scottsdale Pediatric Associates Pediatrics Past Accepting new patients
Pleasant Pediatrics PLC Pediatrics Past Accepting new patients
JJ Pediatrics, P.L.L.C. Pediatrics Past Accepting new patients
Pleasant Pediatrics PLC Pediatrics Past Accepting new patients

Locations

475 Bruce St
Yreka, CA 96097
Phone (530) 842-3507

444 Bruce St
Yreka, CA 96097
Phone (530) 841-6256

401 Holly Hills Ave
Saint Louis, MO 63111
Phone (314) 353-5190

4352 Manchester Ave
Saint Louis, MO 63110
Phone (314) 371-0336

Interoperability endpoints

  • Direct secure messaging: mgreenberg3377098@oc.providencedirect.org
  • Direct secure messaging: drgreenberg@mvpkidscare.opdirect.net

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 21921 AZ
Pediatrics Physician 208000000X R7G09 MO Yes

Addresses

Primary practice location

585 Twin Fawns Dr
Frontenac, MO 63131-4717

Mailing address

585 Twin Fawns Dr
Frontenac, MO 63131-4717
Phone (602) 561-0367

Other identifiers

IdentifierTypeStateIssuer
418677MedicaidAZ
200260860MedicaidIN

Other providers in Frontenac, MO

All providers in Frontenac, MO · Pediatrics Physician in Missouri

Sources for this page

Verify at the official NPI Registry.