1. Home
  2. Directory
  3. Missouri
  4. Frontenac
  5. Pediatrics
  6. NPI Profile

DR. MARK LOUIS GREENBERG M.D.
NPI 1043219967
Pediatrics in Frontenac, MO

Active since July 21, 2005PECOS Enrolled
585 TWIN FAWNS DR, FRONTENAC, MO 63131(602) 561-0367 Get Directions Write a Review

NPPES record last updated: April 20, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Apr 20, 2026, Jun 3, 2025, Nov 2, 2022 (3 updates tracked since 2022).

About Dr. Mark Louis Greenberg M.d. NPPES

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

DR. MARK LOUIS GREENBERG M.D. (NPI 1043219967) is an individual pediatrics provider in Frontenac, Missouri, licensed in Missouri (R7G09) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043219967
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. MARK LOUIS GREENBERGCredential: M.D.
Location Address585 TWIN FAWNS DRFrontenac, MO 63131-4717
Mailing Address585 Twin Fawns DrFrontenac, MO 63131-4717 · (602) 561-0367
Phone(602) 561-0367
Sole ProprietorNo
Enumeration DateJuly 21, 2005
Last NPPES UpdateApril 20, 20263 updates tracked since enumeration
NPPES CertifiedApril 20, 2026
✔ NPI 1043219967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in MO · R7G09✔ Licensed in AZ · 21921
Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

585 TWIN FAWNS DR, Frontenac, MO 63131
Open in Google Maps ↗

Other Identifiers 2

Medicaid418677AZ
Medicaid200260860IN

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 Louis Greenberg 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63131 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Greenberg's NPI number?

The NPI number for Mark Greenberg is 1043219967. It was assigned to this individual provider in the NPPES registry on July 21, 2005.

Where is Mark Greenberg located?

Mark Greenberg practices at 585 Twin Fawns Dr, Frontenac, MO 63131. The listed phone number is (602) 561-0367.

What is Mark Greenberg's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mark Greenberg enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Mark Greenberg was last updated on April 20, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.