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ROBERT WACK MD
NPI 1881662955
Pediatrics in Frederick, MD

Active since March 14, 2006PECOS Enrolled
400 W 7TH ST, FREDERICK, MD 21701(240) 566-3300(240) 566-4872 Get Directions Write a Review

NPPES record last updated: November 17, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Robert Wack Md NPPES

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

ROBERT WACK MD (NPI 1881662955) is an individual pediatrics provider in Frederick, Maryland, licensed in Maryland (D0051658) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881662955
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameROBERT WACKCredential: MD
Location Address400 W 7TH STFrederick, MD 21701-4506
Mailing Address400 W 7th StFrederick, MD 21701-4506 · (240) 566-3300 · Fax (240) 566-4872
Phone(240) 566-3300
Fax(240) 566-4872
Sole ProprietorNo
Enumeration DateMarch 14, 2006
Last NPPES UpdateNovember 17, 2009
✔ NPI 1881662955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MD · D0051658
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.
400 W 7TH ST, Frederick, MD 21701
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Other Identifiers 3

Medicare PINK499674WMD
Medicaid245940000MD
Medicare UPING79656

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert Wack Md 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 Reassignment

Medicare enrollment records show Robert Wack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Carroll County Health Department
24 mi
Public Health or Welfare
290 S CENTER ST
Westminster, MD 21157
  • Reassigned Medicare billing, Maryland enrollment
  • 4 clinicians in this Medicare group
NPI 1366711145 (410) 876-2152

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21701 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
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
Established Patient
$102.11 typical visit price
range $18.66 – $143.02
Typical copayment $25.52 (range $4.66 – $35.75)
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.

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.

MS. LINDA B PRUCE SLP
Speech-Language Pathologist
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (240) 566-3337
DR. JOSHUA COLIN FEBLOWITZ M.D.
Emergency Medicine
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (240) 566-3300
LORI SUSAN SPERLING D.P.T.
Physical Therapist
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (800) 603-6046
ROY DEGRANGE JR.
Nurse Anesthetist, Certified Registered
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (250) 566-3300
KATEY PURGASON NP
Nurse Practitioner
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (240) 566-3300
DR. BHARTI RAZDAN M.D.
Pediatrics (Neonatal-Perinatal Medicine)
400 W 7TH ST, NICU, FREDERICK MEMORIAL HOSPITAL
FREDERICK, MD 21701
Frederick County (240) 566-3582
PATRICIA M MAUNDU PHARM.D.
Pharmacist
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (240) 566-3393
HOSPITALIST MEDICINE PHYSICIANS OF MARYLAND-FREDERICK PC
Internal Medicine
400 W 7TH ST
FREDERICK, MD 21701
Frederick County (615) 577-6366

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 Robert Wack's NPI number?

The NPI number for Robert Wack is 1881662955. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is Robert Wack located?

Robert Wack practices at 400 W 7th St, Frederick, MD 21701. The listed phone number is (240) 566-3300.

What is Robert Wack's specialty?

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

Is Robert Wack enrolled in Medicare?

Yes. Robert Wack is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Wack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Wack reassigns Medicare benefits to Carroll County Health Department (Westminster, MD). The 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 Robert Wack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Wack was last updated on November 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.