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HEIDI ELIZABETH CALLAHAN P.A.
NPI 1699778811
Physician Assistant in Salisbury, MD

Active since May 23, 2005PECOS Enrolled
100 E CARROLL ST, # 400, SALISBURY, MD 21801(410) 543-7530 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Heidi Elizabeth Callahan P.a. NPPES

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

HEIDI ELIZABETH CALLAHAN P.A. (NPI 1699778811) is an individual physician assistant in Salisbury, Maryland, licensed in Maryland (C01701) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699778811
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameHEIDI ELIZABETH CALLAHANCredential: P.A.
Location Address100 E CARROLL ST, # 400Salisbury, MD 21801-5422
Mailing Address614 Eastern Shore Dr Ste CSalisbury, MD 21804-5940 · (443) 260-2660 · Fax (443) 260-2754
Phone(410) 543-7530
Sole ProprietorNo
Enumeration DateMay 23, 2005
Last NPPES UpdateMarch 7, 2023
✔ NPI 1699778811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MD · C01701
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
100 E CARROLL ST, Salisbury, MD 21801
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Heidi Elizabeth Callahan P.a. 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 21801 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
$72.23 typical visit price
range $18.66 – $143.02
Typical copayment $18.05 (range $4.66 – $35.75)
Most-billed visit code 99213
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.

DR. DANIEL DEMETRIOS COLLECTOR MD
Student in an Organized Health Care Education/Training Program
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 546-6400
TIDALHEALTH SPECIALTY CARE
Pediatrics (Neonatal-Perinatal Medicine)
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 543-7749
ALEX L MAH MD
Anesthesiology
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 543-7375
MICHELLE H GRBIC MS CCC-SLP
Speech-Language Pathologist
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 546-6400
DR. SAVANNAH FINLEY DO
Student in an Organized Health Care Education/Training Program
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 546-6400
BRENDA MARTIN CRNP
Nurse Practitioner
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 543-7531
CHARLES B SILVIA JR. MD
Internal Medicine
100 E CARROLL ST, INPATIENT SERVICES
SALISBURY, MD 21801
Wicomico County (410) 543-7536
WILLIAM C TODD MD
Emergency Medicine
100 E CARROLL ST
SALISBURY, MD 21801
Wicomico County (410) 543-7100

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 Heidi Callahan's NPI number?

The NPI number for Heidi Callahan is 1699778811. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Where is Heidi Callahan located?

Heidi Callahan practices at 100 E Carroll St # 400, Salisbury, MD 21801. The listed phone number is (410) 543-7530.

What is Heidi Callahan's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Heidi Callahan enrolled in Medicare?

Yes. Heidi Callahan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Heidi Callahan was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.