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© 2026 NPI Telehealth

US Registry Operational
CMS Source

Informational purposes only — not medical advice. Always consult a professional. Data updated weekly. Read full disclaimer.

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Online Doctors in FREDERICK, MD | Telehealth & Virtual Care | NPI Telehealth | NPI Telehealth
LOCAL HEALTHCARE DIRECTORY 2026

DOCTORS IN
FREDERICK.

Find and book verified care in FREDERICK, MD. Access NPI credentials sourced from federal records, patient ratings, and virtual care availability.

Data refreshed: April 12, 2026•Source: CMS NPPES

PROVIDERS

Active medical practitioners in FREDERICK jurisdiction.

267 ENTRIES FOUND
NPI: 1619567278
VIRTUAL ACTIVE

Alison Rae Krenzer Carlew, PA-C

PA-C

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
5+ Years Exp.
ACCESS PROFILE
NPI: 1609076108
VIRTUAL ACTIVE

Bianca Udugampola, MD

MD

NPI DATA 2026
Frederick, MD
WEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE (2004)
19+ Years Exp.
ACCESS PROFILE
NPI: 1609067792
VIRTUAL ACTIVE

Rohan Raju Rengen, D.O.

D.O.

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1598871378
VIRTUAL ACTIVE

Majd Abouassali Hakim, MD

MD

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1598357691
VIRTUAL ACTIVE

Insley Ann Schaden, LCSW-C

LCSW-C

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
5+ Years Exp.
ACCESS PROFILE
NPI: 1598194086
VIRTUAL ACTIVE

AMANDA HOLLER

Healthcare Provider

NPI DATA 2026
FREDERICK, MD
OTHER (2013)
13+ Years Exp.
ACCESS PROFILE
NPI: 1588906994
VIRTUAL ACTIVE

Samuel R Stoyak, M.D.

M.D.

NPI DATA 2026
Frederick, MD
University of Pittsburgh School of Medicine (2013)
13+ Years Exp.
ACCESS PROFILE
NPI: 1588708267
VIRTUAL ACTIVE

Jared R. Berkowitz, MD

MD

NPI DATA 2026
Frederick, MD
University of Maryland School of Medicine (2003)
19+ Years Exp.
ACCESS PROFILE
NPI: 1588197248
VIRTUAL ACTIVE

Nicole Happel, LGSW

LGSW

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
9+ Years Exp.
ACCESS PROFILE
NPI: 1588062251
VIRTUAL ACTIVE

Kayur Bhavsar, DO

DO

NPI DATA 2026
Frederick, MD
New York Institute of Technology College of Osteopathic Medicine (2012)
12+ Years Exp.
ACCESS PROFILE
NPI: 1578615829
VIRTUAL ACTIVE

Deborah M Austill, PA

PA

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1578130837
VIRTUAL ACTIVE

Crystal Lynn Rainey, LCPC

LCPC

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
5+ Years Exp.
ACCESS PROFILE
NPI: 1568848687
VIRTUAL ACTIVE

Melissa Ward, CRNP-PMH

CRNP-PMH

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
11+ Years Exp.
ACCESS PROFILE
NPI: 1568539831
VIRTUAL ACTIVE

Betty Silon, PHD

PHD

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1558042796
VIRTUAL ACTIVE

John P Bishop, LCSW-C

LCSW-C

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
3+ Years Exp.
ACCESS PROFILE
NPI: 1548451586
VIRTUAL ACTIVE

Victoria E. Bolton, LCSW-C

LCSW-C

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1548319825
VIRTUAL ACTIVE

Tina Marie Allen, MSW, LICSW, LCSW-C

MSW, LICSW, LCSW-C

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
19+ Years Exp.
ACCESS PROFILE
NPI: 1548244056
VIRTUAL ACTIVE

DALE R HEITZIG, M.D.

M.D.

NPI DATA 2026
FREDERICK, MD
UNIVERSITY OF MICHIGAN MEDICAL SCHOOL (1995)
21+ Years Exp.
ACCESS PROFILE
NPI: 1538536255
VIRTUAL ACTIVE

Rachael Patelunas

Healthcare Provider

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
11+ Years Exp.
ACCESS PROFILE
NPI: 1538422308
VIRTUAL ACTIVE

John Joseph Digiovanni, D.O.

D.O.

NPI DATA 2026
Frederick, MD
OFFICIAL REGISTRY DATA
14+ Years Exp.
ACCESS PROFILE
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Specialties in FREDERICK

AnesthesiologysCounselorsDermatologysDietitian, RegisteredsFamily MedicinesInternal MedicinesNeuromusculoskeletal Medicine & OMMsNurse PractitionersObstetrics & GynecologysPain MedicinesPhysical TherapistsPhysician Assistants

Find Doctors in FREDERICK

Looking for verified medical care in FREDERICK? Choosing a new doctor is a critical decision. Whether you need a routine check-up or specialized treatment, we provide the tools to compare professionals based on federal registry data.

Our directory only displays providers who are actively practicing in FREDERICK, ensuring you receive current and accurate local information.

Institutional Data Integrity

Every provider on NPI Telehealth is sourced from the National Plan and Provider Enumeration System (NPPES). We display data from licensed, active professionals in the federal registry.

NPI-REGISTERED PROVIDERS
REAL-TIME REGISTRY UPDATES