Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Holly Ann Mullen, MSW, LSW

Individual provider Counselor · NPI 1144617523

Holly Ann Mullen, MSW, LSW is a Clinical Social Worker in Breinigsville, Pennsylvania. Qualified in 2013, 13 years ago. Practices with Lehigh Valley Physician Group, a 2,493-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
13
Licensed in
PA
In the registry since
2015
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LSW — Licensed Social Worker
A state-licensed social worker.

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Practice location Address checks out

9636 Crescent Ln # 2
Breinigsville, PA 18031-1830
Phone: (484) 866-7218
Fax: (484) 866-7218
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1240 S Cedar Crest Blvd Ste 410, Allentown, PA 18103-6218 — (610) 402-7884

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence CW019120 (PA)
Counselor Taxonomy 101Y00000X · Licence SW130601 (PA)

Record details

NPI number1144617523
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LSW
Sole proprietorNo
NPI enumeratedApril 23, 2015
Last updated in NPPESApril 16, 2025
Certification dateApril 9, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Lehigh Valley Physician Group — 2493 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients36
Services billed 162 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Lehigh Valley Physician Group

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2493 clinicians in the practice; 12 are shown here.

Other providers in Breinigsville