Holly Ann Mullen, MSW, LSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

CW019120 Issued in PA

Practice address

9636 Crescent LN # 2
Breinigsville, PA 18031-1830

Phone

(484) 866-7218

Fax

(484) 866-7218

NPI assigned

Apr 23, 2015

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other names 1

• Holly Delgrosso Former name

Medicare fee-for-service enrollment

Enrolled in PA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Lehigh Valley Physician GroupGroup PAC ID 3072425123, 2,512 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lehigh Valley Hospital Hospital, Allentown, PA, CCN 390133

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Lehigh Valley Physician Group

  • Developmental - Behavioral Pediatrics Physician
  • Allentown, PA
  • NPI 1780155689
  Medicare reassignment Care Compare group
• Lehigh Valley Physician Group

  • Family Medicine Physician
  • East Stroudsburg, PA
  • NPI 1245093368
  NPD
• Lehigh Valley Physician Group

  • Transplant Surgery Physician
  • Allentown, PA
  • NPI 1457309650
  NPD
• Lehigh Valley Physician Group

  • Pediatric Gastroenterology Physician
  • Bethlehem, PA
  • NPI 1952475808
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Lehigh Valley Hospital

  • General Acute Care Hospital
  • Allentown, PA
  • NPI 1164400131
  Care Compare affiliation
• Lehigh Valley Hospital

  • Clinic/Center
  • Allentown, PA
  • NPI 1194673467

  Hospital

  Care Compare affiliation
• Lehigh Valley Hospital

  • Clinic/Center
  • Allentown, PA
  • NPI 1528627155

  Hospital

  Care Compare affiliation
• Lehigh Valley Hospital

  • Psychiatric Hospital Unit
  • Bethlehem, PA
  • NPI 1609834001
  Care Compare affiliation
• Lehigh Valley Hospital

  • Children's Hospital
  • Allentown, PA
  • NPI 1952954307
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1429747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744761600000",
    "number": "1144617523",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9636 CRESCENT LANE",
            "address_2": "2",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "18103",
            "telephone_number": "484-866-7218"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9636 CRESCENT LN # 2",
            "city": "BREINIGSVILLE",
            "state": "PA",
            "postal_code": "180311830",
            "telephone_number": "484-866-7218",
            "fax_number": "484-866-7218"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1240 S Cedar Crest Blvd Ste 410",
            "address_purpose": "LOCATION",
            "city": "Allentown",
            "state": "PA",
            "postal_code": "181036218",
            "country_code": "US",
            "telephone_number": "610-402-7884",
            "fax_number": "610-402-8876",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MULLEN",
        "first_name": "HOLLY",
        "middle_name": "ANN",
        "credential": "MSW, LSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-23",
        "last_updated": "2025-04-16",
        "certification_date": "2025-04-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "PA",
            "license": "SW130601",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "PA",
            "license": "CW019120",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HOLLY",
            "last_name": "DELGROSSO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Kelly Ann Markowitz, M.S. CCC-SLP
• Caroline W Matu
• Velda W. Mescher, MSW, LCSW
• Sharon Denise Michels, PTA
• Randi Moore, PHDHP
• Wolvin Murillo
• Emily Onduso, LPN
• Komalben Patel
• E. Christopher Payne, PH.D.
• Quality Home Care

• Clinical Social Worker in Breinigsville, PA
• Providers in Breinigsville, PA by specialty
• Clinical Social Worker in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.