Theresa McClain, D.O.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

OS018924 Issued in PA

Practice address

1611 Pond Rd Ste 300
Allentown, PA 18104

Phone

(610) 398-7700

Fax

(610) 398-3917

NPI assigned

Apr 24, 2013

Last updated

Jan 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in PA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Obstetrics/Gynecology

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

St Joseph Medical GroupGroup PAC ID 3779688650, 190 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Penn State Health St. Joseph Hospital, Reading, PA, CCN 390096

Merit-based Incentive Payment System (MIPS)

Final score

79.31 of 100Reported as group

Quality

55.01

Promoting interoperability

99

Improvement activities

40

Cost

76.86

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• St. Joseph Medical Group

  • Family Medicine Physician
  • Reading, PA
  • NPI 1184754657

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Penn State Health Medical Group, LLC

  • Hematology & Oncology Physician
  • Harrisburg, PA
  • NPI 1861988644
  Medicare reassignment NPD
• The Milton S Hershey Medical Center Physicians Group

  • Orthopaedic Surgery Physician
  • Hershey, PA
  • NPI 1710951744
  Medicare reassignment
• Penn State Health Medical Group, LLC

  • Dermatology Physician
  • Camp Hill, PA
  • NPI 1407500143
  NPD
• Penn State Health Medical Group, LLC

  • Diagnostic Radiology Physician
  • Harrisburg, PA
  • NPI 1457824013
  NPD
• St. Joseph Medical Group

  • Anesthesiology Physician
  • Reading, PA
  • NPI 1841680881
  NPD
• The Milton S Hershey Medical Center Physician Group

  • Body Imaging Physician
  • Hershey, PA
  • NPI 1346215928
  NPD
• The Milton S Hershey Medical Center Physicians Group

  • Obstetrics Physician
  • Hershey, PA
  • NPI 1295700946
  NPD
• St Joseph Regional Health Network

  dba Penn State Health St Joseph

  • General Acute Care Hospital
  • Reading, PA
  • NPI 1699734665
  NPD (past)
• The Milton S. Hershey Medical Center Physicians Group

  • Sports Medicine (Neuromusculoskeletal Medicine) Physician
  • Hershey, PA
  • NPI 1255482089
  NPD (past)

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

• St Joseph Regional Health Network

  dba Penn State Health St Joseph

  • General Acute Care Hospital
  • Reading, PA
  • NPI 1699734665
  Care Compare affiliation

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

{
    "created_epoch": "1366761600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1235573916",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2494 BERNVILLE RD STE 100",
            "city": "READING",
            "state": "PA",
            "postal_code": "196059466",
            "telephone_number": "610-378-2899",
            "fax_number": "610-378-2980"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1611 POND RD STE 300",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "18104",
            "telephone_number": "610-398-7700",
            "fax_number": "610-398-3917"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "500 University Dr",
            "address_purpose": "LOCATION",
            "city": "Hershey",
            "state": "PA",
            "postal_code": "170332360",
            "country_code": "US",
            "telephone_number": "800-243-1455",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1330 Penn Ave",
            "address_purpose": "LOCATION",
            "city": "Wyomissing",
            "state": "PA",
            "postal_code": "19610",
            "country_code": "US",
            "telephone_number": "610-373-3738",
            "fax_number": "610-373-4938",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1330 Penn Ave",
            "address_purpose": "LOCATION",
            "city": "Wyomissing",
            "state": "PA",
            "postal_code": "19610",
            "country_code": "US",
            "telephone_number": "610-373-3738",
            "fax_number": "610-373-4938",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCCLAIN",
        "first_name": "THERESA",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-04-24",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "PA",
            "license": "OS018924",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John McCarthy, DO
• Gwen Diana McCartney, PTA
• Megan Elizabeth McCarty, M.D.
• Robert McCauley, M.D.
• Richard W McClain, M.D.
• Katherine McClellan
• Veronica McClelland, PA-C
• Jeffrey R. McConnell, MD
• Amanda McCormick
• Jennifer Nicole McCormick, MD

• Obstetrics & Gynecology Physician in Allentown, PA
• Providers in Allentown, PA by specialty
• Obstetrics & Gynecology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 2026; 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.