William Haberstroh, D.O.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

OS022869 Issued in PA

Practice address

825 Old Lancaster Rd Ste 340
Bryn Mawr, PA 19010-3235

Phone

(610) 527-9570

Fax

(610) 527-8805

NPI assigned

Apr 5, 2017

Sex

Male

Sole proprietor

Yes

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

Gastroenterology

Education

Philadelphia College of Osteopathic Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Bryn Mawr Medical Specialists AssociationGroup PAC ID 4183610934, 135 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bryn Mawr Hospital Hospital, Bryn Mawr, PA, CCN 390139
• Main Line Hospital Lankenau Hospital, Wynnewood, PA, CCN 390195
• Riddle Memorial Hospital Hospital, Media, PA, CCN 390222

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: william.haberstroh@bmmsa.directbygreenway.com

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.

• Bryn Mawr Medical Specialists Association

  • Multi-Specialty Clinic/Center
  • Bryn Mawr, PA
  • NPI 1841226099
  Medicare reassignment Care Compare group NPD

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

• Main Line Hospitals, Inc.

  • General Acute Care Hospital
  • Wynnewood, PA
  • NPI 1245335629
  Care Compare affiliation
• Main Line Hospitals, Inc.

  • General Acute Care Hospital
  • Bryn Mawr, PA
  • NPI 1508971441
  Care Compare affiliation
• Riddle Memorial Hospital

  • General Acute Care Hospital
  • Media, PA
  • NPI 1407856099
  Care Compare affiliation

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

{
    "created_epoch": "1491350400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754956800000",
    "number": "1346773462",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "825 OLD LANCASTER RD STE 320",
            "city": "BRYN MAWR",
            "state": "PA",
            "postal_code": "190103235",
            "telephone_number": "610-527-3800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "825 OLD LANCASTER RD STE 340",
            "city": "BRYN MAWR",
            "state": "PA",
            "postal_code": "190103235",
            "telephone_number": "610-527-9570",
            "fax_number": "610-527-8805"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HABERSTROH",
        "first_name": "WILLIAM",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2017-04-05",
        "last_updated": "2025-08-12",
        "certification_date": "2025-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "PA",
            "license": "OS022869",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jia Guo, DOM, L.AC
• Lipi Gupta, MD
• Sameer Gupta, MD, MPH
• Maribel Gutierrez, LPN
• Leon Sylvester Guy IV, PTA
• Laurita M Hack, DPT
• Bahar Hadjiesmaeiloo, M.D.
• Lauren Melissa Hadley
• Katherine Anne Hageney
• Robert W Haggerty, M.D.

• Gastroenterology Physician in Bryn Mawr, PA
• Providers in Bryn Mawr, PA by specialty
• Gastroenterology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 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.