Janson Jacob, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

MT225674 Issued in PA

Practice address

325 Central Ave
Malvern, PA 19355-3265

Phone

(610) 644-6755

NPI assigned

Jun 20, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Internal Medicine

Education

Pennsylvania State University College of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regional Gastroenterology Associates of Lancaster, LTD.Group PAC ID 4688575434, 248 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Paoli Hospital Hospital, Paoli, PA, CCN 390153
• 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 Medicine

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.

• Regional Gastroenterology Associates of Lancaster, LTD.

  dba Digestive Disease Associates, LTD

  • Gastroenterology Physician
  • Lancaster, PA
  • NPI 1154422806
  Medicare reassignment Care Compare group NPD
• Lehigh Valley Physician Group

  dba LVPG Developmental Pediatrics

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

  dba LVPG Family Medicine - Laurys Station

  • Family Medicine Physician
  • Laurys Station, PA
  • NPI 1194897595
  NPD
• Lehigh Valley Physician Group

  dba LVPG Family and Internal Medicine - East Stroudsburg

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

  • Transplant Surgery Physician
  • Allentown, PA
  • NPI 1457309650
  NPD
• Regional Gastroenterology Associates of Lancaster, LTD.

  dba Mid-Atlantic Gastrointestinal Center

  • Ambulatory Surgical Clinic/Center
  • Lancaster, PA
  • NPI 1295819084
  NPD
• Main Line Endoscopy Center LLC

  • Endoscopy Clinic/Center
  • Malvern, PA
  • NPI 1871569780
  NPD (past)
• Main Line Gastroenterology Associates, PC

  • Gastroenterology Physician
  • Malvern, PA
  • NPI 1467429365
  NPD (past)

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

• Main Line Hospitals, Inc.

  dba Paoli Hospital

  • General Acute Care Hospital
  • Paoli, PA
  • NPI 1215042114
  Care Compare affiliation
• Main Line Hospitals, Inc.

  dba Lankenau Hospital

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

  dba Bryn Mawr Hospital

  • 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": "1560988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749686400000",
    "number": "1629638614",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "707 EAGLEVIEW BLVD",
            "city": "EXTON",
            "state": "PA",
            "postal_code": "193411159",
            "telephone_number": "610-644-6755"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "325 CENTRAL AVE",
            "city": "MALVERN",
            "state": "PA",
            "postal_code": "193553265",
            "telephone_number": "610-644-6755"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JACOB",
        "first_name": "JANSON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-20",
        "last_updated": "2025-06-12",
        "certification_date": "2025-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MI",
            "license": "4351044320",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "PA",
            "license": "MT225674",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Farzin Irani, PH.D.
• Madeline Iswalt
• Dana Lynne Iverson Neefe, MD
• J & a Medical Home Care Inc. (Medical Home Care)
• Ella Jackson
• Sara Marie Jagielski
• Jared James, PT, DPT
• Jatin Kyada, MD, PC
• Patricia Jeffers, BA, RBT
• Jefferson University Radiology Associates, LLC (Jefferson Outpatient Imaging)

• Gastroenterology Physician in Malvern, PA
• Providers in Malvern, PA by specialty
• Gastroenterology Physician in Pennsylvania

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