Mark Ernst Tantorski, D.O.

Primary specialty

Orthopaedic Surgery of the Spine PhysicianTaxonomy code 207XS0117X

License

OS014361 Issued in PA

Practice address

915 Old Fern Hill Rd Ste 1B-a
West Chester, PA 19380-4269

Phone

(610) 692-6280

NPI assigned

Nov 19, 2008

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

Orthopedic SurgeryAlso: Emergency Medicine

Education

University of New England, College of Osteo Medicine, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Premier Orthopaedic and Sports Medicine Associates, LTDGroup PAC ID 5890681092, 218 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Penn Medicine Home Health Home health agency, Bala Cynwyd, PA, CCN 397125
• Chester County Hospital Hospital, West Chester, PA, CCN 390179
• Riddle Memorial Hospital Hospital, Media, PA, CCN 390222
• Paoli Hospital Hospital, Paoli, PA, CCN 390153
• Hospital of Univ of Pennsylvania Hospital, Philadelphia, PA, CCN 390111
• Christiana Hospital Hospital, Newark, DE, CCN 080001

Merit-based Incentive Payment System (MIPS)

Final score

96.6 of 100Reported as group

Promoting interoperability

96

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: marktantorski@po.allscriptsdirect.net
• Direct secure messaging: mark.tantorski.1@22724.direct.athenahealth.com
• Direct secure messaging: metantor@yourcarecommunity.org

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.

• Premier Orthopaedic and Sports Medicine Associates, LTD

  • Orthopaedic Surgery Physician
  • Newtown Square, PA
  • NPI 1215987243
  Medicare reassignment Care Compare group NPD
• Premier Orthopaedic and Sports Medicine Associates LTD

  • Durable Medical Equipment & Medical Supplies
  • Exton, PA
  • NPI 1497485080

  Orthopaedic Surgery

  NPD
• Orthopedic Sports & Arthritis Surgery

  • Orthopaedic Surgery Physician
  • Paoli, PA
  • NPI 1316917594
  NPD (past)
• Orthopaedic Clinical Assoc Inc.

  • Specialist
  • Roxbury Crossing, MA
  • NPI 1578528949
  NPD (past)

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

• Chester County Hospital

  • General Acute Care Hospital
  • West Chester, PA
  • NPI 1356333579
  Care Compare affiliation
• Hospital of the University of PA

  • Ambulatory Fertility Facility
  • Phila, PA
  • NPI 1033262316

  Hospital

  Care Compare affiliation
• Main Line Hospitals, Inc.

  • General Acute Care Hospital
  • Paoli, PA
  • NPI 1215042114
  Care Compare affiliation
• Presbyterian Medical Center of the University of Pennsylvania Health S

  • Home Health Agency
  • Bala Cynwyd, PA
  • NPI 1992746366
  Care Compare affiliation
• Riddle Memorial Hospital

  • General Acute Care Hospital
  • Media, PA
  • NPI 1407856099
  Care Compare affiliation
• Trustees of the University of Pennsylvania

  • General Acute Care Hospital
  • Philadelphia, PA
  • NPI 1851370910
  Care Compare affiliation
• Christiana Care Health Services, Inc.

  • General Acute Care Hospital
  • Wilmington, DE
  • NPI 1134194038
  Care Compare affiliation

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

{
    "created_epoch": "1227052800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1528213410",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 34990",
            "city": "BELFAST",
            "state": "ME",
            "postal_code": "049150627",
            "telephone_number": "610-359-5672"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "915 OLD FERN HILL RD STE 1B-A",
            "city": "WEST CHESTER",
            "state": "PA",
            "postal_code": "193804269",
            "telephone_number": "610-692-6280"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TANTORSKI",
        "first_name": "MARK",
        "middle_name": "ERNST",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-11-19",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0117X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Orthopaedic Surgery of the Spine",
            "state": "PA",
            "license": "OS014361",
            "primary": true
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "PA",
            "license": "OS014361",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Talkeatplaygrow, LLC
• Renee Tallman, MS OTR/L
• Rama Krishna Talluri
• Isaac Tam, MD
• Zeel Jagdish Tamboli, M.D.
• Richard Tanzilli II, D.M.D.
• Grace Elizabeth Tasman
• Anthony Tassoni, RD, LDN
• Cindy Tate
• Quinn Tattersall

• Orthopaedic Surgery of the Spine Physician in West Chester, PA
• Providers in West Chester, PA by specialty
• Orthopaedic Surgery of the Spine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 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.