Mark J Hotchkiss, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

34345 Issued in CT

Practice address

235 Boston Post Rd Ste 202
Orange, CT 06477-3229

Phone

(203) 799-1252

Fax

(203) 799-3252

NPI assigned

Sep 23, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in CT

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

Nephrology

Education

State University of New York at Stony Brook, School of Medicine, 1990

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

HHC Physician Services PLLCGroup PAC ID 9537573357, 140 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Fresenius Medical Care of Fairfield Dialysis facility, Fairfield, CT, CCN 072536
• Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022
• Bridgeport Hospital Hospital, Bridgeport, CT, CCN 070010
• St Vincent's Medical Center Hospital, Bridgeport, CT, CCN 070028

Merit-based Incentive Payment System (MIPS)

Final score

95.41 of 100Reported as group

Quality

83.74

Promoting interoperability

100

Improvement activities

40

Cost

72.88

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.

• HHC Physician Services, PLLC

  • Internal Medicine Physician
  • Branford, CT
  • NPI 1669075610

  Nephrology

  Medicare reassignment Care Compare group NPD
• HHC Physician Services, PLLC

  • Pulmonary Disease Physician
  • Guilford, CT
  • NPI 1962212779
  NPD
• Metabolism Associates PC

  • Nephrology Physician
  • New Haven, CT
  • NPI 1861473787
  NPD (past)

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

• Liberty Dialysis - Fairfield, LLC

  dba Liberty Dialysis-Fairfield

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Fairfield, CT
  • NPI 1073796421

  Dialysis facility

  Care Compare affiliation Name & address match
• Bridgeport Hospital

  • General Acute Care Hospital
  • Bridgeport, CT
  • NPI 1649260845
  Care Compare affiliation
• Bridgeport Hospital

  • General Acute Care Hospital
  • Bridgeport, CT
  • NPI 1992910152
  Care Compare affiliation
• SVMC Holdings, Inc

  • General Acute Care Hospital
  • Bridgeport, CT
  • NPI 1942224696
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1336139500
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1578778726
  Care Compare affiliation

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

{
    "created_epoch": "1127433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744329600000",
    "number": "1861488033",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "235 BOSTON POST RD STE 202",
            "city": "ORANGE",
            "state": "CT",
            "postal_code": "064773229",
            "telephone_number": "203-799-1252",
            "fax_number": "203-799-3252"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "235 BOSTON POST RD STE 202",
            "city": "ORANGE",
            "state": "CT",
            "postal_code": "064773229",
            "telephone_number": "203-799-1252",
            "fax_number": "203-799-3252"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOTCHKISS",
        "first_name": "MARK",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-23",
        "last_updated": "2025-04-11",
        "certification_date": "2025-04-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CT",
            "license": "34345",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001343459",
            "state": "CT"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mark.hotchkiss@xdr.hhchealthdirect.org",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "240 Indian River Road",
            "address_2": "Suite A5",
            "city": "Orange",
            "state": "CT",
            "country_code": "US",
            "postal_code": "06477",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mark.hotchkiss@xdr.hhchealthdirect.org",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "235 Boston Post Rd Ste 202",
            "city": "Orange",
            "state": "CT",
            "country_code": "US",
            "postal_code": "064773229",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Hannah Gold Hill, MD
• Home Health Medical LLC
• Hope Haven, LLC (Hope Haven)
• Dominique Nicole Horah-Nanez
• Aram Hosseinpour
• Kevin Howard, DPT
• Ayla Hull
• Casey Hutchinson, OCCUPATIONAL THERAPI
• Icon Imaging LLC
• Impact Health Aco PC

• Nephrology Physician in Orange, CT
• Providers in Orange, CT by specialty
• Nephrology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 11, 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.