Kostas Papamarkakis, M.D.

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

282248 Issued in MA

Practice address

123 Summer St Ste 685N
Worcester, MA 01608-1216

Phone

(508) 363-6008

Fax

(508) 219-8081

NPI assigned

Mar 31, 2015

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

Medicare fee-for-service enrollment

Enrolled in MA, CT2 enrollments

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 2

Specialty

Nephrology

Education

Tufts University School of Medicine, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Starling Physicians, PLLCGroup PAC ID 7517863749, 276 clinicians

Prospect CT Medical Foundation IncGroup PAC ID 7416244496, 287 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• DaVita Vernon Dialysis Center Dialysis facility, Vernon, CT, CCN 072529
• DaVita Willard Avenue Dialysis Dialysis facility, Newington, CT, CCN 072541
• DaVita Windham Dialysis Center Dialysis facility, North Windham, CT, CCN 072530
• Manchester Memorial Hospital Hospital, Manchester, CT, CCN 070027
• Hartford Hospital Hospital, Hartford, CT, CCN 070025
• Middlesex Hospital Hospital, Middletown, CT, CCN 070020

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kostaspapamarkakis@mpp.allscriptsdirect.net
• Direct secure messaging: kpapamarkakis514936@xdr.hhchealthdirect.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.

• Prospect CT Medical Foundation, Inc.

  • Family Medicine Physician
  • Manchester, CT
  • NPI 1144677568
  Medicare reassignment Care Compare group NPD
• Starling Physicians, PLLC

  • Internal Medicine Physician
  • Rocky Hill, CT
  • NPI 1467537290

  Nephrology

  Medicare reassignment Care Compare group NPD
• Hartford Healthcare Medical Group Specialists, PLLC

  • Surgery Physician
  • Hartford, CT
  • NPI 1023584216
  Medicare reassignment
• Central Mass Nephrology

  • Nephrology Physician
  • Worcester, MA
  • NPI 1588331250
  NPD
• Medical Access P.C.

  • Urgent Care Clinic/Center
  • Germantown, MD
  • NPI 1144291204
  NPD
• Starling Physicians PLLC

  • Durable Medical Equipment & Medical Supplies
  • Bloomfield, CT
  • NPI 1760355861
  NPD

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

• Total Renal Care Inc

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • North Windham, CT
  • NPI 1295776656

  Dialysis facility

  Care Compare affiliation Name & address match
• Total Renal Care Inc

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Vernon, CT
  • NPI 1942244363

  Dialysis facility

  Care Compare affiliation Name & address match
• Total Renal Care Inc

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Newington, CT
  • NPI 1952616633

  Dialysis facility

  Care Compare affiliation Name & address match
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  Care Compare affiliation
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1902834880
  Care Compare affiliation
• Manchester Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Manchester, CT
  • NPI 1881564664
  Care Compare affiliation
• Middlesex Hospital

  • General Acute Care Hospital
  • Middletown, CT
  • NPI 1760454334
  Care Compare affiliation

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

{
    "created_epoch": "1427760000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779840000000",
    "number": "1699160234",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "123 SUMMER ST STE 685N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016081216",
            "telephone_number": "508-363-6008",
            "fax_number": "508-219-8081"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "123 SUMMER ST STE 685N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016081216",
            "telephone_number": "508-363-6008",
            "fax_number": "508-219-8081"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PAPAMARKAKIS",
        "first_name": "KOSTAS",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-31",
        "last_updated": "2026-05-27",
        "certification_date": "2026-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "MA",
            "license": "282248",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hannah Marie Panzica, MD
• Dominic William Paoletti
• Dennis R. Paoloni, MD
• Debra M Papa, M.D.
• Petros Aristotle Papadopoulos, PHARMD
• Donna A. Papazian, CNM
• Molly Larkin Papazian, PA-C
• Linda A Pape, M.D.
• Blerta Papi, DMD
• Jennifer Lynne Pappalardo, DPM

• Nephrology Physician in Worcester, MA
• Providers in Worcester, MA by specialty
• Nephrology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 27, 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.