Michael Donnell Kelso Jr., MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

1017371 Issued in MA

Practice address

1493 Cambridge St
Cambridge, MA 02139-1099

Phone

(617) 665-1552

NPI assigned

Jun 13, 2011

Last updated

Feb 2, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Enrolled in NC, AL, MA, ME, KY5 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 5

Specialty

GastroenterologyAlso: Internal Medicine

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Decatur Morgan Primary CareGroup PAC ID 2860715521, 12 clinicians

Cambridge Public Health CommissionGroup PAC ID 8921910894, 654 clinicians

MainehealthGroup PAC ID 7517860588, 2,616 clinicians

Mercy Health Physicians Kentucky Specialty Care LLCGroup PAC ID 1456777069, 144 clinicians

Baystate Medical Practices IncGroup PAC ID 5991602971, 1,350 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mainehealth Pen Bay Hospital Hospital, Rockport, ME, CCN 200063
• Baystate Franklin Medical Center Hospital, Greenfield, MA, CCN 220016
• Cambridge Health Alliance Hospital, Cambridge, MA, CCN 220011
• Mercy Health - Lourdes Hospital Hospital, Paducah, KY, CCN 180102
• Decatur Morgan Hospital - Decatur Campus Hospital, Decatur, AL, CCN 010085

Merit-based Incentive Payment System (MIPS)

Final score

91.27 of 100Reported as group

Quality

77.51

Promoting interoperability

100

Improvement activities

40

Cost

76.72

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mkelso119172@direct.challiance.masshiway.net

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.

• Baystate Medical Practices, Inc

  • Emergency Medical Services (Emergency Medicine) Physician
  • Springfield, MA
  • NPI 1548205909

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Cambridge Public Health Commission

  dba Cambridge Health Alliance

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1932313228
  Medicare reassignment Care Compare group NPD
• Decatur Morgan Primary Care

  • Family Medicine Physician
  • Decatur, AL
  • NPI 1669889895
  Medicare reassignment Care Compare group NPD
• Mainehealth

  dba Mainehealth Behavioral Health

  • Psychiatric Hospital
  • Westbrook, ME
  • NPI 1790265502
  Medicare reassignment Care Compare group NPD
• Mercy Health Physicians Kentucky Specialty Care LLC

  • Surgery Physician
  • Paducah, KY
  • NPI 1700408093
  Medicare reassignment Care Compare group NPD
• Charlotte Gastroenterology & Hepatology, PLLC

  • Gastroenterology Physician
  • Huntersville, NC
  • NPI 1730100801
  Medicare reassignment NPD
• Decatur Digestive Diseases PC

  • Gastroenterology Physician
  • Decatur, AL
  • NPI 1245313519
  Medicare reassignment NPD
• Cambridge Public Health Commission

  dba Cambridge Health Alliance

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1487603585
  NPD
• Charlotte Gastroenterology & Hepatology, PLLC

  • Ambulatory Surgical Clinic/Center
  • Charlotte, NC
  • NPI 1851548655
  NPD
• Gi Partners of Alabama

  • Gastroenterology Physician
  • Decatur, AL
  • NPI 1356008940
  NPD
• Mainehealth

  dba MaineHealth Pharmacy Brighton Ave

  • Community/Retail Pharmacy
  • Portland, ME
  • NPI 1013868181
  NPD
• Mainehealth

  • Maternal & Fetal Medicine Physician
  • Portland, ME
  • NPI 1063726891
  NPD

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

• Baystate Franklin Medical Center

  • General Acute Care Hospital
  • Greenfield, MA
  • NPI 1508867391
  Care Compare affiliation
• Cambridge Public Health Commission

  • Clinic/Center
  • Cambridge, MA
  • NPI 1306908405

  Hospital

  Care Compare affiliation
• Cambridge Public Health Commission

  dba Cambridge Health Alliance

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1487603585
  Care Compare affiliation
• H H Health System-Morgan LLC

  dba Decatur Morgan Hospital-Decatur Campus

  • General Acute Care Hospital
  • Decatur, AL
  • NPI 1356692297
  Care Compare affiliation
• Mainehealth

  dba MaineHealth Pen Bay Hospital

  • General Acute Care Hospital
  • Rockport, ME
  • NPI 1982645305
  Care Compare affiliation
• Mercy Health-Lourdes Hospital LLC

  • Clinical Medical Laboratory
  • Paducah, KY
  • NPI 1245620640

  Hospital

  Care Compare affiliation
• Mercy Health-Lourdes Hospital LLC

  • General Acute Care Hospital
  • Paducah, KY
  • NPI 1346244126
  Care Compare affiliation

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

{
    "created_epoch": "1307923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1679868277",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1215 7TH ST SE STE G200",
            "city": "DECATUR",
            "state": "AL",
            "postal_code": "356013387",
            "telephone_number": "256-973-3225",
            "fax_number": "256-301-3860"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1493 CAMBRIDGE ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021391099",
            "telephone_number": "617-665-1552"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1215 7th St SE Ste G200",
            "address_purpose": "LOCATION",
            "city": "Decatur",
            "state": "AL",
            "postal_code": "356013387",
            "country_code": "US",
            "telephone_number": "256-973-3225",
            "fax_number": "256-301-3860",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4 Glen Cove Dr Ste 10",
            "address_purpose": "LOCATION",
            "city": "Rockport",
            "state": "ME",
            "postal_code": "048564235",
            "country_code": "US",
            "telephone_number": "207-301-5790",
            "fax_number": "207-301-5310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "225 Medical Center Dr Ste 308",
            "address_purpose": "LOCATION",
            "city": "Paducah",
            "state": "KY",
            "postal_code": "420037915",
            "country_code": "US",
            "telephone_number": "270-443-0777",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1340 Matthews Township Pkwy Ste 301",
            "address_purpose": "LOCATION",
            "city": "Matthews",
            "state": "NC",
            "postal_code": "281054681",
            "country_code": "US",
            "telephone_number": "704-377-4009",
            "fax_number": "704-844-2679",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KELSO",
        "first_name": "MICHAEL",
        "middle_name": "DONNELL",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-06-13",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "ME",
            "license": "MD29794",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NC",
            "license": "201700853",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "1017371",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "AL",
            "license": "MD.37611",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "KY",
            "license": "C4462",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shannon Kelly, LICSW, CPCC
• Susan Malkin Kelly, MD
• Matthew Kelsey, LICSW
• Peter V Kelsey, LICSW
• Gwendolyn Anne Kelso, PH.D.
• Damen Kelton, MSW, LICSW
• David Dix Kemmerer, PH.D.
• John Warner Kenagy, M.D.
• Kendall Psychological Associates, P.C.
• Kendall Square Therapeutic Health Center, P.C. (Harvard Square Chiropractic)

• Gastroenterology Physician in Cambridge, MA
• Providers in Cambridge, MA by specialty
• Gastroenterology Physician in Massachusetts

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