Mark Spencer, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

033719 Issued in CT

Practice address

114 Woodland St
Hartford, CT 06105-1208

Phone

(860) 714-6654

Fax

(860) 714-8110

NPI assigned

May 16, 2006

Last updated

Jul 13, 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CT, MA2 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

Anesthesiology

Education

Georgetown University School of Medicine, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Woodland Anesthesia Associates PCGroup PAC ID 8820083652, 172 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Medical Ctr Hospital, Springfield, MA, CCN 220066
• St Francis Hospital & Medical Center Hospital, Hartford, CT, CCN 070002
• Baystate Medical Center Hospital, Springfield, MA, CCN 220077

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: mark.spencer.1@31837.direct.athenahealth.com

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.

• Woodland Anesthesia Associates PC

  • Anesthesiology Physician
  • Hartford, CT
  • NPI 1437109824

  MA

  Medicare reassignment Care Compare group

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

• Saint Francis Hospital and Medical Center

  • Psychiatric Hospital Unit
  • Hartford, CT
  • NPI 1144234428
  Care Compare affiliation
• Saint Francis Hospital and Medical Center

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1407833486
  Care Compare affiliation
• Saint Francis Hospital and Medical Center

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1871713495
  Care Compare affiliation
• Baystate Medical Center Inc

  dba Baystate Medical Center

  • General Acute Care Hospital
  • Springfield, MA
  • NPI 1487655064
  Care Compare affiliation
• Baystate Medical Center Inc

  dba Baystate Reference Laboratories

  • Clinical Medical Laboratory
  • Springfield, MA
  • NPI 1568488450

  Hospital

  Care Compare affiliation
• The Mercy Hospital Inc

  dba Mercy Medical Center

  • General Acute Care Hospital
  • Springfield, MA
  • NPI 1043204316
  Care Compare affiliation
• The Mercy Hospital Inc

  dba Mercy Rehabilitation Hospital

  • Rehabilitation Hospital Unit
  • Springfield, MA
  • NPI 1750360798
  Care Compare affiliation

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

{
    "created_epoch": "1147737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1508818097",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "114 WOODLAND ST",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061051208",
            "telephone_number": "860-714-6654",
            "fax_number": "860-714-8110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "114 WOODLAND ST",
            "city": "HARTFORD",
            "state": "CT",
            "postal_code": "061051208",
            "telephone_number": "860-714-6654",
            "fax_number": "860-714-8110"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPENCER",
        "first_name": "MARK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-16",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CT",
            "license": "033719",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Juliana M Spagnuolo, PA-C
• Lindsey Lee Spann
• Jeffrey Peter Spear, MD
• Spectrum Healthcare Hartford, LLC (Park Place Health Center)
• Novelette Spence, LCSW
• SPH2 Enterprise, LLC (Care Dental Center)
• Timothy A Spichiger, DO
• Linda M Spiegel, APRN BC
• Joshua L Spieker, RD
• Matthew Spilka, CRNA

• Anesthesiology Physician in Hartford, CT
• Providers in Hartford, CT by specialty
• Anesthesiology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.