Marcus Sidney Shaker, M.D.

Primary specialty

Allergy PhysicianTaxonomy code 207KA0200X

License

12538 Issued in NH

Practice address

1 Medical Center Dr
Lebanon, NH 03756-1000

Phone

(603) 653-9885

Fax

(603) 640-1228

NPI assigned

Aug 15, 2006

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 2

Medicare fee-for-service enrollment

Enrolled in NH

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

Allergy/ImmunologyAlso: Pediatric Medicine

Education

University of Virginia School of Medicine, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mary Hitchcock Memorial HospitalGroup PAC ID 4486561164, 1,269 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mary Hitchcock Memorial Hospital Hospital, Lebanon, NH, CCN 300003

Merit-based Incentive Payment System (MIPS)

Final score

79.66 of 100Reported as apm

Quality

53.51

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

79.66 of 100Reported as apm

Quality

53.51

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mshaker16382@direct.dartmouth-hitchcock.org
• FHIR API: https://fhir4.healow.com/fhir/r4/IHEABA

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.

• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Medicare reassignment Care Compare group NPD
• Dartmouth-Hitchcock Clinic

  • Internal Medicine Physician
  • Lebanon, NH
  • NPI 1548210198
  Medicare reassignment NPD
• Mary Hitchcock Memorial Hospital

  • Psychiatric Hospital
  • Hampstead, NH
  • NPI 1699584219
  NPD
• Peninsula Allergy & Asthma Associates P a

  • Allergy & Immunology Physician
  • Salisbury, MD
  • NPI 1912056243
  NPD (past)

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

• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Care Compare affiliation
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1629788237
  Care Compare affiliation

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

{
    "created_epoch": "1155600000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767916800000",
    "number": "1679686836",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 MEDICAL CENTER DR",
            "city": "LEBANON",
            "state": "NH",
            "postal_code": "037561000",
            "telephone_number": "603-653-9885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 MEDICAL CENTER DR",
            "city": "LEBANON",
            "state": "NH",
            "postal_code": "037561000",
            "telephone_number": "603-653-9885",
            "fax_number": "603-640-1228"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHAKER",
        "first_name": "MARCUS",
        "middle_name": "SIDNEY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-15",
        "last_updated": "2026-01-09",
        "certification_date": "2026-01-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207KA0200X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology, Allergy",
            "state": "NH",
            "license": "12538",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30204685",
            "state": "NH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1010922",
            "state": "VT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Nidhi D Shah, MD
• Parth S Shah, M.D
• Ruta Shah, M.D.
• Abhishek Shahapurkar, MD
• Shayhaan Shahbaaz Shaikh
• Moira A Shanahan, M.D.
• Jil Fitch Shangraw, RD, LD
• Paul Alexander Shank
• Kate J Shaper, APRN
• Yael Noa Shapiro, MD

• Allergy Physician in Lebanon, NH
• Providers in Lebanon, NH by specialty
• Allergy Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 9, 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.