Alan I Blum, MD

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

136083 Issued in NY

Practice address

444 Merrick Rd
Lower Level 1
Lynbrook, NY 11563

Phone

(516) 593-9500

Fax

(516) 593-9048

NPI assigned

Nov 23, 2005

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NY

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

Pulmonary DiseaseAlso: Critical Care (Intensivists), Internal Medicine

Education

Other, 1977

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

City Medical of Upper East Side PLLCGroup PAC ID 0648465039, 658 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mount Sinai South Nassau Hospital, Oceanside, NY, CCN 330198

Merit-based Incentive Payment System (MIPS)

Final score

86.33 of 100Reported as group

Quality

82.1

Promoting interoperability

100

Improvement activities

40

Cost

72.34

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989

Interoperability endpoints

• Direct secure messaging: alanblum@pccc.allscriptsdirect.net
• Direct secure messaging: alan.blum.1@2983.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 and National Provider Directory roles.

• City Medical of Upper East Side, PLLC

  dba CityMD Urgent Care

  • Urgent Care Clinic/Center
  • New York, NY
  • NPI 1801277629
  Medicare reassignment Care Compare group NPD
• City Medical of Upper East Side, PLLC

  • Urgent Care Clinic/Center
  • Ozone Park, NY
  • NPI 1558980748
  NPD
• City Medical of Upper East Side, PLLC

  • Urgent Care Clinic/Center
  • New York, NY
  • NPI 1740913763
  NPD
• New York Pharmacy Network, LLC

  • Community/Retail Pharmacy
  • Lynbrook, NY
  • NPI 1841732237
  NPD (past)

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

• South Nassau Communities Hospital

  • General Acute Care Hospital
  • Oceanside, NY
  • NPI 1922079094
  Care Compare affiliation

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

{
    "created_epoch": "1132704000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1699758631",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "444 MERRICK RD",
            "city": "LYNBROOK",
            "state": "NY",
            "postal_code": "115632460",
            "telephone_number": "516-593-9500",
            "fax_number": "516-593-9048"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "444 MERRICK RD",
            "address_2": "LOWER LEVEL 1",
            "city": "LYNBROOK",
            "state": "NY",
            "postal_code": "11563",
            "telephone_number": "516-593-9500",
            "fax_number": "516-593-9048"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BLUM",
        "first_name": "ALAN",
        "middle_name": "I",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-11-23",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "NY",
            "license": "136083",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00765839",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Maria Christine Biondi, RD
• Melissa Diamond Bistrong
• Lavidia Blaise
• Alan Block, DDS
• Blossoming Cherry Mental Health Counseling Services P.C.
• Edna Blumstein, PH.D.
• Meyer Blumstein, MD
• Jennifer Boccio
• Vito Anthony Boits, DPT
• Marie Bontemps

• Pulmonary Disease Physician in Lynbrook, NY
• Providers in Lynbrook, NY by specialty
• Pulmonary Disease Physician in New York

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