Charlotte Aronin Birnbaum, M.D.

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

289467 Issued in NY

Practice address

1600 Old Country Rd
Plainview, NY 11803-5013

Phone

(516) 394-0030

Fax

(516) 421-4604

NPI assigned

Apr 29, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Charlotte Geller Aronin Former name

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

Dermatology

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Optum Medical Care PCGroup PAC ID 9931013240, 1,013 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: cbirnbaum@directaddress.net
• Direct secure messaging: cbirnbaum@navaderm.emadirect.md

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.

• Optum Medical Care, P.C.

  dba CareMount Medical, P.C.

  • Cardiovascular Disease Physician
  • Mount Kisco, NY
  • NPI 1982643003

  Dermatology

  Medicare reassignment Care Compare group NPD
• Wesson Dermatology, PC

  • Dermatology Physician
  • Great Neck, NY
  • NPI 1346514411
  Medicare reassignment NPD
• Optum Medical Care, P.C.

  • Durable Medical Equipment & Medical Supplies
  • New Hyde Park, NY
  • NPI 1053190595
  NPD
• Mount Kisco Medical Group

  • Hematology (Internal Medicine) Physician
  • Fishkill, NY
  • NPI 1952356362

  Dermatology

  NPD (past)

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

{
    "created_epoch": "1398729600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1649680737",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 OLD COUNTRY RD",
            "city": "PLAINVIEW",
            "state": "NY",
            "postal_code": "118035013",
            "telephone_number": "516-394-0030",
            "fax_number": "516-421-4604"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 OLD COUNTRY RD",
            "city": "PLAINVIEW",
            "state": "NY",
            "postal_code": "118035013",
            "telephone_number": "516-394-0030",
            "fax_number": "516-421-4604"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BIRNBAUM",
        "first_name": "CHARLOTTE",
        "middle_name": "ARONIN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-29",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "NY",
            "license": "289467",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHARLOTTE",
            "last_name": "ARONIN",
            "middle_name": "GELLER",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Shaheer Bhatt, MD
• Rujuta Mayur Bhave
• Bhola N. Banik, M.D., PC
• Sahil Bhushan, DO
• Maria Alejandra Bianchi Rey, MD
• Joanne Marie Bisogno
• Jennifer Marie Bjorklund, MSED
• Black Diamond Roslyn, Inc. (Right at Home Nassau Suffolk)
• Susan V Blackmore, CPNP
• Heather Blank, OPTICIAN

• Dermatology Physician in Plainview, NY
• Providers in Plainview, NY by specialty
• Dermatology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 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.