Alexander Katz, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

254924-01 Issued in NY

Practice address

331 Kings Hwy
Brooklyn, NY 11223-1443

Phone

(646) 490-0017

Fax

(718) 889-7563

NPI assigned

Aug 19, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MA, NY2 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

Family PracticeAlso: Internal Medicine

Education

Other, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mass General Brigham Medical Group Northern Massachusetts IncGroup PAC ID 3577467224, 817 clinicians

Be Well Primary Health Care Center LLCGroup PAC ID 2062305030, 44 clinicians

Berkshire Medical Center IncGroup PAC ID 1355232711, 195 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Berkshire Medical Center Hospital, Pittsfield, MA, CCN 220046
• North Adams Regional Hospital Corporation Hospital, North Adams, MA, CCN 221304
• North Shore Medical Center - Hospital, Salem, MA, CCN 220035
• Fairview Hospital Hospital, Great Barrington, MA, CCN 221302

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles (11 of 15)

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: katz.alexander.nsmc@direct.partners.masshiway.net

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.

• Amk Medical PC

  • Family Medicine Physician
  • Brooklyn, NY
  • NPI 1285460667
  Medicare reassignment NPD Authorized official
• Be Well Primary Health Care Center, LLC

  • Multi-Specialty Clinic/Center
  • Brooklyn, NY
  • NPI 1083623409
  Medicare reassignment Care Compare group NPD
• Berkshire Medical Center, Inc

  • General Acute Care Hospital
  • Pittsfield, MA
  • NPI 1295765261
  Medicare reassignment Care Compare group NPD
• Mass General Brigham Medical Group Northern Massachusetts Inc

  • Emergency Medicine Physician
  • Salem, MA
  • NPI 1588606123
  Medicare reassignment Care Compare group NPD
• E & a Medical Solutions LLC

  • Multi-Specialty Clinic/Center
  • Bronx, NY
  • NPI 1730441791
  Medicare reassignment NPD
• KS Medical, PC

  • Family Medicine Physician
  • Brooklyn, NY
  • NPI 1295131506
  Medicare reassignment NPD
• North Adams Regional Hospital Corporation

  • Critical Access Hospital
  • North Adams, MA
  • NPI 1316727761
  Medicare reassignment NPD
• Berkshire Medical Center Inc.

  • Community/Retail Pharmacy
  • North Adams, MA
  • NPI 1932649753
  NPD
• North Adams Regional Hospital Corporation

  • Critical Access Hospital
  • North Adams, MA
  • NPI 1437839669
  NPD
• North Shore Medical Center, Inc.

  • General Acute Care Hospital
  • Salem, MA
  • NPI 1730121633
  NPD
• MBD Care LLC

  • Clinic/Center
  • Staten Island, NY
  • NPI 1538042650
  NPD (past)

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

• Berkshire Medical Center, Inc

  • General Acute Care Hospital
  • Pittsfield, MA
  • NPI 1295765261
  Care Compare affiliation
• Fairview Hospital

  • Critical Access Hospital
  • Great Barrington, MA
  • NPI 1730112251
  Care Compare affiliation
• North Adams Regional Hospital Corporation

  • Critical Access Hospital
  • North Adams, MA
  • NPI 1437839669
  Care Compare affiliation
• North Shore Medical Center, Inc.

  • General Acute Care Hospital
  • Salem, MA
  • NPI 1730121633
  Care Compare affiliation

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

{
    "created_epoch": "1155945600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1699889261",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1657 HEWLETT HEATH RD",
            "city": "HEWLETT",
            "state": "NY",
            "postal_code": "115571704",
            "telephone_number": "646-490-0017",
            "fax_number": "718-889-7563"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "331 KINGS HWY",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112231443",
            "telephone_number": "646-490-0017",
            "fax_number": "718-889-7563"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KATZ",
        "first_name": "ALEXANDER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-19",
        "last_updated": "2025-09-25",
        "certification_date": "2025-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "254924-01",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MA",
            "license": "226433",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "KATZ.Alexander.NSMC@direct.partners.masshiway.net",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "KATZ.Alexander.NSMC@direct.partners.masshiway.net",
            "address_1": "17 Persimmon Ln",
            "city": "Holmdel",
            "state": "NJ",
            "country_code": "US",
            "postal_code": "077332768",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Aanchal Katyal
• Danielle L Katz-Egert, M,S., SLP
• Aleks Katz, DPM
• Alex Katz, DPM
• Alex Katz, PHARMD
• Alexander Zev Katz, DPT
• Aliza Katz
• Amanda Michelle Katz, MD
• Anya Katz
• Arlyne Katz, NP, NMD

• Family Medicine Physician in Brooklyn, NY
• Providers in Brooklyn, NY by specialty
• Family Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 2025; 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.