Mark H. Katz, MD

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

240823 Issued in MA

Practice address

725 Albany St, Suite 3B
Shapiro BLDG
Boston, MA 02118-2526

Phone

(617) 638-8485

Fax

(617) 414-7372

NPI assigned

Mar 18, 2009

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 MA

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

Urology

Education

Boston University School of Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Boston University Medical Center Urologists, Inc.Group PAC ID 9234105875, 11 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Boston Medical Center Hospital, Boston, MA, CCN 220031
• Good Samaritan Medical Center Hospital, Brockton, MA, CCN 220111

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mkatz10808@direct.bmc.masshiway.net
• Direct secure messaging: mark.katz.1@2017.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.

• Boston University Medical Center Urologists, Inc.

  • Urology Physician
  • Boston, MA
  • NPI 1871531772
  Medicare reassignment Care Compare group NPD
• BMC Affiliated Physicians, Inc.

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1245320910
  Medicare reassignment NPD
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  NPD (past)

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

• Boston Medical Center

  • Clinic/Center
  • Dorchester, MA
  • NPI 1487844726

  Hospital

  Care Compare affiliation
• Boston Medical Center - South Corporation

  • General Acute Care Hospital
  • Brockton, MA
  • NPI 1871329110
  Care Compare affiliation
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1164177028
  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • South Boston, MA
  • NPI 1225228679

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Roslindale, MA
  • NPI 1386718823

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Dorchester, MA
  • NPI 1780874677

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1861683518

  Hospital

  Care Compare affiliation
• Medical Associates of Ebnhc

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1255451597

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1237334400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770768000000",
    "number": "1437390507",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "960 MASSACHUSETTS AVE",
            "address_2": "FL 2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 ALBANY ST, SUITE 3B",
            "address_2": "SHAPIRO BLDG",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182526",
            "telephone_number": "617-638-8485",
            "fax_number": "617-414-7372"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11 Nevins Street",
            "address_2": "Suite 303 - Urology",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MA",
            "postal_code": "02135",
            "country_code": "US",
            "telephone_number": "617-787-8181",
            "fax_number": "617-787-4644",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "736 Cambridge St",
            "address_2": "Urology Inpatient",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MA",
            "postal_code": "02135",
            "country_code": "US",
            "telephone_number": "617-787-8181",
            "fax_number": "617-787-4644",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KATZ",
        "first_name": "MARK",
        "middle_name": "H.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-03-18",
        "last_updated": "2026-02-11",
        "certification_date": "2026-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "MA",
            "license": "240823",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3115617",
            "state": "NH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110216741A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julia Katz
• Juliana Katz
• Leanna Wertheimer Katz, MS, OTD, OTR/L
• Liza A Katz
• Luca Katz
• Marshall S Katz, M.D.
• Michelle Katz, MD
• Nathan Katz, MD
• Nicole Katz
• Samuel G Katz, M.D., PH.D.

• Urology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Urology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 11, 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.