Lenna Alessandra Martyak, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

A87515 Issued in CA

Practice address

1301 20TH St Ste 280
Santa Monica, CA 90404-2053

Phone

(310) 829-6789

Fax

(310) 935-3163

NPI assigned

May 15, 2007

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA

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

Gastroenterology

Education

Georgetown University School of Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Providence Saint Johns Medical FoundationGroup PAC ID 0840548624, 282 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint John'S Health Center Hospital, Santa Monica, CA, CCN 050290

Merit-based Incentive Payment System (MIPS)

Final score

90.42 of 100Reported as group

Quality

96.07

Promoting interoperability

100

Improvement activities

40

Cost

71.98

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Digestive Health Associates of Southern California

  • Certified Registered Nurse Anesthetist
  • Santa Monica, CA
  • NPI 1639604747

  Gastroenterology

  Medicare reassignment NPD Authorized official
• Providence Saint Johns Medical Foundation

  • Specialist
  • Santa Monica, CA
  • NPI 1770093734
  Medicare reassignment Care Compare group NPD
• Digestive Health Associates of Southern California

  • Anatomic Pathology & Clinical Pathology Physician
  • Santa Monica, CA
  • NPI 1043098619
  NPD
• Brotman Medical Center, Inc.

  • Skilled Nursing Facility
  • Culver City, CA
  • NPI 1518997733
  NPD (past)
• Providence Saint John'S Health Center

  • General Acute Care Hospital
  • Santa Monica, CA
  • NPI 1124026273
  NPD (past)
• Regents Univ of Calif Los Angeles

  • Psychiatric Hospital
  • Los Angeles, CA
  • NPI 1952308363
  NPD (past)
• Saint John'S Health Clinic

  • Specialist
  • Santa Monica, CA
  • NPI 1336438902
  NPD (past)
• Southern California Healthcare System, Inc

  • Psychiatric Hospital Unit
  • Culver City, CA
  • NPI 1487905725
  NPD (past)
• St. Joseph Health Northern California, LLC

  • General Acute Care Hospital
  • Eureka, CA
  • NPI 1609858950
  NPD (past)
• The Regents of the University of California

  • General Acute Care Hospital
  • Santa Monica, CA
  • NPI 1982849105
  NPD (past)

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

• Providence Saint John'S Health Center

  • General Acute Care Hospital
  • Santa Monica, CA
  • NPI 1124026273
  Care Compare affiliation

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

{
    "created_epoch": "1179187200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1631577600000",
    "number": "1164638177",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1301 20TH ST 376",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904042087",
            "telephone_number": "310-829-6789",
            "fax_number": "310-935-3163"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1301 20TH ST STE 280",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904042053",
            "telephone_number": "310-829-6789",
            "fax_number": "310-935-3163"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTYAK",
        "first_name": "LENNA",
        "middle_name": "ALESSANDRA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-05-15",
        "last_updated": "2021-09-14",
        "certification_date": "2021-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A87515",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "lmartyak473369@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "1301 20th St Ste 280",
            "city": "Santa Monica",
            "state": "CA",
            "country_code": "US",
            "postal_code": "904042053",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Rafael Alexander Martinez Jr.
• Rosalba C Martinez
• Silvana Martino, D.O.
• Charles George Martone, D.C.
• Vanessa Martucci
• Sherry Marie Martyn, PH.D.
• Erin Maruoka
• Marvin J. Teitelbaum, MD, Prof Corp
• Mary Lee Amerian, MD a Medical Corp
• Mary McGregor Physical Therapy P C

• Gastroenterology Physician in Santa Monica, CA
• Providers in Santa Monica, CA by specialty
• Gastroenterology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 2021; 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.