Ramesh V Nathan, MD

Primary specialty

Infectious Disease PhysicianTaxonomy code 207RI0200X

License

A77898 Issued in CA

Practice address

375 Rolling Oaks Dr Ste 210
Thousand Oaks, CA 91361-1028

Phone

(805) 495-1073

Fax

(805) 495-5836

NPI assigned

Oct 11, 2006

Last updated

Aug 18, 2025By the provider in NPPES

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

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

Infectious DiseaseAlso: Internal Medicine

Education

George Washington University School of Medicine, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mark H Mazur MD and Barry Statner MD a Professional CorporationGroup PAC ID 1254373806, 15 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Angels of Summit Home Health Home health agency, Simi Valley, CA, CCN 058442
• Assisted Home Care Home health agency, Mission Hills, CA, CCN 557089
• Access TLC Home Health Care Home health agency, San Fernando, CA, CCN 058366
• Los Robles Hospital & Medical Center Hospital, Thousand Oaks, CA, CCN 050549
• Adventist Health Simi Valley Hospital, Simi Valley, CA, CCN 050236
• Northridge Hospital Medical Center Hospital, Northridge, CA, CCN 050116

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as individual

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mark H Mazur MD & Barry Statner MD a Professional Corporation

  • Infectious Disease Physician
  • Thousand Oaks, CA
  • NPI 1376631341
  Medicare reassignment Care Compare group NPD
• Telehealth Specialty Medical Group

  dba TeleMed2U

  • Emergency Medicine Physician
  • Roseville, CA
  • NPI 1326338237

  Infectious Disease

  Medicare reassignment NPD
• Simi Valley Hospital and Health Care Services

  • General Acute Care Hospital
  • Simi Valley, CA
  • NPI 1063495190
  NPD (past)
• Tele-Medicine Services Ny, PLLC

  • Internal Medicine Physician
  • Roseville, CA
  • NPI 1609663780
  NPD (past)
• Metro Infectious Disease Consultants, LLC

  • Infectious Disease Physician
  • Plymouth, MI
  • NPI 1841530250
  NPD (past)
• Metro Infusion Center PLLC

  • Infectious Disease Physician
  • Temple Terrace, FL
  • NPI 1659862860
  NPD (past)

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

• Assisted Home Recovery, Inc.

  dba Assisted Home Care

  • Home Health Agency
  • Mission Hills, CA
  • NPI 1033156765
  Care Compare affiliation
• Assisted Home Recovery, Inc.

  dba Assisted Home Care

  • Home Health Agency
  • Thousand Oaks, CA
  • NPI 1831141845
  Care Compare affiliation
• Dignity Community Care

  dba Northridge Hospital Medical Center

  • General Acute Care Hospital
  • Northridge, CA
  • NPI 1417089350
  Care Compare affiliation
• Los Robles Regional Medical Center

  dba Los Robles Hospital & Medical Center

  • General Acute Care Hospital
  • Thousand Oaks, CA
  • NPI 1306890389
  Care Compare affiliation
• Simi Valley Hospital and Health Care Services

  • General Acute Care Hospital
  • Simi Valley, CA
  • NPI 1063495190
  Care Compare affiliation
• Summit Home Health, Inc

  dba Angels of Summit Home Health

  • Home Health Agency
  • Simi Valley, CA
  • NPI 1366528408
  Care Compare affiliation
• Vital Plus Home Health Care

  dba Access TLC Home Health Care

  • Case Manager/Care Coordinator
  • San Fernando, CA
  • NPI 1619045176

  Home health agency

  Care Compare affiliation

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

{
    "created_epoch": "1160524800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1215025291",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "375 ROLLING OAKS DR STE 210",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913611028",
            "telephone_number": "805-495-1073",
            "fax_number": "805-495-5836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "375 ROLLING OAKS DR STE 210",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913611028",
            "telephone_number": "805-495-1073",
            "fax_number": "805-495-5836"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NATHAN",
        "first_name": "RAMESH",
        "middle_name": "V",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-11",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CA",
            "license": "A77898",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shahrukh Naseer, MD
• Ashraf N. Nashed, MD
• Saifullah Nasim, MD
• Imaad Nasir, MD
• Jonathan Nasseri, M.D.
• Arielle Rae Nathanson
• National Birth Centers, Inc.
• National Institute of Neuroscience Inc
• Natural Healthcare Center
• Aracely Nava

• Infectious Disease Physician in Thousand Oaks, CA
• Providers in Thousand Oaks, CA by specialty
• Infectious Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.