Manjari Nathan, M.D.

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

A80974 Issued in CA

Practice address

2637 Shadelands Dr
Walnut Creek, CA 94598-2512

Phone

(925) 944-0166

Fax

(925) 944-6355

NPI assigned

May 13, 2008

Last updated

Mar 3, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

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

Pulmonary DiseaseAlso: Critical Care (Intensivists), Sleep Medicine

Education

Other, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Bass Medical GroupGroup PAC ID 9032111281, 292 clinicians

Inpatient Specialists of California PCGroup PAC ID 3476864448, 373 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180
• Contra Costa Regional Medical Center Hospital, Martinez, CA, CCN 050276
• John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496

Merit-based Incentive Payment System (MIPS)

Final score

83.63 of 100Reported as group

Quality

67.56

Improvement activities

40

Cost

71.56

Merit-based Incentive Payment System (MIPS)

Final score

99.6 of 100Reported as individual

Quality

85.29

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mnathan16845@ehr.johnmuirhealth.com

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.

• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405
  Medicare reassignment Care Compare group NPD
• Inpatient Specialists of California, PC

  • Internal Medicine Physician
  • San Bernardino, CA
  • NPI 1952792475
  Medicare reassignment Care Compare group NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment NPD
• Muir Pulmonary Critical Care

  • Pulmonary Disease Physician
  • Walnut Creek, CA
  • NPI 1245225861

  Critical Care Medicine

  Medicare reassignment NPD
• Contra Costa County

  dba West County Adult Mental Health Services

  • Adult Mental Health Clinic/Center
  • San Pablo, CA
  • NPI 1376620336
  Medicare reassignment
• Ahi Solutions, Inc.

  • Clinical Medical Laboratory
  • Oakland, CA
  • NPI 1568694792
  NPD
• Bass Medical Group

  • Specialist
  • Walnut Creek, CA
  • NPI 1154401941
  NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • San Ramon, CA
  • NPI 1467329904
  NPD
• John Muir Trauma Physicians Billing Service

  • Trauma Surgery Physician
  • Walnut Creek, CA
  • NPI 1962551861
  NPD
• Alta Bates Summit Medical Center

  dba Merritt Peralta Insititute

  • Substance Use Disorder Rehabilitation Hospital Unit
  • Oakland, CA
  • NPI 1043358542
  NPD (past)
• Eden Medical Center/San Leandro Hospital Campus

  dba San Leandro Hospital

  • Rehabilitation Hospital Unit
  • San Leandro, CA
  • NPI 1679523633
  NPD (past)
• Inpatient Management Medical Group Inc

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1093729915
  NPD (past)

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

• Contra Costa County

  dba Contra Costa Health

  • General Acute Care Hospital
  • Martinez, CA
  • NPI 1386719086
  Care Compare affiliation
• John Muir Health

  dba John Muir Health, Walnut Creek Medical Center

  • General Acute Care Hospital
  • Walnut Creek, CA
  • NPI 1740215219
  Care Compare affiliation
• John Muir Health

  dba John Muir Health Medical Center, Concord Campus

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  Care Compare affiliation

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

{
    "created_epoch": "1210636800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740960000000",
    "number": "1033386503",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-944-0166",
            "fax_number": "925-944-6355"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-944-0166",
            "fax_number": "925-944-6355"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "130 La Casa Via",
            "address_2": "Bldg.#2, Suite 208",
            "address_purpose": "LOCATION",
            "city": "Walnut Creek",
            "state": "CA",
            "postal_code": "945983045",
            "country_code": "US",
            "telephone_number": "925-944-0166",
            "fax_number": "925-944-6355",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NATHAN",
        "first_name": "MANJARI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-05-13",
        "last_updated": "2025-03-03",
        "certification_date": "2025-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A80974",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A80974",
            "primary": true
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "CA",
            "license": "A80974",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lacy Jay Nasseh, FNP
• Morad Nasseri, M.D.
• Natalie C Renda MD Inc
• Akshitha Saroj Natarajan
• Kishore Nath, M.D.
• Mark D Nathan, MD
• David Nathanson
• National Psychiatric Care and Rehabilitation Services
• Bridget Nava, MSW
• Gloria Navarrete

• Pulmonary Disease Physician in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Pulmonary Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 3, 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.