Barnett J. W. Grier Jr., M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A23617 Issued in CA

Practice address

231 W Vernon Ave Ste 201
Los Angeles, CA 90037-2779

Phone

(323) 828-7929

NPI assigned

Mar 15, 2007

Last updated

Jul 10, 2022By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

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

Family PracticeAlso: Internal Medicine

Education

University of California, Geffen School of Medicine, 1968

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Eastern Plumas Health Care DistrictGroup PAC ID 4587576889, 31 clinicians

Apogee Health Solutions LPCGroup PAC ID 0749679371, 2 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Quincy Home Medical Services Home health agency, Quincy, CA, CCN 058258
• Eastern Plumas Hospital - Portola Campus Hospital, Portola, CA, CCN 051300

Merit-based Incentive Payment System (MIPS)

Final score

75.06 of 100Reported as group

Quality

83.97

Promoting interoperability

88

Improvement activities

40

Cost

42.89

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: barnettgrierjr-motivationalrecoveryservices@lacsapc.netsmartdirect.net
• Direct secure messaging: bgrier@ephc.securechart.com

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

• Ocean Side Home Health Services Inc

  • Home Health Agency
  • Los Angeles, CA
  • NPI 1114927985

  Contracted Managing Employee

  CMS ownership

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.

• Apogee Health Solutions LPC

  • Internal Medicine Physician
  • Riverside, CA
  • NPI 1205599024
  Medicare reassignment Care Compare group NPD
• Eastern Plumas Health Care District

  • Critical Access Hospital
  • Portola, CA
  • NPI 1245236850
  Medicare reassignment Care Compare group NPD
• Garden of Friends Foundation

  • Internal Medicine Physician
  • Sun City, CA
  • NPI 1578367835
  Medicare reassignment NPD
• Grier Health Professionals PC

  • Multi-Specialty Clinic/Center
  • Los Angeles, CA
  • NPI 1841034865
  NPD Authorized official
• Eastern Plumas Health Care District

  dba Eastern Plumas Health Care

  • Critical Access Hospital
  • Portola, CA
  • NPI 1326044140
  Medicare reassignment
• Socalphysicianshousecallcorp

  dba Southern California Physicians House Call Corporation

  • Family Medicine Physician
  • Los Angeles, CA
  • NPI 1104555366
  Authorized official Same address or phone
• Eastern Plumas Health Care District

  dba Eastern Plumas Health Care

  • Critical Access Hospital
  • Portola, CA
  • NPI 1982600920
  NPD
• Eastern Plumas Health Care Home Health

  • Home Health Agency
  • Portola, CA
  • NPI 1043216849
  NPD
• Grier Health Pros PC

  • Health Service Clinic/Center
  • Los Angeles, CA
  • NPI 1972341006

  Family Medicine

  NPD
• Los Angeles County Department of Public Health

  • Public Health or Welfare Agency
  • Alhambra, CA
  • NPI 1700090834
  NPD
• Eastern Plumas Health Care District

  dba Eastern Plumas Health Care

  • Medicare Defined Swing Bed Hospital Unit
  • Portola, CA
  • NPI 1164428967
  NPD (past)
• Metro Medical Associates, Inc

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1386917326
  NPD (past)

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

• Eastern Plumas Health Care District

  dba Eastern Plumas Health Care

  • Critical Access Hospital
  • Portola, CA
  • NPI 1326044140
  Care Compare affiliation
• Eastern Plumas Health Care District

  dba Eastern Plumas Health Care

  • Critical Access Hospital
  • Portola, CA
  • NPI 1982600920
  Care Compare affiliation
• Quincy Home Medical Services

  • Home Health Agency
  • Quincy, CA
  • NPI 1306873351
  Care Compare affiliation

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

{
    "created_epoch": "1173916800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1657411200000",
    "number": "1932233665",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1214 IDAHO AVE",
            "address_2": "#5",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904033054",
            "telephone_number": "323-828-7929",
            "fax_number": "310-564-7760"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "231 W VERNON AVE STE 201",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900372779",
            "telephone_number": "323-828-7929"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "480 1st Ave",
            "address_purpose": "LOCATION",
            "city": "Portola",
            "state": "CA",
            "postal_code": "961229405",
            "country_code": "US",
            "telephone_number": "530-832-6600",
            "fax_number": "530-832-5968",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "14718 Hawthorne Blvd",
            "address_purpose": "LOCATION",
            "city": "Lawndale",
            "state": "CA",
            "postal_code": "902601523",
            "country_code": "US",
            "telephone_number": "323-828-7929",
            "fax_number": "310-564-7760",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRIER",
        "first_name": "BARNETT",
        "middle_name": "J. W.",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-15",
        "last_updated": "2022-07-10",
        "certification_date": "2022-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A23617",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A23617",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thomas Arthur Grieder, MD, PHD
• Matthew D Griego
• John Frederick Grienenberger, PH.D.
• Grier Health Professionals PC
• Grier Health Pros PC
• Carey Malika Grier
• Jacqueline M Grier, FNP
• Malaika Thressia Grier
• Audrey Griesbach, M.D.
• Mark Grieshaber, MFT

• Internal Medicine Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 2022; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; 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.