Anne Maria Grzegorczyk, M.D.

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

A154982 Issued in CA

Practice address

2700 Ygnacio Valley Rd Ste 100
Walnut Creek, CA 94598-3462

Phone

(925) 939-3050

NPI assigned

May 5, 2016

Sex

Female

Sole proprietor

No

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

Pulmonary DiseaseAlso: Critical Care (Intensivists)

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Muir Pulmonary Critical CareGroup PAC ID 3476449943, 13 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180
• John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as individual

Quality

89.92

Promoting interoperability

100

Improvement activities

40

Cost

78.23

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: agrzegorczyk162627@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 and National Provider Directory roles.

• Muir Pulmonary Critical Care

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

  Critical Care Medicine

  Medicare reassignment Care Compare group NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment NPD
• John Muir Trauma Physicians Billing Service

  • Trauma Surgery Physician
  • Walnut Creek, CA
  • NPI 1962551861
  NPD
• John Muir Health

  • Rehabilitation Hospital Unit
  • Walnut Creek, CA
  • NPI 1447269303
  NPD (past)
• John Muir Health

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  NPD (past)

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

• John Muir Health

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

  • 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": "1462406400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1713744000000",
    "number": "1720434004",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2700 YGNACIO VALLEY RD STE 100",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983462",
            "telephone_number": "925-939-3050"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2700 YGNACIO VALLEY RD STE 100",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983462",
            "telephone_number": "925-939-3050"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRZEGORCZYK",
        "first_name": "ANNE",
        "middle_name": "MARIA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-05-05",
        "last_updated": "2024-04-22",
        "certification_date": "2024-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A154982",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A154982",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lora Ann Groppetti, MS, MFT
• Clemens Martin Grosskinsky, PHD, MD
• Matthew Grossman
• Katrina Carol Groves-Rehwaldt, MD
• Ashley Berleen Gruendl, P.T.
• Katty Guardado
• Prathibha Gubbi Ravishankar, MD
• Caroline Gudorf, M.S.
• Jennifer Marie Guerra, MA
• Ofelia Guerra

• 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 Apr 22, 2024; 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.