NPIMap

Individual provider Active NPI

Jason Lee Massa, D.O.

  • Neurology Physician
  • Walnut Creek, CA
National Provider Identifier
1841636156
Registry record updated Oct 2, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
20A13615 Issued in CA
Practice address
675 Ygnacio Valley Rd
Ste A102
Walnut Creek, CA 94596-3882
Phone
(925) 938-5252
Fax
(925) 938-1343
NPI assigned
May 14, 2013
Last updated
Oct 2, 2020By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 2, 2020

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 20A13615 CA Primary

Addresses

Primary practice location

675 Ygnacio Valley Rd
Ste A102
Walnut Creek, CA 94596-3882

Mailing address

675 Ygnacio Valley Rd
Ste A102
Walnut Creek, CA 94596-3882
Phone (925) 938-5252

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, CA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20180306000689 PA Practitioner - Neurology 9830496272 Reassigns benefits to 1 organization
I20190701000588 CA Practitioner - Neurology 9830496272 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
East Bay Neurology IncGroup PAC ID 4587929815, 7 clinicians

Practice addresses (Care Compare)

111 Deerwood Rd
Suite 305
San Ramon, CA 94583-1530
Phone (925) 938-5252

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.15 of 100Reported as group
Quality
100
Promoting interoperability
100
Improvement activities
40
Cost
77.15

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
13615CAMDProfessional Counselor
20A13615CAMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
East Bay Neurology, Inc. Neurology CurrentSince Jul 1, 2019 Accepting new patients
University of Pittsburgh Physicians CurrentSince Nov 7, 2017 Accepting new patients
University of Pittsburgh Physicians Current Accepting new patients
University of Pittsburgh Physicians Neurology CurrentSince Nov 7, 2017 Accepting new patients
California Pacific Medical Group, Inc. Past Accepting new patients
Windber Hospital, Inc. Past Accepting new patients
John Muir Health Past Accepting new patients

Locations

111 Deerwood Rd
Ste 305
San Ramon, CA 94583
Phone (279) 204-1134

675 Ygnacio Valley Rd
Ste A102
Walnut Creek, CA 94596
Phone (925) 414-5226

2 Hot Metal St
#One
Pittsburgh, PA 15203
Phone (412) 432-5864

3471 5th Ave
Ste 810
Pittsburgh, PA 15213
Phone (412) 692-4607

Organizations & group practices 7

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1368489600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1601596800000",
    "number": "1841636156",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "675 YGNACIO VALLEY RD",
            "address_2": "STE A102",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945963882",
            "telephone_number": "925-938-5252",
            "fax_number": "925-938-1343"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 YGNACIO VALLEY RD",
            "address_2": "STE A102",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945963882",
            "telephone_number": "925-938-5252",
            "fax_number": "925-938-1343"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASSA",
        "first_name": "JASON",
        "middle_name": "LEE",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-05-14",
        "last_updated": "2020-10-02",
        "certification_date": "2020-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "20A13615",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.