Individual provider Active NPI

Michael Zumwalt, M.D.

  • Dermatology Physician
  • Reno, NV
National Provider Identifier
1275947764
Registry record updated Jan 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
20704 Issued in NV
Practice address
640 W Moana LN
Reno, NV 89509-4903
Phone
(775) 324-0699
NPI assigned
Jun 12, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 20704 NV Primary

Addresses

Primary practice location

640 W Moana LN
Reno, NV 89509-4903

Mailing address

640 W Moana LN
Reno, NV 89509-4903
Phone (775) 324-0699

Other practice location 1

3950 Gs Richards Blvd
Carson City, NV 89703-8457
Phone (775) 882-8777

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, NV2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20170720003259 CA Practitioner - Dermatology 8628348844 Reassigns benefits to 1 organization
I20210218003056 NV Practitioner - DermatologyPractitioner - Micrographic Dermatologic Surgery (MDS) 8628348844 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
DermatologyAlso: Micrographic Dermatologic Surgery (MDS)
Education
Loma Linda University School of Medicine, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mountain West Derm - Blackhart PLLCGroup PAC ID 1153609813, 103 clinicians

Practice addresses (Care Compare)

3640 Warren Way
Reno, NV 89509-5240
Phone (775) 324-0699

3950 GS Richards Blvd
Carson City, NV 89703-8457
Phone (775) 882-8777

Hospital & facility affiliations

  • Eden Home Health Home health agency, Reno, NV, CCN 297035

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision384
Removal of skin lesions129
Removal of skin cancer1397
Skin biopsy168

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group Inc Dermatology Current Accepting new patients
Mountain West Derm - Blackhart PLLC CurrentSince Mar 1, 2021 Accepting new patients
Permanente Medical Group, Inc CurrentSince Feb 2, 2021 Accepting new patients
Mountain West Derm-Blackhart, PLLC Dermatology CurrentSince Mar 1, 2021 Accepting new patients
Permanente Medical Group Inc Dermatology CurrentSince Feb 2, 2021 Accepting new patients
Skin Cancer and Dermatology Institute Current Accepting new patients
Mt Grant General Hospital Past Accepting new patients
Prime Healthcare Services - Reno LLC Past Accepting new patients
Sparks Family Hospital Inc Past Accepting new patients
South Lyon Health Center, Inc. Past Accepting new patients

Locations

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

3950 Gs Richards Blvd
Carson City, NV 89703
Phone (775) 283-4080

1825 Pinion Rd
Ste F
Elko, NV 89801
Phone (775) 299-4778

3640 Warren Way
Ste 100
Reno, NV 89509

640 W Moana Ln
Reno, NV 89509
Phone (775) 882-8777

Interoperability endpoints

  • Direct secure messaging: mzumwalt@skincancerderm.emadirect.md

Organizations & group practices 10

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.

Hospital & facility affiliations 1

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": "1402531200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1275947764",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "640 W MOANA LN",
            "city": "RENO",
            "state": "NV",
            "postal_code": "895094903",
            "telephone_number": "775-324-0699"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "640 W MOANA LN",
            "city": "RENO",
            "state": "NV",
            "postal_code": "895094903",
            "telephone_number": "775-324-0699"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3950 Gs Richards Blvd",
            "address_purpose": "LOCATION",
            "city": "Carson City",
            "state": "NV",
            "postal_code": "897038457",
            "country_code": "US",
            "telephone_number": "775-882-8777",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZUMWALT",
        "first_name": "MICHAEL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-06-12",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "NV",
            "license": "20704",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Reno, NV

Sources for this page

Verify at the official NPI Registry.