Individual provider Active NPI

Malarkodi Gunasekaran, NP

  • Family Nurse Practitioner
  • Modesto, CA
National Provider Identifier
1023399557
Registry record updated May 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
NP95031073 Issued in CA
Practice address
600 Coffee Rd
Modesto, CA 95355-4201
Phone
(209) 550-4755
Fax
(510) 491-7522
NPI assigned
Aug 29, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 26, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X NP95031073 CA Primary
Nurse Practitioner 363L00000X 336902 NY

Addresses

Primary practice location

600 Coffee Rd
Modesto, CA 95355-4201

Mailing address

PO Box 255228
Sacramento, CA 95865-5228
Phone (800) 470-0071

Other practice location 1

130 Center Way
Corning, NY 14830-2255
Phone (607) 973-8027

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mgunasekaran15730@direct-guthrie.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20110921000104 NY Practitioner - Nurse Practitioner 8527239672 Reassigns benefits to 1 organization
I20250129002849 CA Practitioner - Nurse Practitioner 8527239672 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sutter Valley Medical FoundationGroup PAC ID 9830094515, 2,473 clinicians
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

2505 W Hammer LN
Stockton, CA 95209-2839
Phone (209) 957-7050

2545 W Hammer LN
Stockton, CA 95209-2839
Phone (209) 957-7050

2800 L St
Sacramento, CA 95816-5616

600 Coffee Rd
Modesto, CA 95355-4201
Phone (209) 524-1211

795 El Camino Real
Palo Alto, CA 94301-2302
Phone (415) 600-1020

815 Court St
Jackson, CA 95642-2154

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
NP95031073CAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Guthrie Medical Group, P.C. CurrentSince Jan 6, 2014 Accepting new patients
Sutter Valley Medical Foundation CurrentSince Jan 21, 2025 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Apr 1, 2025 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Apr 1, 2025 Accepting new patients
Sutter Valley Medical Foundation CurrentSince Jan 21, 2025 Accepting new patients
Guthrie Medical Group, P.C. CurrentSince Jan 6, 2014 Accepting new patients
Chemung Medical Services PC Past Accepting new patients
Delphi Healthcare PLLC Nurse Practitioner Past Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients
Fort Edward Rescue Squad Inc Past Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients
Guthrie Medical Group PC Past Accepting new patients

Locations

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

2720 Low Ct
Fairfield, CA 94534
Phone (707) 428-2731

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

815 Court St
Ste 7
Jackson, CA 95642
Phone (209) 257-5900

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

2800 L St
Ste 500
Sacramento, CA 95816
Phone (916) 454-6850

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

10200 Trinity Pkwy
Ste 101
Stockton, CA 95219
Phone (209) 323-3488

550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865

250 W Main St
Woodland, CA 95695
Phone (916) 668-6100

130 Center Way
Corning, NY 14830
Phone (607) 936-9971

1 Guthrie Sq
Sayre, PA 18840
Phone (570) 887-3106

Interoperability endpoints

  • Direct secure messaging: mgunasekaran15730@direct-guthrie.org
  • Direct secure messaging: mgunasekaran708007@hisp.ehr.sutterhealth.org

Organizations & group practices 12

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.

NPI Registry JSON

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

{
    "created_epoch": "1314576000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779753600000",
    "number": "1023399557",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 255228",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958655228",
            "telephone_number": "800-470-0071",
            "fax_number": "916-854-6769"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 COFFEE RD",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953554201",
            "telephone_number": "209-550-4755",
            "fax_number": "510-491-7522"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "130 Center Way",
            "address_purpose": "LOCATION",
            "city": "Corning",
            "state": "NY",
            "postal_code": "148302255",
            "country_code": "US",
            "telephone_number": "607-973-8027",
            "fax_number": "607-973-8161",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUNASEKARAN",
        "first_name": "MALARKODI",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-08-29",
        "last_updated": "2026-05-26",
        "certification_date": "2026-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "NP95031073",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "NY",
            "license": "336902",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mgunasekaran15730@direct-guthrie.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "130 Center Way",
            "city": "Corning",
            "state": "NY",
            "country_code": "US",
            "postal_code": "148302255",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Modesto, CA

Sources for this page

Verify at the official NPI Registry.