Individual provider Active NPI

Shanmuga S. Pudunagar Subbiah, MD

  • Hematology & Oncology Physician
  • Upland, CA
National Provider Identifier
1699968503
Registry record updated Jul 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
A119729 Issued in CA
Practice address
1100 San Bernardino Rd Ste 1100
Upland, CA 91786-4952
Phone
(909) 949-2242
Fax
(909) 981-5783
NPI assigned
Aug 23, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X A119729 CA
Hematology & Oncology Physician 207RH0003X A119729 CA Primary

Addresses

Primary practice location

1100 San Bernardino Rd Ste 1100
Upland, CA 91786-4952

Mailing address

PO Box 512185
Los Angeles, CA 90051-0185

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address direct@cityofhope.direct-ci.com Direct CITY OF HOPE MEDICAL FOUNDATION

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20130325000311 CA Practitioner - Hematology/OncologyPractitioner - HematologyPractitioner - Medical Oncology 5193876373 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Hematology
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians
Emanate Health Medical Care FoundationGroup PAC ID 9830544980, 85 clinicians

Practice addresses (Care Compare)

1100 San Bernardino Rd
Suite 1100
Upland, CA 91786-4923
Phone (909) 949-2242

1115 S Sunset Ave
Suite 200
West Covina, CA 91790-3940
Phone (626) 732-8390

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.36 of 100Reported as group
Quality
60.04
Promoting interoperability
87
Improvement activities
40
Cost
69.31

Merit-based Incentive Payment System (MIPS)

Final score
82.35 of 100Reported as group
Quality
52.92
Promoting interoperability
93
Improvement activities
40
Cost
70.76

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Emanate Health Medical Group Current Accepting new patients
Emanate Health Medical Care Foundation CurrentSince Jan 1, 2024 Accepting new patients
City of Hope Medical Foundation Hematology & Oncology CurrentSince Sep 20, 2014 Accepting new patients
Clinic Services of California Medical Group Inc CurrentSince Aug 1, 2018 Accepting new patients
Subbiah and Krishnan Medical Corporation Hematology & Oncology CurrentSince Aug 30, 2023 Accepting new patients
Quantum Healthcare Medical Associates Inc. CurrentSince Jun 1, 2015 Accepting new patients
Emanate Health Medical Group CurrentSince Sep 1, 2023 Accepting new patients
Citrus Valley Physician Partners CurrentSince Sep 1, 2023 Accepting new patients
Emanate Health Medical Center Past Accepting new patients
San Dimas Community Hospital, Inc. Past Accepting new patients
Creighton University Hematology & Oncology Past Accepting new patients
Nebraska Medical Center Past Accepting new patients
San Antonio Regional Hospital Past Accepting new patients
St. Joseph Health Northern California, LLC Past Accepting new patients
Emanate Health Foothill Presbyterian Hospital Past Accepting new patients
Creighton University Past Accepting new patients
Ahmc San Gabriel Valley Medical Past Accepting new patients

Locations

400 N Pepper Ave
Colton, CA 92324
Phone (909) 580-1800

1280 Corona Pointe Ct
Ste 112
Corona, CA 92879
Phone (951) 736-0351

210 W San Bernardino Rd
Covina, CA 91723
Phone (626) 858-8580

1500 Duarte Rd
Duarte, CA 91010
Phone (626) 359-8111

440 W Foothill Blvd
Glendora, CA 91741
Phone (626) 963-9402

412 W Carroll Ave
Ste 108
Glendora, CA 91741
Phone (626) 852-0411

1502 Arrow Hwy
La Verne, CA 91750
Phone (909) 593-4333

23141 Verdugo Dr
Ste 201
Laguna Hills, CA 92653
Phone (310) 922-2537

1333 S Mayflower Ave
Fl 2
Monrovia, CA 91016
Phone (626) 775-3514

1601 Avocado Ave
Newport Beach, CA 92660
Phone (949) 763-2204

1910 Royalty Dr
Pomona, CA 91767
Phone (844) 400-2236

6939 Palm Ct
Riverside, CA 92506
Phone (760) 416-4832

209 Fair Oaks Ave
South Pasadena, CA 91030
Phone (626) 359-8111

1100 San Bernardino Rd
Ste 1100
Upland, CA 91786
Phone (909) 949-2242

1250 S Sunset Ave
Ste 303
West Covina, CA 91790
Phone (626) 856-5658

1115 S Sunset Ave
Ste 200
West Covina, CA 91790
Phone (626) 732-8390

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: ssubbiah18063@armc.direct.summit-healthcare.org
  • Direct secure messaging: ssubbiah15376@cityofhope.direct-ci.com
  • Direct secure messaging: direct@cityofhope.direct-ci.com

Organizations & group practices 17

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.

View all 17

Hospital & facility affiliations 8

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": "1187827200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752710400000",
    "number": "1699968503",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 512185",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900510185"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 SAN BERNARDINO RD STE 1100",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917864952",
            "telephone_number": "909-949-2242",
            "fax_number": "909-981-5783"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PUDUNAGAR SUBBIAH",
        "first_name": "SHANMUGA",
        "middle_name": "S.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-08-23",
        "last_updated": "2025-07-17",
        "certification_date": "2025-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CA",
            "license": "A119729",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A119729",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1500 Duarte Rd",
            "city": "Duarte",
            "state": "CA",
            "country_code": "US",
            "postal_code": "910103012",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Upland, CA

Sources for this page

Verify at the official NPI Registry.