DR. SHANMUGA S. PUDUNAGAR SUBBIAH MD
NPI 1699968503
Internal Medicine - Hematology & Oncology in Upland, CA

Active since August 23, 2007PECOS EnrolledAccepts Medicare Assignment
99.12/100
CMS Quality Rating
1100 SAN BERNARDINO RD STE 1100, UPLAND, CA 91786(909) 949-2242(909) 981-5783 Get Directions Write a Review

NPPES record last updated: July 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 10, 2024, Dec 13, 2023, Nov 17, 2023 and 3 more (6 updates tracked since 2017).

About Dr. Shanmuga S. Pudunagar Subbiah Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SHANMUGA S. PUDUNAGAR SUBBIAH MD (NPI 1699968503) is an individual hematology & oncology provider in Upland, California, licensed in California (A119729) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1699968503
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. SHANMUGA S. PUDUNAGAR SUBBIAHCredential: MD
Location Address1100 SAN BERNARDINO RD STE 1100Upland, CA 91786-4952
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185
Fax(909) 981-5783
Sole ProprietorYes
Medical School CMSOtherGraduated 1997
Enumeration DateAugust 23, 2007
Last NPPES UpdateJuly 17, 20256 updates tracked since enumeration
NPPES CertifiedJuly 17, 2025
NPI 1699968503 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in CA · A119729
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License A119729 (CA)
1100 SAN BERNARDINO RD STE 1100, Upland, CA 91786

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Shanmuga S. Pudunagar Subbiah Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193876373
PECOS Enrollment IDI20130325000311
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
3,395 services330 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
636 services178 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
490 services175 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
310 services275 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
190 services113 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
189 services87 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91786 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$179.42 typical visit price
range $59.60 – $179.42
Typical copayment $44.85 (range $14.90 – $44.85)
Most-billed visit code 99205
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.23
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier36 claims2,966 services$0.72 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
1 supplier27 claims27 services$18.92 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
1 supplier11 claims11 services$12.61 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
1100 SAN BERNARDINO RD STE 1100
UPLAND, CA 91786
Internal Medicine (Hematology & Oncology)
1100 SAN BERNARDINO RD STE 1100
UPLAND, CA 91786
Nurse Practitioner (Family)
1100 SAN BERNARDINO RD STE 1100
UPLAND, CA 91786
Surgery (Surgical Oncology)
1100 SAN BERNARDINO RD STE 1100
UPLAND, CA 91786
Physician Assistant
1100 SAN BERNARDINO RD STE 1100
UPLAND, CA 91786
Family Medicine (Hospice and Palliative Medicine)
1100 SAN BERNARDINO RD STE 1100
UPLAND, CA 91786
Internal Medicine (Hematology & Oncology)
1100 SAN BERNARDINO RD STE 1100
UPLAND, CA 91786
Radiology (Radiation Oncology)
1100 SAN BERNARDINO RD STE 1100
UPLAND, CA 91786

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Shanmuga Pudunagar Subbiah's NPI number?

The NPI number for Shanmuga Pudunagar Subbiah is 1699968503. It was assigned to this individual provider in the NPPES registry on August 23, 2007.

Where is Shanmuga Pudunagar Subbiah located?

Shanmuga Pudunagar Subbiah practices at 1100 San Bernardino Rd Ste 1100, Upland, CA 91786. The listed phone number is (909) 949-2242.

What is Shanmuga Pudunagar Subbiah's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Shanmuga Pudunagar Subbiah enrolled in Medicare?

Yes. Shanmuga Pudunagar Subbiah is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Shanmuga Pudunagar Subbiah was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.