Gargi Upadhyaya, M.D.
NPI 1013957190 · Medical Oncology Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gargi Upadhyaya, M.D. is a Medical Oncology Physician provider in Pasadena, CA (NPI 1013957190).
Provider details
- NPI number
- 1013957190
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A49787 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 115 | 35 |
| Leuprolide Acetatebrand: Lupron Depot | 72 | 13 |
| Epoetin Alfabrand: Procrit | 60 | 11 |
| Diphenhydramine Hcl | 48 | 13 |
| Ondansetron Hcl/Pfbrand: Ondansetron Hcl | 47 | 11 |
| Dexamethasone Sodium Phosphate | 46 | 11 |
| Apixabanbrand: Eliquis | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2020-01-02
- Certified
- 2020-01-02
Frequently asked questions
- What is Gargi Upadhyaya's NPI number?
- Gargi Upadhyaya's National Provider Identifier (NPI) is 1013957190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gargi Upadhyaya's specialty?
- Gargi Upadhyaya is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gargi Upadhyaya located?
- Gargi Upadhyaya's practice location on file with NPPES is 1121 Arden Rd, Pasadena, CA 91106.
- What is Gargi Upadhyaya's phone number?
- The practice phone number listed in the NPPES registry for Gargi Upadhyaya is (626) 256-4673.
- Does Gargi Upadhyaya accept Medicare?
- Gargi Upadhyaya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gargi Upadhyaya's NPI active?
- Yes — Gargi Upadhyaya's NPI (1013957190) is active in the NPPES registry as of the last update on 2020-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.