Tiffanie DO, M.D.
NPI 1194251710 · Hematology & Oncology Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffanie DO, M.D. is a Hematology & Oncology Physician provider in Irvine, CA (NPI 1194251710).
Provider details
- NPI number
- 1194251710
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A157687 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 90 | 33 |
| Ondansetron Hcl | 45 | 28 |
| Dexamethasone | 44 | 15 |
| Prednisone | 33 | — |
| Abiraterone Acetate | 22 | — |
| Osimertinib Mesylatebrand: Tagrisso | 22 | — |
| Lenalidomide | 21 | — |
| Hydroxyurea | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-02
- Last updated
- 2023-10-27
- Certified
- 2023-08-23
Frequently asked questions
- What is Tiffanie DO's NPI number?
- Tiffanie DO's National Provider Identifier (NPI) is 1194251710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffanie DO's specialty?
- Tiffanie DO is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Tiffanie DO located?
- Tiffanie DO's practice location on file with NPPES is 6670 Alton Pkwy, Irvine, CA 92618-3734.
- What is Tiffanie DO's phone number?
- The practice phone number listed in the NPPES registry for Tiffanie DO is (833) 574-2273.
- Does Tiffanie DO accept Medicare?
- Tiffanie DO is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffanie DO's NPI active?
- Yes — Tiffanie DO's NPI (1194251710) is active in the NPPES registry as of the last update on 2023-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.