Tiffany Hoang
NPI 1538695317 · Rheumatology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Hoang is a Rheumatology Physician provider in Phoenix, AZ (NPI 1538695317).
Provider details
- NPI number
- 1538695317
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 69735 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
671 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 256 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 163 | $120 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 160 | $154 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 67 | $171 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $88 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 145 | 54 |
| Methotrexate Sodiumbrand: Methotrexate | 92 | 42 |
| Hydroxychloroquine Sulfate | 83 | 43 |
| Colchicine | 33 | 18 |
| Leflunomide | 33 | 11 |
| Alendronate Sodium | 31 | 13 |
| Sulfasalazine | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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
- 2017-05-11
- Last updated
- 2023-09-13
- Certified
- 2023-09-13
Frequently asked questions
- What is Tiffany Hoang's NPI number?
- Tiffany Hoang's National Provider Identifier (NPI) is 1538695317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Hoang's specialty?
- Tiffany Hoang is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Tiffany Hoang located?
- Tiffany Hoang's practice location on file with NPPES is 1111 E Mcdowell Rd, Phoenix, AZ 85006-2612.
- What is Tiffany Hoang's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Hoang is (602) 839-2266.
- Does Tiffany Hoang accept Medicare?
- Tiffany Hoang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Hoang's NPI active?
- Yes — Tiffany Hoang's NPI (1538695317) is active in the NPPES registry as of the last update on 2023-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.