Fannie Su, MD
NPI 1982738712 · Allergy & Immunology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fannie Su, MD is a Allergy & Immunology Physician provider in Walnut Creek, CA (NPI 1982738712).
Provider details
- NPI number
- 1982738712
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A85919 (CA)
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
19 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
3,310 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 1,709 | $5 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 282 | $19 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 253 | $109 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 196 | $18 |
| Professional Service for Multiple Injections of Allergen95117 | 195 | $17 |
| Test to Measure the Level of Nitric Oxide Gas95012 | 176 | $26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 240 | 68 |
| Azelastine Hcl | 169 | 66 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 156 | 41 |
| Fluticasone Propionate | 148 | 61 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 100 | 59 |
| Levocetirizine Dihydrochloride | 76 | 15 |
| Ipratropium Bromide | 64 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,080 across 85 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
- 2007-03-15
- Last updated
- 2023-03-07
Frequently asked questions
- What is Fannie Su's NPI number?
- Fannie Su's National Provider Identifier (NPI) is 1982738712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fannie Su's specialty?
- Fannie Su is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Fannie Su located?
- Fannie Su's practice location on file with NPPES is 130 La Casa Via, Walnut Creek, CA 94598-3045.
- What is Fannie Su's phone number?
- The practice phone number listed in the NPPES registry for Fannie Su is (925) 935-6252.
- Does Fannie Su accept Medicare?
- Fannie Su is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fannie Su's NPI active?
- Yes — Fannie Su's NPI (1982738712) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.