Lauren Hiyama, M.D.
NPI 1215025275 · Allergy & Immunology Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Hiyama, M.D. is a Allergy & Immunology Physician provider in Fresno, CA (NPI 1215025275).
Provider details
- NPI number
- 1215025275
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A84500 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
12,883 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) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 5,860 | $15 |
| Professional Service for Multiple Injections of Allergen95117 | 3,067 | $13 |
| Test for Allergy Using Allergenic Extract95004 | 2,264 | $4 |
| Test to Measure Expiratory Airflow and Volume94010 | 418 | $29 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 400 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 349 | $93 |
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 |
|---|---|---|
| Azelastine Hcl | 307 | 133 |
| Fluticasone Propionate | 231 | 116 |
| Montelukast Sodium | 201 | 67 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 149 | 50 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 127 | 95 |
| Ipratropium Bromide | 121 | 65 |
| Famotidine | 120 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,103 across 61 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
- 2006-10-11
- Last updated
- 2015-06-23
Frequently asked questions
- What is Lauren Hiyama's NPI number?
- Lauren Hiyama's National Provider Identifier (NPI) is 1215025275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Hiyama's specialty?
- Lauren Hiyama is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Hiyama located?
- Lauren Hiyama's practice location on file with NPPES is 7471 N Fresno St, Fresno, CA 93720-2457.
- What is Lauren Hiyama's phone number?
- The practice phone number listed in the NPPES registry for Lauren Hiyama is (559) 436-4500.
- Does Lauren Hiyama accept Medicare?
- Lauren Hiyama is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Hiyama's NPI active?
- Yes — Lauren Hiyama's NPI (1215025275) is active in the NPPES registry as of the last update on 2015-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.