William Culver, MD
NPI 1598747826 · Allergy & Immunology Physician · Fort Collins, CO
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Culver, MD is a Allergy & Immunology Physician provider in Fort Collins, CO (NPI 1598747826).
Provider details
- NPI number
- 1598747826
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 18320 (CO)
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
20 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
1,428 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 | 1,034 | $4 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $91 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 94 | $8 |
| Professional Service for Multiple Injections of Allergen95117 | 77 | $13 |
| Test to Measure Expiratory Airflow and Volume94010 | 54 | $28 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 35 | $112 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 155 | 47 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 73 | 28 |
| Prednisone | 57 | 20 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 40 | — |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 39 | — |
| Dupilumabbrand: Dupixent Syringe | 37 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,899 across 96 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
- 2005-11-14
- Last updated
- 2023-10-18
- Certified
- 2023-10-18
Frequently asked questions
- What is William Culver's NPI number?
- William Culver's National Provider Identifier (NPI) is 1598747826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Culver's specialty?
- William Culver is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is William Culver located?
- William Culver's practice location on file with NPPES is 2121 E Harmony Rd Unit 290, Fort Collins, CO 80528-3402.
- What is William Culver's phone number?
- The practice phone number listed in the NPPES registry for William Culver is (970) 221-2370.
- Does William Culver accept Medicare?
- William Culver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Culver's NPI active?
- Yes — William Culver's NPI (1598747826) is active in the NPPES registry as of the last update on 2023-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.