William Culver, MD
Allergy & Immunology Physician · Fort Collins, CO
William Culver, MD is an allergy & immunology physician with a practice address in Fort Collins, Colorado, and NPI 1598747826, issued on Nov 14, 2005. Check the license (Colorado 18320, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Culver
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 18320 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2121 E Harmony RD Unit 290, Fort Collins, CO 80528
- Phone
- (970) 221-2370
- Enumerated
- Nov 14, 2005
- Record last updated
- Oct 18, 2023
- Fax
- (970) 221-9654
- Medicaid ID
- 01183201 CO
- Medicare enrollment
- Enrolled (PECOS I20041008001063); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1972
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 102 in Colorado → Look up another NPI →
Also registered at 2121 E Harmony RD Unit 290
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erik Anderson, PHD, DOAllergy & Immunology Physician1487273066
- Michael Martucci, MDAllergy & Immunology Physician1942415369
- Erin Willits, MDAllergy & Immunology Physician1962766402
Verify William Culver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 18320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average allergy & immunology physician in 2024
831 Medicare Part D claims for 147 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Montelukast Sodium155 claims
- Albuterol Sulfate Hfa73 claims
- Prednisone57 claims
- Symbicort40 claims
- Breztri Aerosphere39 claims
- Dupixent Syringe37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,899.31
96 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Allergy Partners OF Colorado, PCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Culver among 102 allergy & immunology physician records in Colorado
William Culver, MD is one of 102 allergy & immunology physician records with a practice address in Colorado. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1972 · median 2006 among the 55 with a school on file
- Record last updated2023 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Colorado
There are 102 allergy & immunology physician records in Colorado.
All 102 in Colorado → Every provider in Fort Collins → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Erik Anderson, PHD, DOFort Collins, CO 805281487273066
- James Fulton, M.D.Fort Collins, CO 805281346521887
- Velusamy Kailasam, M.D.Fort Collins, CO 805281417983891
- Michael Martucci, MDFort Collins, CO 805281942415369
- Krishna Murthy, M.D.Fort Collins, CO 805281336178664
- Erin Willits, MDFort Collins, CO 805281962766402
- Janet Seeley, MDFort Collins, CO 805261104809383
- Erin Kempe, DOFort Collins, CO 805251790005692
Common questions
What is William Culver, MD's NPI number?
William Culver, MD's National Provider Identifier (NPI) is 1598747826, issued on Nov 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Culver, MD located?
The NPPES record lists a practice address at 2121 E Harmony RD Unit 290, Fort Collins, CO, 80528. Phone: (970) 221-2370. Providers update this record themselves, so call before visiting.
How can I verify William Culver, MD's license?
NPPES lists Colorado license number 18320, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Culver, MD prescribe under Medicare Part D?
In 2024, William Culver, MD had 831 Medicare Part D claims for 147 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.