William Harry Billica, MD
Family Medicine Physician · Fort Collins, CO
William Harry Billica, MD is a family medicine physician with a practice address in Fort Collins, Colorado, and NPI 1437221462, issued on Nov 14, 2006. Check the license (Colorado 43129, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Harry Billica
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 43129 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2362 E Prospect, Fort Collins, CO 80525
- Phone
- (970) 495-0999
- Enumerated
- Nov 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (970) 495-1016
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Verify William Harry Billica in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 43129Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
235 Medicare Part D claims for 53 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Levothyroxine Sodium36 claims
- Np Thyroid14 claims
- Bupropion Xl13 claims
- Lorazepam12 claims
- Testosterone Cypionate12 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.
William Harry Billica among 3,563 family medicine physician records in Colorado
William Harry Billica, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 family medicine physician records list a practice address in Fort Collins
They are 158 of the 6,928 NPPES records with a practice address in Fort Collins, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Fort Collins → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lara Abrahamson, MDFort Collins, CO 805251538145289
- Kurt Dallow, MDFort Collins, CO 805251376528851
- April Gray, M.D.Fort Collins, CO 805251023052628
- Sandra Henderson, M.D.Fort Collins, CO 805251053360834
- Susan Klingner, M.D.Fort Collins, CO 805251912956194
- Keith McLaughlin, M.D.Fort Collins, CO 805251932187036
- Edward Miron, M.D.Fort Collins, CO 805251245200849
- Juan Rodriguez, D.O.Fort Collins, CO 805251811987829
Common questions
What is William Harry Billica, MD's NPI number?
William Harry Billica, MD's National Provider Identifier (NPI) is 1437221462, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Harry Billica, MD located?
The NPPES record lists a practice address at 2362 E Prospect, Fort Collins, CO, 80525. Phone: (970) 495-0999. Providers update this record themselves, so call before visiting.
How can I verify William Harry Billica, MD's license?
NPPES lists Colorado license number 43129, 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 Harry Billica, MD prescribe under Medicare Part D?
In 2024, William Harry Billica, MD had 235 Medicare Part D claims for 53 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.