David F. Ritsema, MD
Urology Physician · Greeley, CO
David F. Ritsema, MD is a urology physician with a practice address in Greeley, Colorado, and NPI 1750573283, issued on Aug 17, 2007. Check the license (Colorado 51376, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- David F. Ritsema
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 51376 CO
Self-reported in NPPES; status is on the state search - Practice location
- 5890 W 13TH St, Greeley, CO 80634
- Phone
- (970) 378-1000
- Enumerated
- Aug 17, 2007
- Record last updated
- Dec 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (970) 378-1899
- Medicare enrollment
- Enrolled (PECOS I20121025000747); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest urology physician records → All 249 in Colorado → Look up another NPI →
Also registered at 5890 W 13TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Randy Bussey, MDOrthopaedic Surgery Physician1174578926
- Nicholas Noce, M.D.Orthopaedic Surgery Physician1720063704
- Thomas Pazik, MDOrthopaedic Surgery Physician1609850056
- Michelle Remley, PA-CPhysician Assistant1396767323
- Gareth Roberts, M.D.Diagnostic Radiology Physician1508819723
- Kelly Sanderford, MDOrthopaedic Surgery Physician1790730562
Verify David F. Ritsema in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 51376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average urology physician in 2024
1,362 Medicare Part D claims for 326 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 34 claims were for opioids.
Most prescribed
- Tamsulosin Hcl438 claims
- Finasteride289 claims
- Myrbetriq172 claims
- Oxybutynin Chloride Er62 claims
- Sulfamethoxazole-Trimethoprim62 claims
- Solifenacin Succinate41 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.
Bills Medicare through one group practice
- Banner Health Physicians Colorado LLCGreeley, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David F. Ritsema among 249 urology physician records in Colorado
David F. Ritsema, MD is one of 249 urology physician records with a practice address in Colorado. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 42% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2006 · median 2006 among the 175 with a school on file
- Record last updated2012 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Colorado
There are 249 urology physician records in Colorado.
All 249 in Colorado → Every provider in Greeley → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Kevin Clay, M.D.Greeley, CO 806341467604637
- Curtis Crylen, M.D.Greeley, CO 806341881644532
- Phillip Kick, M.D.Greeley, CO 806341801004197
- Jason Warncke, M.D.Greeley, CO 806341073956942
- James Wolach, M.D.Greeley, CO 806341881673820
- Gary Eastes, M.D.Greeley, CO 806311457338527
- Sean Manion, MDBrighton, CO 806011013914159
- Thomas Kasper, M.D.Fort Morgan, CO 807011386645000
Common questions
What is David F. Ritsema, MD's NPI number?
David F. Ritsema, MD's National Provider Identifier (NPI) is 1750573283, issued on Aug 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David F. Ritsema, MD located?
The NPPES record lists a practice address at 5890 W 13TH St, Greeley, CO, 80634. Phone: (970) 378-1000. Providers update this record themselves, so call before visiting.
How can I verify David F. Ritsema, MD's license?
NPPES lists Colorado license number 51376, 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 David F. Ritsema, MD prescribe under Medicare Part D?
In 2024, David F. Ritsema, MD had 1,362 Medicare Part D claims for 326 beneficiaries; the average among urology physician prescribers was 1,340. 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.