William C. Kramer, M.D.
Orthopaedic Surgery Physician · Boulder, CO
William C. Kramer, M.D. is an orthopaedic surgery physician with a practice address in Boulder, Colorado, and NPI 1093978223, issued on Jul 8, 2008. Check the license (Colorado DR0053611, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- William C. Kramer
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- DR0053611 CO
94-06920 KS
Self-reported in NPPES; status is on the state search - Practice location
- 4740 Pearl Pkwy Ste 200, Boulder, CO 80301
- Phone
- (303) 449-2730
- Enumerated
- Jul 8, 2008
- Record last updated
- Feb 26, 2026
- Fax
- (303) 449-5821
- Medicare enrollment
- Enrolled (PECOS I20141219000256); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 471 in Colorado → Look up another NPI →
Also registered at 4740 Pearl Pkwy Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kaitlan Barrow, PA-CPhysician Assistant1366012924
- Sally BellPhysician Assistant1336959808
- Brian Beltrani, PA-CSurgical Physician Assistant1982008108
- Yasmeen Bierwirth, PA-CSurgical Physician Assistant1922712884
- Clint Brian Blackwood, MDOrthopaedic Surgery Physician1508905506
- Erik Bowman, M.D.Orthopaedic Surgery Physician1902211931
Verify William C. Kramer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR0053611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
94 Medicare Part D claims for 37 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen21 claims
- Ondansetron Hcl14 claims
- Gabapentin11 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: $228.01
4 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 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.
3 hospitals and group practices
- Bouldercentre For Orthopedics PCBoulder, CO
- Select Physical Therapy OF West Denver Limited PartnershipLoveland, CO
- Wray Community District HospitalWray, CO · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
William C. Kramer among 471 orthopaedic surgery physician records in Colorado
William C. Kramer, M.D. is one of 471 orthopaedic surgery physician records with a practice address in Colorado. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.
- NPI issued2008 · 61% of these records are older, 32% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2007 among the 290 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Colorado
There are 471 orthopaedic surgery physician records in Colorado.
All 471 in Colorado → Every provider in Boulder → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Clint Brian Blackwood, MDBoulder, CO 803011508905506
- Erik Bowman, M.D.Boulder, CO 803011902211931
- Dirk Dolbeare, MDBoulder, CO 803011245448984
- Lorri Fulkerson, M.D.Boulder, CO 803011417905811
- Jeffrey Gagliano, MDBoulder, CO 803011649301631
- Steven Gross, M.D.Boulder, CO 803011639344351
- Kathleen Kollitz Jegapragasan, MDBoulder, CO 803011376959593
- Robert Leland, MDBoulder, CO 803011447296025
Common questions
What is William C. Kramer, M.D.'s NPI number?
William C. Kramer, M.D.'s National Provider Identifier (NPI) is 1093978223, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William C. Kramer, M.D. located?
The NPPES record lists a practice address at 4740 Pearl Pkwy Ste 200, Boulder, CO, 80301. Phone: (303) 449-2730. Providers update this record themselves, so call before visiting.
How can I verify William C. Kramer, M.D.'s license?
NPPES lists Colorado license number DR0053611, 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 C. Kramer, M.D. prescribe under Medicare Part D?
In 2024, William C. Kramer, M.D. had 94 Medicare Part D claims for 37 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.