Frederick M. Workman, DO
Internal Medicine Physician · Colorado Springs, CO
Frederick M. Workman, DO is an internal medicine physician with a practice address in Colorado Springs, Colorado, and NPI 1023001948, issued on Aug 25, 2005. Check the license (Colorado 46235, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Frederick M. Workman
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 46235 CO
02005118A IN
34006839 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2222 N Nevada Ave, Colorado Springs, CO 80907
- Phone
- (719) 636-9393
- Enumerated
- Aug 25, 2005
- Record last updated
- Aug 15, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (719) 538-2961
- Medicaid ID
- 26133059 CO
- Medicare enrollment
- Enrolled (PECOS I20080305000392); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 2222 N Nevada Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Frederick M. Workman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 46235Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
77 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Rural Physicians Group-Pannu PLLCDelta, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frederick M. Workman among 2,046 internal medicine physician records in Colorado
Frederick M. Workman, DO is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% 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, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1996 · median 2006 among the 1,090 with a school on file
- Record last updated2017 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
169 internal medicine physician records list a practice address in Colorado Springs
They are 169 of the 19,771 NPPES records with a practice address in Colorado Springs, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Colorado Springs → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pratheep Arora, M.D.Colorado Springs, CO 809071467475616
- Robert Beshany, MDColorado Springs, CO 809071417926551
- Lisa Bonwell, M.D.Colorado Springs, CO 809071699705582
- Frederick Collins, M.D.,PH.D.Colorado Springs, CO 809071134211816
- Richard Ducharme, M.D.Colorado Springs, CO 809071386642007
- Harlan Harclerode, DOColorado Springs, CO 809071316966781
- Pankaj Nashikkar, MDColorado Springs, CO 809071457413338
- John Norton, MDColorado Springs, CO 809071831145150
Common questions
What is Frederick M. Workman, DO's NPI number?
Frederick M. Workman, DO's National Provider Identifier (NPI) is 1023001948, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Frederick M. Workman, DO located?
The NPPES record lists a practice address at 2222 N Nevada Ave, Colorado Springs, CO, 80907. Phone: (719) 636-9393. Providers update this record themselves, so call before visiting.
How can I verify Frederick M. Workman, DO's license?
NPPES lists Colorado license number 46235, 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 Frederick M. Workman, DO prescribe under Medicare Part D?
In 2024, Frederick M. Workman, DO had 77 Medicare Part D claims for 33 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.