FREDERICK M WORKMAN (DO) – Internal Medicine Physician, NPI 1023001948
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
929 HOSPITALIST in CO
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Provider Addresses for FREDERICK M WORKMAN (DO)
2, South Cascade Avenue, Colorado Springs, El Paso County, Colorado, 80903, United States
SUITE 140
COLORADO SPRINGS, CO 809031624
Phone: (719) 538-2900
Fax: (719) 538-2961
Type: Mailing
Penrose Hospital, 2222, North Nevada Avenue, Colorado Springs, El Paso County, Colorado, 80907, United States
COLORADO SPRINGS, CO 809076819
Phone: (719) 636-9393
Fax: (719) 538-2961
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-12-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080305000392 | I | Internal Medicine | CO | TBD |
| I20181203003161 | I | Hospitalist | WY | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 167 | 94 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 162 | 138 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 142 | 125 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 50 | 50 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 44 | 44 | $0 |
Insurance plans in this area (ZIP 80903)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | CO | |
| Family Practice | CO | |
| N E U R O S U R G E R Y | CA | |
| Orthopedic Surgery | CO | |
| Internal Medicine, Pediatric Medicine | MO | |
| Orthopedic Surgery | CO | |
| Physician Assistant | CO | |
| Orthopedic Surgery | CO | |
| Nurse Practitioner | WY | |
| Nurse Practitioner | CO |
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