WILLIAM C. KRAMER (M.D.) – Orthopaedic Surgery Physician, NPI 1093978223
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
747 ORTHOPEDIC SURGERY in CO
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Provider Addresses for WILLIAM C. KRAMER (M.D.)
4740 PEARL PKWY STE 200
BOULDER, CO 803013080
Phone: (303) 449-2730
Fax: (303) 449-5821
Type: Mailing
4740, Pearl Parkway, Boulder, Boulder County, Colorado, 80301, United States
SUITE 200
BOULDER, CO 803013078
Phone: (303) 449-2730
Fax: (303) 449-5821
Type: Mailing
Pearl Parkway, Boulder, Boulder County, Colorado, 80303-1229, United States
BOULDER, CO 803013080
Phone: (303) 449-2730
Fax: (303) 449-5821
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $321.
Total Amount is formed as General ($321) + Research ($0) + Ownership ($0) = $321.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Stryker Corporation ($199).
Total Amount
$321
General + Research + Ownership
Payments
8
Total payment records
General Amount
$321
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Stryker Corporation | $199 |
| Davol Inc. | $51 |
| Gemini Mountain Medical, LLC | $30 |
| Heron Therapeutics, Inc. | $22 |
| Ferring Pharmaceuticals Inc. | $19 |
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: 2014-12-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20141219000256 | I | Orthopedic Surgery | CO | 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 |
|---|---|---|---|---|
| J7328 | Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg | 37,302 | 49 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 369 | 255 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 302 | 126 | $0 |
| 73630 | X-ray of foot, minimum of 3 views | 208 | 133 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 165 | 144 | $0 |
Insurance plans in this area (ZIP 80301)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Occupational Therapist In Private Practice | CO | |
| Physician Assistant | CO | |
| Physical Therapist In Private Practice | MT | |
| - | CO | |
| Orthopedic Surgery | CO | |
| Sports Medicine, Orthopedic Surgery | CO | |
| - | CO | |
| Physician Assistant | CO | |
| Physical Therapist In Private Practice | CO | |
| Physical Therapist In Private Practice | CO |
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