Derek Hammer, PA
NPI 1912529629 · Physician Assistant · Topeka, KS
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Hammer, PA is a Physician Assistant provider in Topeka, KS (NPI 1912529629).
Provider details
- NPI number
- 1912529629
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 15-02390 (KS)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,061 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection, Lidocaine Hydrochloride, 1 MgJ2003 | 575 | $0 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 193 | $56 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 78 | $71 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 59 | $44 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 34 | $23 |
| X-Ray of Knee, 3 Views73562 | 31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 78 | 73 |
| Tizanidine Hcl | 73 | 68 |
| Gabapentin | 62 | 57 |
| Cefadroxil | 53 | 50 |
| Ondansetronbrand: Ondansetron Odt | 31 | 30 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | 31 |
| Tramadol Hcl | 21 |
Practice location
Mailing address
Additional practice locations (1)
- 1500 Sw 10th AveTopeka, KS 66604-1301Phone: (785) 354-6000
Registry dates
- Enumerated
- 2020-05-15
- Last updated
- 2025-09-04
- Certified
- 2025-09-04
Frequently asked questions
- What is Derek Hammer's NPI number?
- Derek Hammer's National Provider Identifier (NPI) is 1912529629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Hammer's specialty?
- Derek Hammer is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derek Hammer located?
- Derek Hammer's practice location on file with NPPES is 2660 Sw 3rd St, Topeka, KS 66606-2442.
- What is Derek Hammer's phone number?
- The practice phone number listed in the NPPES registry for Derek Hammer is (785) 270-8880.
- Does Derek Hammer accept Medicare?
- Derek Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Hammer's NPI active?
- Yes — Derek Hammer's NPI (1912529629) is active in the NPPES registry as of the last update on 2025-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.