Mark Schakel, M.D.
NPI 1083657654 · Orthopaedic Surgery Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Schakel, M.D. is a Orthopaedic Surgery Physician provider in Santa Rosa, CA (NPI 1083657654).
Provider details
- NPI number
- 1083657654
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A43400 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,066 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) |
|---|---|---|
| X-Ray of Foot, Minimum of 3 Views73630 | 677 | $40 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 643 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 504 | $139 |
| X-Ray of Ankle, Minimum of 3 Views73610 | 364 | $43 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 143 | $120 |
| X-Ray of Heel, Minimum of 2 Views73650 | 118 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 88 | 51 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 88 | 21 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 80 | 54 |
| Gabapentin | 52 | 15 |
| Celecoxib | 22 | — |
| Clindamycin Hcl | 11 | — |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2023-07-14
- Certified
- 2023-07-14
Frequently asked questions
- What is Mark Schakel's NPI number?
- Mark Schakel's National Provider Identifier (NPI) is 1083657654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Schakel's specialty?
- Mark Schakel is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Schakel located?
- Mark Schakel's practice location on file with NPPES is 1405 Montgomery Dr, Santa Rosa, CA 95405-4557.
- What is Mark Schakel's phone number?
- The practice phone number listed in the NPPES registry for Mark Schakel is (707) 546-1922.
- Does Mark Schakel accept Medicare?
- Mark Schakel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Schakel's NPI active?
- Yes — Mark Schakel's NPI (1083657654) is active in the NPPES registry as of the last update on 2023-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.