Mark Roback, DO
NPI 1801969829 · General Practice Physician · Fortuna, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Roback, DO is a General Practice Physician provider in Fortuna, CA (NPI 1801969829).
Provider details
- NPI number
- 1801969829
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- R1153 (KY)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,461 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,184 | $115 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 410 | $113 |
| Advance Care Planning, First 30 Minutes99497 | 283 | $73 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 238 | $169 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 211 | $77 |
| Smoking and Tobacco Use Intensive Counseling, More Than 10 Minutes99407 | 36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 42 | 39 |
| Potassium Chloride | 33 | 30 |
| Furosemide | 27 | 24 |
| Levofloxacin | 25 | 25 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Atorvastatin Calcium | 21 | 20 |
| Cefdinir | 20 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$139 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2014-08-25
Frequently asked questions
- What is Mark Roback's NPI number?
- Mark Roback's National Provider Identifier (NPI) is 1801969829, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Roback's specialty?
- Mark Roback is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Roback located?
- Mark Roback's practice location on file with NPPES is 3304 Renner Dr, Fortuna, CA 95540-7102.
- What is Mark Roback's phone number?
- The practice phone number listed in the NPPES registry for Mark Roback is (707) 725-4477.
- Does Mark Roback accept Medicare?
- Mark Roback is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Roback's NPI active?
- Yes — Mark Roback's NPI (1801969829) is active in the NPPES registry as of the last update on 2014-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.