Doctor profile · Federal record

Dr. Mark Roback, DO

General Practice Physician (CMS: Family Practice) · Family Medicine Physician · Fortuna, CA

  • NPI 1801969829
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3304 Renner Dr
Fortuna, CA 955407102
(707) 725-4477
fax (707) 725-9209
Mailing address
670 9Th Street, Suite 203
Arcata, CA 955216249

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
August 25, 2014
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208D00000X — NUCC code
State licenses (2)
California #20A10324 · Kentucky #R1153
Medicaid
KY #7100028230

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801969829. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,485
Distinct HCPCS
7
Medicare allowed
$174,013
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 654 281 $119
99239 Hospital discharge day management, more than 30 minutes 223 216 $115
99497 Advance care planning, first 30 minutes 216 209 $76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 208 202 $174
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 105 47 $79
99291 Critical care, first 30-74 minutes 42 34 $211
99407 Smoking and tobacco use intensive counseling, more than 10 minutes 37 35 $25

In context: peer comparison

Among 1 peers in Fortuna General Practice Physician, average services per provider: 212. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen INC. 2 $138.91

By nature of payment

Food and Beverage
$139

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
197
Patients
180
Total drug cost
$1,615
Drug Type Claims Patients Total cost
Prednisone Generic 33 33 $160
Potassium Chloride Generic 23 23 $201
Levofloxacin Generic 20 20 $192
Furosemide Generic 19 18 $104
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 19 $112
Pantoprazole Sodium Generic 17 16 $179
Lisinopril Generic 15 14 $77
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $206
Atorvastatin Calcium Generic 13 13 $123
Clopidogrel (Clopidogrel Bisulfate) Brand 13 0 $152

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Roback's medical specialty?
Dr. Mark Roback practices General Practice Physician in Fortuna, CA.
Where does Dr. Mark Roback practice?
Dr. Mark Roback practices at 3304 Renner Dr, Fortuna, CA 955407102. Office phone: 7077254477.
What is Dr. Mark Roback's NPI?
Dr. Mark Roback's National Provider Identifier (NPI) is 1801969829, issued by NPPES.
Does Dr. Mark Roback accept Medicare assignment?
Yes. Dr. Mark Roback accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Roback commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.