Doctor profile · Federal record
Dr. Mark Vierra, MD
Surgery Physician (CMS: General Surgery) · Monterey, CA
- NPI 1295706448
- Accepts Medicare
- MIPS 77.8 / 100 · 2023
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2 Upper Ragsdale Dr, B230
Monterey, CA 939405736
(831) 649-0808 - Mailing address
-
100 Wilson RD, Suite 100
Monterey, CA 93940
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- January 11, 2010
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- California #G59649
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295706448. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
677
Distinct HCPCS
10
Medicare allowed
$110,461
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 133 | 83 | $95 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 121 | 82 | $136 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 88 | 35 | $48 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 71 | 71 | $176 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 49 | 49 | $121 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 45 | 45 | $233 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 44 | 23 | $84 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 43 | 39 | $194 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 26 | $137 | |
43282 |
Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope | 16 | 16 | $1,766 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 49. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
181
Patients
90
Total drug cost
$3,348
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 61 | 21 | $918 |
| Tramadol Hcl | Generic | 48 | 43 | $85 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 33 | 0 | $213 |
| Enoxaparin Sodium | Generic | 16 | 15 | $1,930 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 11 | $93 |
| Lidocaine Hcl Viscous (Lidocaine Hcl) | Brand | 11 | 0 | $108 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Vierra's medical specialty?
Dr. Mark Vierra practices Surgery Physician in Monterey, CA.
Where does Dr. Mark Vierra practice?
Dr. Mark Vierra practices at 2 Upper Ragsdale Dr, Monterey, CA 939405736. Office phone: 8316490808.
What is Dr. Mark Vierra's NPI?
Dr. Mark Vierra's National Provider Identifier (NPI) is 1295706448, issued by NPPES.
Does Dr. Mark Vierra accept Medicare assignment?
Yes. Dr. Mark Vierra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Vierra commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.