Doctor profile · Federal record
Dr. Mark Shapiro, MD
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · San Diego, CA
- NPI 1336251446
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7901 Frost St
San Diego, CA 92123
(858) 939-3400
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- December 16, 2014
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A91772
- Medicaid
- CA #00A917720
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336251446. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
917
Distinct HCPCS
7
Medicare allowed
$92,853
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 356 | 168 | $124 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 257 | 137 | $83 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 117 | 51 | $51 | |
99238 |
Hospital discharge day management, 30 minutes or less | 92 | 88 | $85 | |
99239 |
Hospital discharge day management, more than 30 minutes | 51 | 50 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 31 | 30 | $181 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $136 |
In context: peer comparison
Among 58 peers in San Diego Hospitalist Physician, average services per provider: 101. This provider delivers 9.1× the peer median.Open Payments
Industry payments received
All-time total
$97
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bard Peripheral Vascular, INC. | 1 | $97.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
40
Patients
39
Total drug cost
$480
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 18 | 17 | $318 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $71 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 11 | $91 |
Frequently asked questions
What is Dr. Mark Shapiro's medical specialty?
Dr. Mark Shapiro practices Hospitalist Physician in San Diego, CA.
Where does Dr. Mark Shapiro practice?
Dr. Mark Shapiro practices at 7901 Frost St, San Diego, CA 92123. Office phone: 8589393400.
What is Dr. Mark Shapiro's NPI?
Dr. Mark Shapiro's National Provider Identifier (NPI) is 1336251446, issued by NPPES.
Does Dr. Mark Shapiro accept Medicare assignment?
Yes. Dr. Mark Shapiro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Shapiro commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.