Doctor profile · Federal record
Dr. Mark Grossman, MD
Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Los Angeles, CA
- NPI 1457370736
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
200 Medical Plaza, #365,530,420,120
Los Angeles, CA 900953075
(310) 208-7777 - Mailing address
-
5767 W Century Blvd, Suite 200
Los Angeles, CA 900455632
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 24, 2010
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G79624
- Medicaid
- CA #00G796240
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457370736. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
394
Distinct HCPCS
8
Medicare allowed
$22,388
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 110 | 75 | $71 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 82 | 82 | $52 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 64 | 58 | $37 | |
G0008 |
Administration of influenza virus vaccine | 42 | 42 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 41 | 41 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 32 | 22 | $96 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 12 | 12 | $16 | |
G0009 |
Administration of pneumococcal vaccine | 11 | 11 | $33 |
In context: peer comparison
Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 2.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
896
Patients
206
Total drug cost
$14,299
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 230 | 64 | $3,329 |
| Amlodipine Besylate | Generic | 96 | 26 | $896 |
| Lisinopril | Generic | 91 | 23 | $748 |
| Losartan Potassium | Generic | 76 | 22 | $1,068 |
| Rosuvastatin Calcium | Generic | 63 | 21 | $1,893 |
| Levothyroxine Sodium | Generic | 52 | 14 | $1,117 |
| Hydrochlorothiazide | Generic | 39 | 11 | $289 |
| Metoprolol Succinate | Generic | 39 | 0 | $513 |
| Metformin Hcl | Generic | 37 | 12 | $435 |
| Tamsulosin Hcl | Generic | 36 | 13 | $864 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Grossman's medical specialty?
Dr. Mark Grossman practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Mark Grossman practice?
Dr. Mark Grossman practices at 200 Medical Plaza, Los Angeles, CA 900953075. Office phone: 3102087777.
What is Dr. Mark Grossman's NPI?
Dr. Mark Grossman's National Provider Identifier (NPI) is 1457370736, issued by NPPES.
Does Dr. Mark Grossman accept Medicare assignment?
Yes. Dr. Mark Grossman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Grossman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.