Doctor profile · Federal record

Dr. Marvin Zamost, M.D.

Family Medicine Physician (CMS: Family Practice) · Long Beach, CA

  • NPI 1922041045
  • Accepts Medicare
  • 54 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6226 E Spring St, Ste 100
Long Beach, CA 908151423
(562) 420-1338
fax (562) 420-7389

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 17, 2012
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #G26888

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922041045. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
764
Distinct HCPCS
9
Medicare allowed
$78,974
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 265 186 $98
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 186 186 $140
99214 Established patient office or other outpatient visit, 30-39 minutes 137 109 $139
99441 Telephone medical discussion with physician, 5-10 minutes 49 42 $41
G0008 Administration of influenza virus vaccine 43 43 $33
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 33 33 $76
99212 Established patient office or other outpatient visit, 10-19 minutes 27 26 $62
81002 Urinalysis, manual test 12 11 $3
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 12 12 $7

In context: peer comparison

Among 53 peers in Long Beach Family Medicine Physician, average services per provider: 69. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,106
Patients
1,389
Total drug cost
$84,551
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 639 173 $9,910
Losartan Potassium Generic 616 160 $8,760
Levothyroxine Sodium Generic 529 135 $10,567
Amlodipine Besylate Generic 471 133 $4,835
Rosuvastatin Calcium Generic 403 118 $12,673
Simvastatin Generic 377 103 $4,738
Lisinopril Generic 304 90 $2,525
Metformin Hcl Generic 267 79 $3,288
Metoprolol Succinate Generic 248 65 $5,580
Hydrochlorothiazide Generic 236 61 $2,142

Frequently asked questions

Auto-generated from federal data
What is Dr. Marvin Zamost's medical specialty?
Dr. Marvin Zamost practices Family Medicine Physician in Long Beach, CA.
Where does Dr. Marvin Zamost practice?
Dr. Marvin Zamost practices at 6226 E Spring St, Long Beach, CA 908151423. Office phone: 5624201338.
What is Dr. Marvin Zamost's NPI?
Dr. Marvin Zamost's National Provider Identifier (NPI) is 1922041045, issued by NPPES.
Does Dr. Marvin Zamost accept Medicare assignment?
Yes. Dr. Marvin Zamost accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marvin Zamost 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 99214). Source: CMS Medicare Physician & Other Practitioners file.