Doctor profile · Federal record

Dr. Gerald Cohen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Los Alamitos, CA

  • NPI 1306877253
  • Accepts Medicare
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3801 Katella Ave, Suite 330
Los Alamitos, CA 907203338
(562) 594-9546
fax (562) 598-0258
Additional location
1045 Atlantic Ave Ste 506
Long Beach, CA 908133414
(562) 491-9923
fax (562) 437-8646
Mailing address
3801 Katella Ave Ste 330
Los Alamitos, CA 907206900

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 17, 2018
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G34856

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306877253. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,915
Distinct HCPCS
10
Medicare allowed
$161,596
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,232 259 $85
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 177 115 $53
99213 Established patient office or other outpatient visit, 20-29 minutes 71 52 $100
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 68 65 $186
99214 Established patient office or other outpatient visit, 30-39 minutes 64 53 $141
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 64 13 $54
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 56 56 $143
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 49 47 $16
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 49 12 $44
36415 Insertion of needle into vein for collection of blood sample 29 17 $8

In context: peer comparison

Among 14 peers in Los Alamitos Internal Medicine Physician, average services per provider: 139. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,720
Patients
477
Total drug cost
$29,078
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 252 64 $4,121
Amlodipine Besylate Generic 201 57 $2,044
Levothyroxine Sodium Generic 183 46 $3,383
Losartan Potassium Generic 156 42 $2,555
Pantoprazole Sodium Generic 116 32 $1,607
Lisinopril Generic 113 34 $1,446
Gabapentin Generic 105 29 $2,433
Simvastatin Generic 101 28 $1,174
Potassium Chloride Generic 89 23 $2,947
Allopurinol Generic 72 23 $1,435

Frequently asked questions

Auto-generated from federal data
What is Dr. Gerald Cohen's medical specialty?
Dr. Gerald Cohen practices Internal Medicine Physician in Los Alamitos, CA.
Where does Dr. Gerald Cohen practice?
Dr. Gerald Cohen practices at 3801 Katella Ave, Los Alamitos, CA 907203338. Office phone: 5625949546.
What is Dr. Gerald Cohen's NPI?
Dr. Gerald Cohen's National Provider Identifier (NPI) is 1306877253, issued by NPPES.
Does Dr. Gerald Cohen accept Medicare assignment?
Yes. Dr. Gerald Cohen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gerald Cohen commonly perform?
Top Medicare-reported procedures in 2023: 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.