Doctor profile · Federal record

Dr. Michael Klein, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · La Jolla, CA

  • NPI 1205826237
  • 36 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 8 locations across 4 states.

NPPES Updated May 11, 2026
Primary practice
4275 Executive Sq, Suite 200
La Jolla, CA 920379123
(858) 999-8599
fax (858) 999-8599
Mailing address
2801 Atlantic Ave
Long Beach, CA 90806
New Jersey — 3 locations
Additional location
1 Capital Way
Pennington, NJ 085342520
(609) 303-4000
Additional location
310 Salem Woodstown RD
Salem, NJ 080792064
(856) 935-1000
Additional location
750 Brunswick Ave
Trenton, NJ 086384143
(609) 394-6000
Pennsylvania — 2 locations
Additional location
1700 Old Gatesburg RD Ste 100
State College, PA 168032276
(814) 278-3280
fax (814) 231-7098
Additional location
1800 E Park Ave
State College, PA 168036701
(814) 231-7000
fax (814) 231-7098
Arkansas — 1 location
Additional location
4301 W Markham St # 556
Little Rock, AR 722057101
(501) 296-1095
fax (501) 526-5919
California — 1 location
Additional location
2801 Atlantic Ave
Long Beach, CA 90806
(562) 933-1550
fax (562) 933-8088

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
January 21, 2026
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #G75234
Medicaid
CA #00G752340

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205826237. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
922
Distinct HCPCS
10
Medicare allowed
$53,037
HCPCS Description Services Patients Avg allowed
70450 Ct scan head or brain without contrast 221 219 $41
71045 X-ray of chest, 1 view 128 127 $9
70498 Ct scan of blood vessels of neck with contrast 83 83 $83
70496 Ct scan of blood vessels of head with contrast 81 81 $86
74177 Ct scan of abdomen and pelvis with contrast 72 71 $89
74176 Ct scan of abdomen and pelvis without contrast 63 63 $84
72125 Ct scan of upper spine without contrast 53 52 $48
71275 Ct scan of blood vessels of chest with contrast 52 52 $88
70551 Mri scan of brain without contrast 50 50 $73
71250 Ct scan of chest without contrast 26 26 $52

In context: peer comparison

Among 24 peers in La Jolla Diagnostic Radiology Physician, average services per provider: 273. This provider delivers 3.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Klein's medical specialty?
Dr. Michael Klein practices Diagnostic Radiology Physician in La Jolla, CA.
Where does Dr. Michael Klein practice?
Dr. Michael Klein practices at 4275 Executive Sq, La Jolla, CA 920379123. Office phone: 8589998599.
What is Dr. Michael Klein's NPI?
Dr. Michael Klein's National Provider Identifier (NPI) is 1205826237, issued by NPPES.
Does Dr. Michael Klein accept Medicare assignment?
Dr. Michael Klein does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Michael Klein commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); X-ray of chest, 1 view (HCPCS 71045); Ct scan of blood vessels of neck with contrast (HCPCS 70498). Source: CMS Medicare Physician & Other Practitioners file.