Michael Klein, M.D.
NPI 1205826237 · Diagnostic Radiology Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Klein, M.D. is a Diagnostic Radiology Physician provider in La Jolla, CA (NPI 1205826237).
Provider details
- NPI number
- 1205826237
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G75234 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
9 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,330 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 275 | $39 |
| X-Ray of Chest, 1 View71045 | 172 | $8 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 126 | $78 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 120 | $81 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 92 | $86 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 84 | $85 |
| Ct Scan of Upper Spine Without Contrast |
Practice location
Mailing address
Additional practice locations (8)
- 4301 W Markham St # 556Little Rock, AR 72205-7101Phone: (501) 296-1095Fax: (501) 526-5919
- 2801 Atlantic AveLong Beach, CA 90806Phone: (562) 933-1550Fax: (562) 933-8088
- 1 Capital WayPennington, NJ 08534-2520Phone: (609) 303-4000
- 310 Salem Woodstown RdSalem, NJ 08079-2064Phone: (856) 935-1000
- 750 Brunswick AveTrenton, NJ 08638-4143Phone: (609) 394-6000
- 1700 Old Gatesburg Rd Ste 100State College, PA 16803-2276Phone: (814) 278-3280Fax: (814) 231-7098
- 1800 E Park AveState College, PA 16803-6701Phone: (814) 231-7000Fax: (814) 231-7098
- 2010 Health Campus DrRockingham, VA 22801-8679Phone: (540) 432-8950
Registry dates
- Enumerated
- 2005-10-21
- Last updated
- 2026-04-24
- Certified
- 2026-04-24
Frequently asked questions
- What is Michael Klein's NPI number?
- Michael Klein's National Provider Identifier (NPI) is 1205826237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Klein's specialty?
- Michael Klein is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Klein located?
- Michael Klein's practice location on file with NPPES is 4275 Executive Sq, La Jolla, CA 92037-9123.
- What is Michael Klein's phone number?
- The practice phone number listed in the NPPES registry for Michael Klein is (858) 999-8599.
- Does Michael Klein accept Medicare?
- Michael Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Klein's NPI active?
- Yes — Michael Klein's NPI (1205826237) is active in the NPPES registry as of the last update on 2026-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.