Robert Lim, M.D.
NPI 1669430518 · Diagnostic Radiology Physician · Tracy, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Lim, M.D. is a Diagnostic Radiology Physician provider in Tracy, CA (NPI 1669430518).
Provider details
- NPI number
- 1669430518
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 227526 (MA)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
5,079 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 848 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 390 | $41 |
| Screening Mammography77067 | 373 | $36 |
| Screening 3d Breast Mammography77063 | 371 | $29 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 198 | $89 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 191 | $85 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-02
- Last updated
- 2009-10-16
Frequently asked questions
- What is Robert Lim's NPI number?
- Robert Lim's National Provider Identifier (NPI) is 1669430518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Lim's specialty?
- Robert Lim is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Lim located?
- Robert Lim's practice location on file with NPPES is 1530 Bessie Ave, Tracy, CA 95376-3080.
- What is Robert Lim's phone number?
- The practice phone number listed in the NPPES registry for Robert Lim is (209) 833-2393.
- Does Robert Lim accept Medicare?
- Robert Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Lim's NPI active?
- Yes — Robert Lim's NPI (1669430518) is active in the NPPES registry as of the last update on 2009-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.