Physician Profile
Unclaimed ProfileAbout WILLIAMS
Gary W. Williams, M.D. is a healthcare provider in La Jolla, CA specializing in rheumatology. Medicare claims data shows Gary provided 3,891 services to 3,881 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (858) 554-8643
- Email not available
Practice Locations
10666 N TORREY PINES RD
La Jolla, CA 92037
Procedures Most Often Billed to Medicare
3,891 services · 3,881 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
3,713 |
| Dxa bone density measurement of forearm, finger, hand, or foot | Imaging | 77081 |
144 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
19 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other rheumatologists in La Jolla 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Dxa bone density measurement of hip, pelvis, spine 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Williams's specialty?
Dr. Williams is a rheumatologist in La Jolla, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Rheumatology”.
NPI registry
Where can I find Dr. Williams?
Dr. Williams is listed at 10666 N TORREY PINES RD, La Jolla, CA 92037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Williams?
The number on file is (858) 554-8643. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Williams?
Dr. Williams's National Provider Identifier is 1982643441. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Dr. Williams have?
Dr. Williams has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Williams known for?
According to Medicare billing data, Dr. Williams performs imaging including dxa bone density measurement of hip, pelvis, spine and dxa bone density measurement of forearm, finger, hand, or foot, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.