Physician Profile
Unclaimed ProfileAbout KARLIN
Based in Worcester, MA, Bruce Gardner Karlin, MD is listed in the NPI registry under internal medicine. Bruce graduated from University of Massachusetts Medical School in 1976. According to Medicare claims data, Bruce cared for 106 Medicare patients across 163 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (508) 453-1005
- Email not available
Practice Locations
108 GROVE ST
Worcester, MA 01605
Procedures Most Often Billed to Medicare
163 services · 106 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
145 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
18 |
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.
Other internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
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 internal medicines in Worcester 8
Same specialty, same city.
More connections — 9 related providers in 2 groups
Trained at University of Massachusetts Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1976 at University of Massachusetts Medical School 1
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Karlin's specialty?
Dr. Karlin is an internal medicine in Worcester, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Karlin?
Dr. Karlin is listed at 108 GROVE ST, Worcester, MA 01605. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Karlin?
The number on file is (508) 453-1005. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Karlin's NPI number?
Dr. Karlin's National Provider Identifier is 1245311166. 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
What is Dr. Karlin's medical education?
Dr. Karlin attended University of Massachusetts Medical School, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Karlin been practicing?
Dr. Karlin has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Karlin known for?
According to Medicare billing data, Dr. Karlin the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Karlin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Karlin. 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.