Physician Profile
Unclaimed ProfileAbout MACCARTHY
John Byron Maccarthy, MD is a healthcare provider in Fullerton, CA specialising in anesthesiology. John trained at University of Vermont College of Medicine, graduating in 1986.
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
Common questions
What kind of doctor is Dr. Maccarthy?
Dr. Maccarthy is an anesthesiology in Fullerton, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
What is Dr. Maccarthy's address?
Dr. Maccarthy is listed at 101 E VALENCIA MESA DR, Fullerton, CA 92835. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Maccarthy?
The number on file is (714) 871-3280. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Maccarthy?
Dr. Maccarthy's National Provider Identifier is 1013969591. 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
Where did Dr. Maccarthy train?
Dr. Maccarthy attended University of Vermont College of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Maccarthy have?
Dr. Maccarthy has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Maccarthy perform?
According to Medicare billing data, Dr. Maccarthy performs procedures including injection of substance into lower spine canal; provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for lens surgery. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Maccarthy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Maccarthy. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 871-3280
- Email not available
Practice Locations
101 E VALENCIA MESA DR
Fullerton, CA 92835
Procedures Most Often Billed to Medicare
82 services · 81 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of substance into lower spine canal | Procedure | 62322 |
16 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
37 |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
17 |
| Anesthesia for other procedure on lower abdomen | Anaesthesia | 00840 |
12 |
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 anesthesiology specialists at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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.
More connections — 26 related providers in 4 groups
Other anesthesiology specialists in Fullerton 2
Same specialty, same city.
Trained at University of Vermont College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at University of Vermont College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of substance into lower spine canal 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.