Physician Profile
Christopher B. Zachary, M.D.
Unclaimed ProfileAbout Dr. Zachary
Based in Irvine, CA, Christopher B. Zachary, M.D. is listed in the NPI registry under mohs surgery / dermatologic surgery. Christopher is also listed as specializing in dermatology. According to Medicare claims data, Christopher cared for 203 Medicare patients across 246 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, therapy procedure using ultraviolet radiation with tar or petroleum jelly application, and biopsy of related skin growth, first growth.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (949) 824-5515
- Email not available
Practice Locations
1 MEDICAL PLZ
Irvine, CA 92697
Procedures Most Often Billed to Medicare
246 services · 203 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of related skin growth, first growth | Procedure | 11102 |
29 | Less often than most peers in Mohs Surgery / Dermatologic… |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
27 | Less often than most peers in Mohs Surgery / Dermatologic… |
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
25 | Less often than most peers in Mohs Surgery / Dermatologic… |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
25 | Less often than most peers in Mohs Surgery / Dermatologic… |
| Therapy procedure using ultraviolet radiation with tar or petroleum jelly application | Treatment | 96910 |
49 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
75 | Less often than most peers in Mohs Surgery / Dermatologic… |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
16 | Less often than most peers in Mohs Surgery / Dermatologic… |
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.
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1974 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of related skin growth, first growth 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Christopher B. Zachary?
Christopher B. Zachary is a mohs surgery / dermatologic surgeon in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Mohs Surgery / Dermatologic Surgery”.
NPI registry
What is Christopher B. Zachary's address?
Christopher B. Zachary is listed at 1 Medical Plz, Irvine, CA 92697. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Christopher B. Zachary?
The number on file is (949) 824-5515. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Christopher B. Zachary's NPI number?
Christopher B. Zachary's National Provider Identifier is 1013943836. 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 Christopher B. Zachary train?
Christopher B. Zachary attended Other, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How long has Christopher B. Zachary been practicing?
Christopher B. Zachary has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
What procedures does Christopher B. Zachary perform?
According to Medicare billing data, Christopher B. Zachary performs procedures including biopsy of related skin growth, first growth, destruction of skin growth, 1-14 growths and destruction of precancer skin growth, 2-14 growths; provides treatments such as therapy procedure using ultraviolet radiation with tar or petroleum jelly application, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Christopher B. Zachary confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Christopher B. Zachary. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.