Physician Profile
Unclaimed ProfileAbout TOMASSIAN
Based in Glendora, CA, Christopher Tomassian, MD is listed in the NPI registry under dermatology. Christopher graduated from University of Missouri, Kansas City, School of Medicine in 2018. Christopher is also listed as specializing in mohs surgery / dermatologic surgery. According to Medicare claims data, Christopher cared for 846 Medicare patients across 1,597 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
Common questions
What does Dr. Tomassian specialize in?
Dr. Tomassian is a dermatology in Glendora, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DERMATOLOGY”.
NPI registry
Where is Dr. Tomassian located?
Dr. Tomassian is listed at 552 W FOOTHILL BLVD STE 202, Glendora, CA 91741. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tomassian's phone number?
The number on file is (818) 795-8252. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Tomassian's NPI number?
Dr. Tomassian's National Provider Identifier is 1871097550. 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. Tomassian go to medical school?
Dr. Tomassian attended University of Missouri, Kansas City, School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tomassian been practicing?
Dr. Tomassian has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tomassian do most often?
According to Medicare billing data, Dr. Tomassian performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tomassian confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tomassian. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (818) 795-8252
- Email not available
Practice Locations
552 W FOOTHILL BLVD STE 202
Glendora, CA 91741
Procedures Most Often Billed to Medicare
1,597 services · 846 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
616 |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
167 |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
149 |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
97 |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
30 |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
14 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
239 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
116 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
99 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
38 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other dermatology specialists 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 dermatology specialists in Glendora 3
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Missouri, Kansas City, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at University of Missouri, Kansas City, School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 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.