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- 552 W Foothill Blvd Ste 202, Glendora, CA 91741
About Dr. 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. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth. NPI 1871097550 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (818) 795-8252
- Email not available
Practice Locations
552 W FOOTHILL BLVD STE 202
Glendora, CA 91741
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Acne and follicular disorders
- Folliculitis
- Hidradenitis suppurativa
Eczema and inflammatory skin disease
Infections and infestations
- Cellulitis
- Foot fungus
- Herpes simplex of the skin
- Molluscum contagiosum
- Scabies
- Shingles
- Warts
Pigment, growths, and benign lesions
- Melasma
- Seborrheic keratosis
Skin cancer
- Basal cell skin cancer
- Squamous cell skin cancer
Urticaria, itch, and vascular
- Chronic itching
- Excessive sweating
- Hives
Autoimmune and connective tissue
- Vitiligo
Infections
- Ringworm
Rashes & allergy
- Poison Ivy
Skin growths
- Keloid scars
Procedures & services
Most searched procedures
- Botox
- Chemical peel
- Laser hair removal
- Microneedling
- Mole removal
- Skin cancer screening
Diagnostic procedures
- Patch testing
- Skin biopsy
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
- Botulinum toxin treatment for excessive sweating
Cosmetic
- Acne scar treatment
- Dermal fillers
- Sclerotherapy
- Tattoo removal
Cosmetic and minor surgery
- Sun spot removal
Cosmetic dermatology
- Laser skin resurfacing
- Laser treatment of vascular lesions
Diagnostic
- Mole mapping
- Skin scraping test
General dermatology
- Biologic drug management
- Cortisone shot for cysts
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
- Mohs surgery
Skin growths
- Cyst Removal
- Lipoma removal
- Skin Tag Removal
- Steroid injection for keloids
Procedures Most Often Billed to Medicare
1,597 services · 846 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
616 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
167 | As often as other peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
149 | As often as other peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
97 | As often as other peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
30 | Less often than most peers in Dermatology |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
14 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
239 | As often as other peers in Dermatology |
| 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 | More often than most peers in Dermatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
99 | As often as other peers in Dermatology |
| 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 | As often as other peers in Dermatology |
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 dermatologists 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 dermatologists 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.
Common questions
What does Dr. Tomassian specialize in?
Dr. Tomassian is a dermatologist (skin doctor) in Glendora, CA. That is the designation recorded for this NPI in the federal registry, where it is listed 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. Contact the office directly to confirm availability and scheduling.
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
Guide.md listings do not constitute medical advice or an endorsement.