1. Home
  2. Directory
  3. California
  4. Glendora
  5. Dermatology
  6. NPI Profile

CHRISTOPHER TOMASSIAN MD
NPI 1871097550
Dermatology in Glendora, CA

Active since March 19, 2018PECOS EnrolledAccepts Medicare Assignment
552 W FOOTHILL BLVD STE 202, GLENDORA, CA 91741(818) 795-8252 Get Directions Write a Review

NPPES record last updated: August 24, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 24, 2022, Apr 28, 2022, Mar 19, 2018 (3 updates tracked since 2018).

About Christopher Tomassian Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER TOMASSIAN MD (NPI 1871097550) is an individual dermatology provider in Glendora, California, licensed in California (177939) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of University Of Missouri, Kansas City, School Of Medicine (2018).

NPPES Registry Identity

NPI1871097550
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameCHRISTOPHER TOMASSIANCredential: MD
Location Address552 W FOOTHILL BLVD STE 202Glendora, CA 91741-2470
Mailing Address552 W Foothill Blvd Ste 202Glendora, CA 91741-2470 · (626) 240-2020
Phone(818) 795-8252
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Kansas City, School Of MedicineGraduated 2018
Enumeration DateMarch 19, 2018
Last NPPES UpdateAugust 24, 20223 updates tracked since enumeration
NPPES CertifiedAugust 24, 2022
✔ NPI 1871097550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in CA · 177939
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Also ListedDermatology · Procedural DermatologyTaxonomy 207NS0135X · License 177939 (CA)
552 W FOOTHILL BLVD STE 202, Glendora, CA 91741
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christopher Tomassian Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921333626
PECOS Enrollment IDI20220926000357
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
616 services97 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
239 services153 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
167 services119 patients
Destruction of skin growth, 1-14 growths 17110
"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.
149 services114 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
116 services116 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
99 services66 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91741 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. VIRGINIA ALVARADO JONES MD
Dermatology
552 W FOOTHILL BLVD STE 202
GLENDORA, CA 91741
Los Angeles County (626) 240-2020
DERMATOLOGY COLLECTIVE INC
Dermatology
552 W FOOTHILL BLVD STE 202
GLENDORA, CA 91741
Los Angeles County (818) 795-8252

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Tomassian's NPI number?

The NPI number for Christopher Tomassian is 1871097550. It was assigned to this individual provider in the NPPES registry on March 19, 2018.

Where is Christopher Tomassian located?

Christopher Tomassian practices at 552 W Foothill Blvd Ste 202, Glendora, CA 91741. The listed phone number is (818) 795-8252.

What is Christopher Tomassian's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Christopher Tomassian enrolled in Medicare?

Yes. Christopher Tomassian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Christopher Tomassian was last updated on August 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.