Tamara Dahhan, D.O.
Rheumatology Internal Medicine
Patients across CA can see Tamara Dahhan, D.O. in person in Sylmar or via virtual visit — no travel required. Trained at Western University of Health Sciences College of Dental Med (class of 2012), she has been practicing for over 14 years. Among her Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data). CMS MIPS quality score: 86.1/100 (2023).
At a glance
- Prescribes opioids less than 22% of reporting doctors in California
- Uses generic medications more than 38% of reporting doctors in California
- Federal MIPS score higher than 62% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 2835dNPPES updated 2018-08-01 · verify on CMS
Contact & Location
Practice Location
14445 Olive View Dr Department of Medicine (2b-182), Sylmar, CA 91342-1437
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in California, prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202386.1/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+2.5 pts)
Average range among MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better4.48%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-0.6 pts)
4.48% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better85.3%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+2.5 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
246
Unique beneficiaries
Standard volumePrescription Recipients
246
Patients prescribed
Prescriptions Written
1,517
Total claims
Total Medicare drug cost: $1.28M
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+26%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+4%) — a focus area for this doctor
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+14%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-5%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-8%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$37 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Tamara Dahhan's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2012
Western University of Health Sciences College of Dental Med
14 years in practice
Established
Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.
Taxonomy: 207RR0500X
Education & Training
Western University of Health Sciences College of Dental Med (Class of 2012)
Mailing address
5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631
Differs from practice location
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 191326
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Tamara Dahhan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Tamara Dahhan for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Sylmar required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Tamara Dahhan
Dr. Dahhan is listed as active in the NPI registry with telehealth listed in Sylmar, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (818) 364-3205.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Tamara Dahhan
Practice Location
14445 Olive View Dr Department of Medicine (2b-182), Sylmar, CA 91342-1437
Mailing Address
5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631
This is a provider directory. Contact the office directly to schedule appointments.
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