Tanzina Nasreen, M.D.
Also practices: INTERNAL MEDICINE
Tanzina Nasreen, M.D. has been part of the Los Alamitos medical community since 2007 in group practice. With 28+ years of experience, she has been practicing in the Los Alamitos area. Among her Medicare patients, common conditions include hypertension, diabetes, and high cholesterol (per CMS data).
At a glance
- Prescribes opioids less than 45% of reporting doctors in California
- Uses generic medications more than 29% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 6482dNPPES updated 2008-08-06 · verify on CMS
Contact & Location
Practice Location
10941 Bloomfield St Suite a, Los Alamitos, CA 90720-2530
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better1.36%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-3.7 pts)
Typical range among reporting doctors in California1.36% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better82.3%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-0.5 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
209
Unique beneficiaries
Standard volumePrescription Recipients
180
Patients prescribed
Prescriptions Written
1,467
Total claims
Total Medicare drug cost: $397k
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, Diabetes, and High Cholesterol.
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
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+41%) — 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
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+45%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+39%) — 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 (+18%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-3%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+22%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$95 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 Tanzina Nasreen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
28 years in practice
Experienced
Nephrologists treat kidney diseases including chronic kidney disease, kidney failure requiring dialysis, glomerulonephritis, kidney stones, and electrolyte disorders. They manage dialysis access and kidney transplant follow-up.
Taxonomy: 207RN0300X
Mailing address
Po Box 1127, Los Alamitos, CA 90720-1127
Differs from practice location
Primary hospital affiliation: Psychiatric
CMS Certification Number: 194098
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Tanzina Nasreen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Tanzina Nasreen for blood pressure monitoring, diabetes check-ins, cholesterol management — no travel to Los Alamitos 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 Tanzina Nasreen
NPI records show Dr. Nasreen as active with telehealth listed in Los Alamitos, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (562) 596-1667.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Tanzina Nasreen
Practice Location
10941 Bloomfield St Suite a, Los Alamitos, CA 90720-2530
Mailing Address
Po Box 1127, Los Alamitos, CA 90720-1127
This is a provider directory. Contact the office directly to schedule appointments.
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