MS. TANZINA NASREEN M.D.
NPI 1649454638
Internal Medicine - Nephrology in Los Alamitos, CA

Active since December 26, 2007PECOS EnrolledAccepts Medicare Assignment
10941 BLOOMFIELD ST, SUITE A, LOS ALAMITOS, CA 90720(562) 596-1667(562) 598-6867 Get Directions Write a Review

NPPES record last updated: August 6, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Tanzina Nasreen M.d. NPPES

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

MS. TANZINA NASREEN M.D. (NPI 1649454638) is an individual nephrology provider in Los Alamitos, California, licensed in California (A92620) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1649454638
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameMS. TANZINA NASREENCredential: M.D.
Location Address10941 BLOOMFIELD ST, SUITE ALos Alamitos, CA 90720-2530
Mailing AddressPo Box 1127Los Alamitos, CA 90720-1127 · (562) 596-1667 · Fax (562) 598-6867
Fax(562) 598-6867
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateDecember 26, 2007
Last NPPES UpdateAugust 6, 2008
NPI 1649454638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in CA · A92620
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
10941 BLOOMFIELD ST, Los Alamitos, CA 90720

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

Ms. Tanzina Nasreen M.d. 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 ID1153480587
PECOS Enrollment IDI20081030000238
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 9

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
847 services115 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
165 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
153 services37 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.
140 services43 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
125 services21 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
105 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90720 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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 10

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

Internal Medicine (Nephrology)
10941 BLOOMFIELD ST
LOS ALAMITOS, CA 90720
Specialist
10941 BLOOMFIELD ST, SUITE A.
LOS ALAMITOS, CA 90720
Internal Medicine
10941 BLOOMFIELD ST
LOS ALAMITOS, CA 90720
Nurse Practitioner (Family)
10941 BLOOMFIELD ST, SUITE #A
LOS ALAMITOS, CA 90720
Internal Medicine (Nephrology)
10941 BLOOMFIELD ST, #A
LOS ALAMITOS, CA 90720
Specialist
10941 BLOOMFIELD ST
LOS ALAMITOS, CA 90720
Internal Medicine
10941 BLOOMFIELD ST
LOS ALAMITOS, CA 90720
Internal Medicine (Cardiovascular Disease)
10941 BLOOMFIELD ST
LOS ALAMITOS, CA 90720

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 Tanzina Nasreen's NPI number?

The NPI number for Tanzina Nasreen is 1649454638. It was assigned to this individual provider in the NPPES registry on December 26, 2007.

Where is Tanzina Nasreen located?

Tanzina Nasreen practices at 10941 Bloomfield St Suite A, Los Alamitos, CA 90720. The listed phone number is (562) 596-1667.

What is Tanzina Nasreen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Tanzina Nasreen enrolled in Medicare?

Yes. Tanzina Nasreen 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 Tanzina Nasreen was last updated on August 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.