1. Home
  2. Directory
  3. Virginia
  4. Woodbridge
  5. Internal Medicine
  6. NPI Profile

DR. NAZANIN ALEMZADEH M.D
NPI 1700987823
Internal Medicine in Woodbridge, VA

Active since September 25, 2006PECOS EnrolledAccepts Medicare Assignment
88.99/100
CMS Quality Rating
12731 MARBLESTONE DR STE 200, WOODBRIDGE, VA 22192(703) 897-4700(703) 897-6603 Get Directions Write a Review

NPPES record last updated: January 5, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Nazanin Alemzadeh M.d NPPES

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

DR. NAZANIN ALEMZADEH M.D (NPI 1700987823) is an individual internal medicine provider in Woodbridge, Virginia, licensed in Virginia (0101235020) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Mary Washington Hospital, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1700987823
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. NAZANIN ALEMZADEHCredential: M.D
Location Address12731 MARBLESTONE DR STE 200Woodbridge, VA 22192-8334
Mailing AddressPo Box 2068Woodbridge, VA 22195-2068 · (703) 897-4700 · Fax (703) 897-6603
Phone(703) 897-4700
Fax(703) 897-6603
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateSeptember 25, 2006
Last NPPES UpdateJanuary 5, 2023
NPPES CertifiedJanuary 4, 2023
✔ NPI 1700987823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101235020
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
12731 MARBLESTONE DR STE 200, Woodbridge, VA 22192
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nazanin Alemzadeh 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 ID8729975115
PECOS Enrollment IDI20100803000606
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.

Medicare Billing Reassignment

Medicare enrollment records show Nazanin Alemzadeh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cardinal Internal Medicine Associates
Same address
Internal Medicine
12731 MARBLESTONE DR STE 200
Woodbridge, VA 22192
  • Reassigned Medicare billing, Virginia enrollment
  • 7 clinicians in this Medicare group
NPI 1881771467 (703) 897-4700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

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.

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.
650 services77 patients
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454
This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
527 services70 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.
481 services308 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.
328 services214 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
316 services316 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
218 services22 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mary Washington Hospital

Acute Care Hospitals · Fredericksburg, VA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490022
Location1001 Sam Perry BoulevardFredericksburg, VA 22401 · Fredericksburg City County
Emergency services Birthing friendly

Sentara Northern Virginia Medical Center

Acute Care Hospitals · Woodbridge, VA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490113
Location2300 Opitz BoulevardWoodbridge, VA 22191 · Prince William County
Emergency services Birthing friendly

Stafford Hospital, LLC

Acute Care Hospitals · Stafford, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490140
Location101 Hospital Center BoulevardStafford, VA 22554 · Stafford County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22192 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.15
Promoting Interoperability100
Improvement Activities40
Cost69.17

Reported Quality Measures

Adult Sinusitis: Antibiotic Prescribed for Acute Viral Sinusitis (Overuse)
Percentage of patients, aged 18 years and older, with a diagnosis of acute viral sinusitis who were prescribed an antibiotic within 10 days after onset of symptoms
Lower rates are better for this measure.
64%70 patients2/55-star benchmark: 100%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
86%211 patients4/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%4,300 patients5/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
57%3,100 patients2/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
1%285 patients1/55-star benchmark: 98%
Ischemic Vascular Disease (IVD): Use of Aspirin or Another Antiplatelet
Percentage of patients 18 years of age and older who were diagnosed with acute myocardial infarction (AMI), coronary artery bypass graft (CABG) or percutaneous coronary interventions (PCI) in the 12 months prior to the measurement period, or who had an active…
88%25 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
1%858 patients1/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
67%594 patients3/55-star benchmark: 95%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
28%1,992 patients2/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
1%1,892 patients1/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
91%858 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
75%858 patients4/55-star benchmark: 79%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 13

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
21 suppliers53 claims120 services$5.51 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers15 claims18 services$1.01 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
5 suppliers25 claims25 services$33.27 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
7 suppliers21 claims21 services$76.17 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
8 suppliers26 claims66 services$26.02 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers16 claims82 services$15.16 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

ABU SHERIFF NP
Clinical Nurse Specialist (Adult Health)
12731 MARBLESTONE DR STE 200
WOODBRIDGE, VA 22192
Prince William County (703) 897-4700
ARZOO K BASHIR
Nurse Practitioner (Family)
12731 MARBLESTONE DR STE 200
WOODBRIDGE, VA 22192
Prince William County (703) 897-4700
CARDINAL INTERNAL MEDICINE ASSOCIATES
Internal Medicine
12731 MARBLESTONE DR STE 200
WOODBRIDGE, VA 22192
Prince William County (703) 897-4700

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 Nazanin Alemzadeh's NPI number?

The NPI number for Nazanin Alemzadeh is 1700987823. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Where is Nazanin Alemzadeh located?

Nazanin Alemzadeh practices at 12731 Marblestone Dr Ste 200, Woodbridge, VA 22192. The listed phone number is (703) 897-4700.

What is Nazanin Alemzadeh's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nazanin Alemzadeh enrolled in Medicare?

Yes. Nazanin Alemzadeh 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.

Which organization bills Medicare for Nazanin Alemzadeh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nazanin Alemzadeh reassigns Medicare benefits to Cardinal Internal Medicine Associates (Woodbridge, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nazanin Alemzadeh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nazanin Alemzadeh affiliated with any hospitals?

According to CMS data, Nazanin Alemzadeh is affiliated with Mary Washington Hospital, Sentara Northern Virginia Medical Center and Stafford Hospital, LLC.

When was this NPI record last updated?

The NPPES record for Nazanin Alemzadeh was last updated on January 5, 2023. 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.