DR. DAVID S. NAMAZY M.D.
NPI 1477558013
Internal Medicine - Nephrology in San Diego, CA

Q: What is David Namazy's NPI number?

The NPI number for David Namazy is 1477558013. It was assigned to this individual provider in the NPPES registry on June 20, 2005.

Q: What is David Namazy's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for David Namazy was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.

Active since June 20, 2005PECOS EnrolledAccepts Medicare Assignment

6402 EL CAJON BLVD STE 100, SAN DIEGO, CA 92115(619) 582-4490(619) 582-4737 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 7, 2026, Jan 26, 2021 (2 updates tracked since 2021).

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About Dr. David S. Namazy M.d. NPPES

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

DR. DAVID S. NAMAZY M.D. (NPI 1477558013) is an individual nephrology provider in San Diego, California, licensed in California (A74630) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At Houston (1995).

NPPES Registry Identity

NPI1477558013

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. DAVID S. NAMAZYCredential: M.D.

Location Address6402 EL CAJON BLVD STE 100San Diego, CA 92115-2645

Mailing Address9373 Hazard Way Ste 200San Diego, CA 92123-1226 · (858) 810-8000 · Fax (858) 268-1911

Phone(619) 582-4490

Fax(619) 582-4737

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1995

Enumeration DateJune 20, 2005

Last NPPES UpdateAugust 7, 20262 updates tracked since enumeration

NPPES CertifiedAugust 7, 2026

✔ NPI 1477558013 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 · A74630

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.

6402 EL CAJON BLVD STE 100, San Diego, CA 92115

Open in Google Maps ↗

Other Identifiers 1

OtherA74630CA · License

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. David S. Namazy 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 ID2163483959

PECOS Enrollment IDI20041025000878

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 Reassignments

Medicare enrollment records show David Namazy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency And Acute Care Medical Corporation

5.9 mi

Emergency Medicine

7901 FROST ST
San Diego, CA 92123

Reassigned Medicare billing, California enrollment
1,437 clinicians in this Medicare group

NPI 1437103942 (858) 939-3400

Balboa Nephrology Medical Group, Inc.

6.2 mi

Nephrology

9373 HAZARD WAY STE 200
San Diego, CA 92123

Reassigned Medicare billing, California enrollment
85 clinicians in this Medicare group

NPI 1316997505 (858) 810-8000

Sharp Rees-Stealy Medical Group, Inc

8.1 mi

Internal Medicine

5651 COPLEY DR STE A
San Diego, CA 92111

Reassigned Medicare billing, California enrollment
1,233 clinicians in this Medicare group

NPI 1285616177 (858) 262-6666

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 22

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

7,430 services115 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

273 services209 patients

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902

This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.

257 services217 patients

Insertion of tube into chest or arm artery, each first order branch 36215

This procedure involves placing a thin tube into a chest or arm artery. It is done to monitor blood pressure, take blood samples, or deliver medications. The tube may also be inserted into each first order branch, which are the initial divisions of the main artery.

153 services110 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

152 services109 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.

145 services23 patients

Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube 36905

This procedure involves eliminating a blood clot in your hemodialysis circuit, ensuring smooth blood flow. A balloon tube is used to widen the dialysis segment if needed. Images are taken and reviewed by a radiologist to confirm successful completion.

131 services99 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

105 services57 patients

Removal of tunneled central venous tube 36589

A tunneled central venous tube removal is a procedure to take out a long, thin tube that was previously placed in a large vein in your body. This tube helps deliver medication or nutrition. The removal is usually quick and done under local anesthesia.

66 services65 patients

Complete ultrasound of artery and vein blood flow pre-op assessment on both sides of body for hemodialysis access 93985

This procedure involves using ultrasound technology to examine the blood flow in your arteries and veins on both sides of your body. It's crucial for preparing for hemodialysis access, ensuring safe and effective treatment.

64 services63 patients

Balloon dilation of dialysis segment with review by radiologist 36907

Balloon dilation of a dialysis segment is a procedure where a tiny balloon is inserted and inflated in a narrowed area of your dialysis access site, improving blood flow. A radiologist reviews images to ensure success.

59 services50 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

56 services53 patients

Insertion of needle and/or tube into hemodialysis circuit with review by radiologist 36901

This procedure involves inserting a needle or tube into your hemodialysis circuit, which is part of the system that cleans your blood when your kidneys can't. A radiologist, a doctor specialized in imaging techniques, will review the process to ensure everything is correct.

54 services51 patients

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.

53 services36 patients

Insertion of tunneled central venous tube for infusion (5 years or older) 36558

The insertion of a tunneled central venous tube is a procedure where a thin, flexible tube is placed into a large vein, usually in the neck or chest. This tube allows healthcare providers to give medications, fluids, or nutrients directly into your bloodstream over a longer period.

36 services36 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

36 services36 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

28 services28 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.

28 services18 patients

Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment and placement of stent with review by radiologist 36906

This is a procedure to improve your dialysis treatment. If a blood clot blocks your dialysis circuit, it's removed or dissolved. If the dialysis segment is narrow, a balloon is used to widen it. Sometimes, a stent is placed to keep it open. A radiologist reviews all these steps to ensure accuracy.

26 services25 patients

Replacement of tunneled central venous tube 36581

A tunneled central venous tube replacement is a procedure where an existing tube, used to deliver medication or nutrition directly to a large vein, is replaced. This is done under local anesthesia and involves inserting a new tube through a small incision.

20 services19 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.

19 services13 patients

Insertion of needle and/or tube into hemodialysis circuit and insertion of stent in dialysis segment with review by radiologist 36903

This procedure involves placing a needle or tube into your hemodialysis circuit, a system used to clean your blood when kidneys are not working properly. A stent, a small tube, is then inserted into the dialysis segment to keep it open. A radiologist reviews the process to ensure accuracy.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92115 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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 3

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

BALBOA NEPHROLOGY MEDICAL GROUP,INC.

Clinic/Center (Ambulatory Surgical)

6402 EL CAJON BLVD STE 100
SAN DIEGO, CA 92115

San Diego County (619) 582-4490

DR. TERRY L. BEHREND M.D.

Internal Medicine (Nephrology)

6402 EL CAJON BLVD STE 100
SAN DIEGO, CA 92115

San Diego County (619) 582-4490

BALBOA NEPHROLOGY ASSOCIATES

Clinic/Center (Ambulatory Surgical)

6402 EL CAJON BLVD STE 100
SAN DIEGO, CA 92115

San Diego County (619) 582-4490

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 David Namazy's NPI number?

The NPI number for David Namazy is 1477558013. It was assigned to this individual provider in the NPPES registry on June 20, 2005.

Where is David Namazy located?

David Namazy practices at 6402 El Cajon Blvd Ste 100, San Diego, CA 92115. The listed phone number is (619) 582-4490.

What is David Namazy's specialty?

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

Is David Namazy enrolled in Medicare?

Yes. David Namazy 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 organizations bill Medicare for David Namazy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Namazy reassigns Medicare benefits to 3 organizations: Emergency And Acute Care Medical Corporation (San Diego, CA), Balboa Nephrology Medical Group, Inc. (San Diego, CA) and Sharp Rees-Stealy Medical Group, Inc (San Diego, CA). Each 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 David Namazy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Namazy was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.