Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. BONNIE L BALZER MD
NPI 1649247602
Pathology - Clinical Pathology/Laboratory Medicine in West Hollywood, CA

Q: What is Bonnie Balzer's NPI number?

The NPI number for Bonnie Balzer is 1649247602. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Q: What is Bonnie Balzer's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Q: When was this NPI record last updated?

The NPPES record for Bonnie Balzer was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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 March 08, 2006PECOS EnrolledAccepts Medicare Assignment

85.71/100

CMS Quality Rating

8700 BEVERLY BLVD, WEST HOLLYWOOD, CA 90048(310) 423-6623 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 6, 2026, Jun 17, 2020, Feb 15, 2017 (3 updates tracked since 2017).

On this page

About Dr. Bonnie L Balzer Md NPPES

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

DR. BONNIE L BALZER MD (NPI 1649247602) is an individual clinical pathology/laboratory medicine provider in West Hollywood, California, licensed in California (A78681) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in West Hollywood, and is a graduate of Stanford University School Of Medicine (2000).

NPPES Registry Identity

NPI1649247602

Entity TypeIndividualFemale

Primary Taxonomy207ZP0105X

Provider Legal NameDR. BONNIE L BALZERCredential: MD

Location Address8700 BEVERLY BLVDWest Hollywood, CA 90048-1804

Mailing Address8700 Beverly BlvdWest Hollywood, CA 90048-1804 · (310) 423-6623

Phone(310) 423-6623

Sole ProprietorNo

Medical School CMSStanford University School Of MedicineGraduated 2000

Enumeration DateMarch 8, 2006

Last NPPES UpdateJuly 6, 20263 updates tracked since enumeration

NPPES CertifiedJuly 6, 2026

✔ NPI 1649247602 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0105X

License✔ Licensed in CA · A78681

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

8700 BEVERLY BLVD, West Hollywood, CA 90048

Open in Google Maps ↗

Secondary Practice Location 1

Location 1750 N San Vicente Blvd Ste 800WWest Hollywood, CA 90069-5788 · Phone (408) 203-3647

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

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

Dr. Bonnie L Balzer Md 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 ID6709894041

PECOS Enrollment IDI20060329000241

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 27

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

2,132 services1,344 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

415 services65 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

395 services93 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

273 services159 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

150 services134 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

130 services103 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

127 services115 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

124 services96 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

115 services79 patients

Special stained specimen slides to examine tissue, initial procedure 88342

101 services84 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

82 services27 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

73 services44 patients

Antibody evaluation, each additional single antibody stain procedure 88350

An antibody evaluation involves testing a sample of your body fluid (like blood) to identify specific antibodies. Each additional single antibody stain procedure is a separate test for another specific antibody. This helps in diagnosing various health conditions by understanding your body's immune response.

59 services15 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

46 services41 patients

Microscopic genetic analysis of tumor, using computer-assisted technology 88361

Microscopic genetic analysis of a tumor uses advanced computer technology to examine the genetic makeup of the tumor cells. This helps to understand the tumor better and tailor a treatment plan. It's a non-invasive procedure and provides valuable insights for your healthcare team.

46 services13 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

34 services27 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

Special stained specimen slides are used to study tissue in detail. This multiplex procedure involves applying different dyes to the tissue sample on a slide to highlight specific elements. These colors help identify any abnormalities in the tissue, aiding in accurate diagnosis and treatment planning.

33 services32 patients

Surgical pathology consultation and report on referred slides prepared elsewhere 88321

A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.

32 services32 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

30 services20 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

21 services19 patients

Microscopic genetic analysis of tumor, manual 88360

20 services19 patients

Genetic sequencing localization, initial procedure 88365

Genetic sequencing localization is a process to identify where specific genes are located in your DNA. During the initial procedure, a sample of your cells is collected, usually through a simple swab or blood test. This data is then analyzed to pinpoint the location of certain genes. This can help understand your genetic makeup and potential health risks.

18 services17 patients

Antibody evaluation, initial single antibody stain procedure 88346

An antibody evaluation, initial single antibody stain procedure is a laboratory test. It's designed to identify specific proteins, or antibodies, in your body. This can help diagnose certain conditions or monitor your immune system's response to treatments. The procedure involves staining a single type of antibody for detection.

15 services15 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

14 services14 patients

Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 88377

Microscopic genetic analysis of tissue is a detailed lab process that examines your cells' genetic material. If more than one stain procedure is needed, it's termed an 'additional multiplex stain procedure'. This helps to highlight different components within your cells, aiding in accurate diagnosis and treatment planning.

14 services14 patients

Genetic sequencing localization, each additional procedure 88364

Genetic sequencing localization is a process where specific regions of your DNA are identified and studied. If you're having additional procedures, it simply means that more areas of your DNA are being examined. This helps to understand your genetic makeup better and can assist in identifying potential health risks.

13 services12 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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.

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.

85.71/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

85.67

Promoting Interoperability

100

Improvement Activities

Cost

61.47

Other Providers at the Same Location NPPES 20

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

DR. BERNICE LOUISE COLEMAN PH.D, ACNP-BC

Nurse Practitioner (Acute Care)

8700 BEVERLY BLVD, NORTH TOWER ROOM 6215
WEST HOLLYWOOD, CA 90048

Los Angeles County (310) 423-6178

DR. INGRID LEAH DOMBROWER M.D.

Psychiatry & Neurology (Psychiatry)

8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048

Los Angeles County (310) 423-2871

ELAINE WITTERT MSW

Social Worker (Clinical)

8700 BEVERLY BLVD, SUITE AC1002
WEST HOLLYWOOD, CA 90048

Los Angeles County (310) 423-3119

DR. KENAN MOHAMMED NADAR D.O.

Pediatrics

8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048

Los Angeles County (310) 423-4451

HAE YOON GRACE CHOUNG MD

Pathology (Anatomic Pathology & Clinical Pathology)

8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048

Los Angeles County (310) 423-6623

CASEY DISTASO MD

Emergency Medicine

8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048

Los Angeles County (310) 423-8780

CHIARA CASAS NP

Nurse Practitioner (Pediatrics)

8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048

Los Angeles County (310) 423-3277

PHILIP CHENG MD

Student in an Organized Health Care Education/Training Program

8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048

Los Angeles County (310) 423-1682

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 Bonnie Balzer's NPI number?

The NPI number for Bonnie Balzer is 1649247602. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Bonnie Balzer located?

Bonnie Balzer practices at 8700 Beverly Blvd, West Hollywood, CA 90048. The listed phone number is (310) 423-6623.

What is Bonnie Balzer's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is Bonnie Balzer enrolled in Medicare?

Yes. Bonnie Balzer 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.

What insurance does Bonnie Balzer accept?

Health plans from UnitedHealthcare list Bonnie Balzer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Bonnie Balzer was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.