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

ALEXANDER PLACEK M.D.
NPI 1588198634
Pathology - Anatomic Pathology & Clinical Pathology in San Marcos, CA

Q: What is Alexander Placek's NPI number?

The NPI number for Alexander Placek is 1588198634. It was assigned to this individual provider in the NPPES registry on April 16, 2017.

Q: What is Alexander Placek's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Placek was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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 April 16, 2017PECOS EnrolledAccepts Medicare Assignment

360 RUSH DR, SAN MARCOS, CA 92078(619) 952-8681(808) 533-4008 Get Directions Write a Review

NPPES record last updated: September 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 15, 2026, Apr 16, 2017 (2 updates tracked since 2017).

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About Alexander Placek M.d. NPPES

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

ALEXANDER PLACEK M.D. (NPI 1588198634) is an individual anatomic pathology & clinical pathology provider in San Marcos, California, licensed in California (A167075) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Kaiser Foundation Hospital, and is a graduate of Georgetown University School Of Medicine (2017).

NPPES Registry Identity

NPI1588198634

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameALEXANDER PLACEKCredential: M.D.

Location Address360 RUSH DRSan Marcos, CA 92078-7901

Mailing Address360 Rush DrSan Marcos, CA 92078-7901 · (619) 952-8681 · Fax (808) 533-4008

Phone(619) 952-8681

Fax(808) 533-4008

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 2017

Enumeration DateApril 16, 2017

Last NPPES UpdateSeptember 15, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 15, 2026

✔ NPI 1588198634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CA · A167075

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.

360 RUSH DR, San Marcos, CA 92078

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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

Alexander Placek 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 ID4789056029

PECOS Enrollment IDI20230214001509

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 Alexander Placek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hawaii Pathologists' Laboratory

2,615 mi

Anatomic Pathology & Clinical Pathology

1301 PUNCHBOWL ST
Honolulu, HI 96813

Reassigned Medicare billing, Hawaii enrollment
18 clinicians in this Medicare group

NPI 1114915204 (808) 691-4271

Hawaii Permanente Medical Group Inc

2,616 mi

Health Maintenance Organization

3288 MOANALUA RD
Honolulu, HI 96819

Reassigned Medicare billing, Hawaii enrollment
1,187 clinicians in this Medicare group

NPI 1710945969 (808) 432-0000

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 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.

1,443 services609 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.

485 services135 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

233 services109 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.

216 services171 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.

143 services78 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.

116 services57 patients

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

116 services26 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.

82 services42 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.

73 services52 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.

72 services70 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.

66 services26 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.

64 services57 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

44 services29 patients

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

34 services30 patients

Cell examination of specimen, concentration technique 88108

Cell examination of a specimen using a concentration technique is a lab process that enhances the detection of cells in a sample. This method helps to focus on key areas of the sample, making it easier to spot abnormalities or changes. It's a crucial part of diagnosing and monitoring certain health conditions.

33 services31 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

32 services31 patients

Special stained specimen slides to examine tissue, initial procedure 88342

32 services31 patients

Flow cytometry technique for dna or cell analysis, 16 or more markers 88189

Flow cytometry is a method used to measure and analyze cells. It uses a beam of light to detect up to 16 or more markers on cells, helping to identify their type, function, or abnormalities. This technique aids in diagnosing various health conditions.

30 services28 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.

30 services28 patients

Evaluation of fine needle aspirate 88172

Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).

29 services23 patients

Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode 88177

A Pap test is a procedure that checks for abnormal cells in the body, which could indicate a serious condition. The evaluation of a fine needle aspirate is a process where a small sample is taken with a thin needle for examination. This can be done multiple times for a thorough analysis.

27 services11 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

22 services21 patients

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

22 services14 patients

Microscopic genetic analysis of tumor, manual 88360

21 services15 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

17 services17 patients

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

17 services15 patients

Pathology cytologic examination of specimen during surgery, initial site 88333

A pathology cytologic examination during surgery involves taking a small sample of cells from the initial site of concern. This sample is then examined under a microscope by a pathologist to check for any abnormal or disease-causing cells. This helps guide the ongoing surgical procedure.

16 services15 patients

Hospital Affiliations CMS Care Compare

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

Kaiser Foundation Hospital

Acute Care Hospitals · Honolulu, HI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number120011

Location3288 Moanalua RdHonolulu, HI 96819 · Honolulu County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92078 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 14

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

KAISER FOUNDATION HOSPITALS

Pharmacy (Institutional Pharmacy)

360 RUSH DR, HOSPITAL BLDG
SAN MARCOS, CA 92078

San Diego County (442) 385-7200

JESSICA MARIE HENDERSON

Social Worker (Clinical)