DR. NICOLAS GALLEGOS II M.D.
NPI 1205129509
Pathology - Anatomic Pathology & Clinical Pathology in Rancho Dominguez, CA

Q: What is Nicolas Gallegos's NPI number?

The NPI number for Nicolas Gallegos is 1205129509. It was assigned to this individual provider in the NPPES registry on May 18, 2011.

Q: What is Nicolas Gallegos'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 Nicolas Gallegos was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 May 18, 2011PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

2374 E PACIFICA PL, RANCHO DOMINGUEZ, CA 90220(310) 225-3244(310) 698-7040 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 15, 2026, Sep 25, 2020, Mar 17, 2018 and 1 more (4 updates tracked since 2018).

On this page

About Dr. Nicolas Gallegos Ii M.d. NPPES

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

DR. NICOLAS GALLEGOS II M.D. (NPI 1205129509) is an individual anatomic pathology & clinical pathology provider in Rancho Dominguez, California, licensed in California (A124479) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, San Diego School Of Medicine (2011).

NPPES Registry Identity

NPI1205129509

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. NICOLAS GALLEGOS IICredential: M.D.

Location Address2374 E PACIFICA PLRancho Dominguez, CA 90220-6214

Mailing Address2374 E Pacifica PlRancho Dominguez, CA 90220-6214 · (310) 225-3244 · Fax (310) 698-7040

Phone(310) 225-3244

Fax(310) 698-7040

Sole ProprietorYes

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2011

Enumeration DateMay 18, 2011

Last NPPES UpdateJanuary 15, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 15, 2026

✔ NPI 1205129509 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

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

Taxonomy Code207ZP0102X

License✔ Licensed in CA · A124479

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.

Also ListedPathology · CytopathologyTaxonomy 207ZC0500X · License A124479 (CA)

2374 E PACIFICA PL, Rancho Dominguez, CA 90220

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Secondary Practice Locations 2

Location 12374 E Pacifica PlRancho Dominguez, CA 90220-6214 · Phone (310) 225-3244 · Fax (310) 698-7040

Location 21000 FivepointIrvine, CA 92618-2621 · Phone (888) 333-4673

Other Identifiers 1

OtherCB307397CA · Pathology

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. Nicolas Gallegos Ii 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 ID8224312319

PECOS Enrollment IDI20170605000691

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 13

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.

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.

331 services70 patients

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.

249 services189 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.

138 services69 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.

117 services88 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.

94 services26 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.

55 services46 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.

43 services37 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.

35 services27 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.

19 services19 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.

16 services13 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).

14 services11 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.

11 services11 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90220 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.

100/100

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

Scored as part of a group practice

Quality

100

Improvement Activities

Cost

90.14

Other Providers at the Same Location NPPES 15

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

SUCHETHA ADIGA M.D.

Pathology (Cytopathology)

2374 E PACIFICA PL
RANCHO DOMINGUEZ, CA 90220

Los Angeles County (310) 225-3244

DR. JENNIFER F O'DELL MD

Pathology (Anatomic Pathology & Clinical Pathology)

2374 E PACIFICA PL
RANCHO DOMINGUEZ, CA 90220

Los Angeles County (310) 225-3244

FABIOLA MEDEIROS M.D.

Pathology (Anatomic Pathology)

2374 E PACIFICA PL
COMPTON, CA 90220

Los Angeles County (310) 225-3221

GEORGIA LILES TUNSTILL M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

2374 E PACIFICA PL
RANCHO DOMINGUEZ, CA 90220

Los Angeles County (310) 225-3244

SCOTT BINDER MD

Pathology (Anatomic Pathology)

2374 E PACIFICA PL
RANCHO DOMINGUEZ, CA 90220

Los Angeles County (310) 693-0718

DR. NICHOLAS MAX HARDING-JACKSON MD

Pathology (Anatomic Pathology & Clinical Pathology)

2374 E PACIFICA PL
RANCHO DOMINGUEZ, CA 90220

Los Angeles County (310) 225-3244

SOC PATHOLOGY MEDICAL GROUP INC.

Pathology (Anatomic Pathology & Clinical Pathology)

2374 E PACIFICA PL
RANCHO DOMINGUEZ, CA 90220

Los Angeles County (310) 225-3221

DR. CHRISTOPHER DAVID AKE D.O.

Pathology (Anatomic Pathology & Clinical Pathology)

2374 E PACIFICA PL
RANCHO DOMINGUEZ, CA 90220

Los Angeles County (310) 225-3221

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 Nicolas Gallegos's NPI number?

The NPI number for Nicolas Gallegos is 1205129509. It was assigned to this individual provider in the NPPES registry on May 18, 2011.

Where is Nicolas Gallegos located?

Nicolas Gallegos practices at 2374 E Pacifica Pl, Rancho Dominguez, CA 90220. The listed phone number is (310) 225-3244.

What is Nicolas Gallegos's specialty?

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

Is Nicolas Gallegos enrolled in Medicare?

Yes. Nicolas Gallegos 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 Nicolas Gallegos was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.