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MIRIAM A VELAZQUEZ DO
NPI 1063919249
Pathology - Anatomic Pathology & Clinical Pathology in Rancho Dominguez, CA

Active since April 12, 2018PECOS EnrolledAccepts Medicare Assignment
20001 S RANCHO WAY, RANCHO DOMINGUEZ, CA 90220(310) 225-3221(310) 698-7040 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 3, 2026, Nov 8, 2024, Apr 12, 2018 (3 updates tracked since 2018).

About Miriam A Velazquez Do NPPES

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

MIRIAM A VELAZQUEZ DO (NPI 1063919249) is an individual anatomic pathology & clinical pathology provider in Rancho Dominguez, California, licensed in California (20A19380) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1063919249
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameMIRIAM A VELAZQUEZCredential: DO
Location Address20001 S RANCHO WAYRancho Dominguez, CA 90220-6318
Mailing Address20001 S Rancho WayRancho Dominguez, CA 90220-6318 · (310) 225-3221 · Fax (310) 698-7040
Phone(310) 225-3221
Fax(310) 698-7040
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 12, 2018
Last NPPES UpdateFebruary 3, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 3, 2026
✔ NPI 1063919249 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 · 20A19380
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.
20001 S RANCHO WAY, Rancho Dominguez, CA 90220
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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

Miriam A Velazquez Do 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 ID3779021761
PECOS Enrollment IDI20240821004307
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

2

Medicare enrollment records show Miriam Velazquez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Affiliated Pathologists Medical Group, Inc.
Same address
Anatomic Pathology & Clinical Pathology
20001 S RANCHO WAY
Rancho Dominguez, CA 90220
  • Reassigned Medicare billing, California enrollment
  • 62 clinicians in this Medicare group
NPI 1730119553 (310) 225-3221
Excel Pathology
38 mi
Anatomic Pathology & Clinical Pathology
999 SAN BERNARDINO RD
Upland, CA 91786
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
NPI 1053022277 (909) 985-2811

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 11

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.
249 services151 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.
213 services49 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.
104 services83 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.
66 services30 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 services39 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.
30 services26 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.

Other Providers at the Same Location NPPES 5

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

DANIEL REAL MD
Pathology (Anatomic Pathology & Clinical Pathology)
20001 S RANCHO WAY
RANCHO DOMINGUEZ, CA 90220
Los Angeles County (310) 225-3244
DR. STACY J ARNOLD M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
20001 S RANCHO WAY
RANCHO DOMINGUEZ, CA 90220
Los Angeles County (310) 225-3221
ALESSANDRO DE VITO M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
20001 S RANCHO WAY
RANCHO DOMINGUEZ, CA 90220
Los Angeles County (310) 225-3244
RASAM HAJIANNASAB MD
Pathology (Anatomic Pathology & Clinical Pathology)
20001 S RANCHO WAY
RANCHO DOMINGUEZ, CA 90220
Los Angeles County (310) 225-3221
AFFILIATED PATHOLOGISTS MEDICAL GROUP, INC.
Pathology (Anatomic Pathology & Clinical Pathology)
20001 S RANCHO WAY
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 Miriam Velazquez's NPI number?

The NPI number for Miriam Velazquez is 1063919249. It was assigned to this individual provider in the NPPES registry on April 12, 2018.

Where is Miriam Velazquez located?

Miriam Velazquez practices at 20001 S Rancho Way, Rancho Dominguez, CA 90220. The listed phone number is (310) 225-3221.

What is Miriam Velazquez's specialty?

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

Is Miriam Velazquez enrolled in Medicare?

Yes. Miriam Velazquez 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 Miriam Velazquez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Miriam Velazquez reassigns Medicare benefits to 2 organizations: Affiliated Pathologists Medical Group, Inc. (Rancho Dominguez, CA) and Excel Pathology (Upland, 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 Miriam Velazquez'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 Miriam Velazquez was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.