RACHELLE PACAANAS MENDOZA MD
NPI 1699290858
Pathology - Anatomic Pathology & Clinical Pathology in Chicago, IL

Active since August 09, 2017PECOS EnrolledAccepts Medicare Assignment
85.17/100
CMS Quality Rating
5841 S MARYLAND AVE RM S626, CHICAGO, IL 60637(718) 270-8173(718) 270-3313 Get Directions Write a Review

NPPES record last updated: August 3, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, May 23, 2021, Aug 9, 2017 (3 updates tracked since 2017).

About Rachelle Pacaanas Mendoza Md NPPES

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

RACHELLE PACAANAS MENDOZA MD (NPI 1699290858) is an individual anatomic pathology & clinical pathology provider in Chicago, Illinois, licensed in New York (315420) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1699290858
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameRACHELLE PACAANAS MENDOZACredential: MD
Location Address5841 S MARYLAND AVE RM S626Chicago, IL 60637-1443
Mailing Address601 Elmwood Avenue, Box 626Rochester, NY 14642-0001 · (585) 275-5662 · Fax (585) 276-2390
Fax(718) 270-3313
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateAugust 9, 2017
Last NPPES UpdateAugust 3, 20233 updates tracked since enumeration
NPPES CertifiedAugust 3, 2023
✔ NPI 1699290858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in NY · 315420✔ Licensed in IL · 036155003✔ Licensed in IL · 036.155003
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.
5841 S MARYLAND AVE RM S626, Chicago, IL 60637

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

Rachelle Pacaanas Mendoza 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 ID8123428240
PECOS Enrollment IDI20230523000575
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

4

Medicare enrollment records show Rachelle Mendoza reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
191 N MAIN ST
Wellsville, NY 14895
  • Reassigned Medicare billing, New York enrollment
  • 233 clinicians in this Medicare group
Primary Care
738 LIBRARY RD., 270617
Rochester, NY 14627
  • Reassigned Medicare billing, New York enrollment
  • 1,624 clinicians in this Medicare group
Family Medicine
1000 SOUTH AVE
Rochester, NY 14620
  • Reassigned Medicare billing, New York enrollment
  • 465 clinicians in this Medicare group
Surgery
622 W 168TH ST
New York, NY 10032
  • Reassigned Medicare billing, New York enrollment
  • 3,922 clinicians in this Medicare group

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 17

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.
419 services79 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.
225 services176 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.
209 services187 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.
144 services62 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.
128 services106 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.
115 services111 patients

Hospital Affiliations CMS Care Compare

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

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330101
Location525 East 68th StreetNew York, NY 10065 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

85.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.92
Promoting Interoperability100
Improvement Activities40
Cost62.98

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 Rachelle Mendoza's NPI number?

The NPI number for Rachelle Mendoza is 1699290858. It was assigned to this individual provider in the NPPES registry on August 9, 2017.

Where is Rachelle Mendoza located?

Rachelle Mendoza practices at 5841 S Maryland Ave Rm S626, Chicago, IL 60637. The listed phone number is (718) 270-8173.

What is Rachelle Mendoza's specialty?

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

Is Rachelle Mendoza enrolled in Medicare?

Yes. Rachelle Mendoza 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 Rachelle Mendoza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rachelle Mendoza reassigns Medicare benefits to 4 organizations: The Memorial Hospital Of William F. And Gertrude F. Jones, Inc. (Wellsville, NY), University Of Rochester (Rochester, NY), Highland Hospital Of Rochester (Rochester, NY) and Trustees Of Columbia University In The City Of New York (New York, NY). 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 Rachelle Mendoza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Rachelle Mendoza affiliated with any hospitals?

According to CMS data, Rachelle Mendoza is affiliated with New York-Presbyterian Hospital.

When was this NPI record last updated?

The NPPES record for Rachelle Mendoza was last updated on August 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.