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DR. ETHAN MARTIN STOLL D.O.
NPI 1770804627
Pathology - Anatomic Pathology & Clinical Pathology in Houston, TX

Active since June 15, 2010PECOS EnrolledAccepts Medicare Assignment
95.47/100
CMS Quality Rating
HOUSTON METHODIST, 6565 FANNIN ST, HOUSTON, TX 77030(346) 217-3570 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Feb 5, 2026, Mar 3, 2025, Sep 20, 2022 (3 updates tracked since 2022).

About Dr. Ethan Martin Stoll D.o. NPPES

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

DR. ETHAN MARTIN STOLL D.O. (NPI 1770804627) is an individual anatomic pathology & clinical pathology provider in Houston, Texas, licensed in Texas (Q7286) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist The Woodlands Hospital, and maintains a secondary practice location in Spring.

NPPES Registry Identity

NPI1770804627
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. ETHAN MARTIN STOLLCredential: D.O.
Location AddressHOUSTON METHODIST, 6565 FANNIN STHouston, TX 77030
Mailing Address11511 Shadow Creek PkwyPearland, TX 77584-7298 · (713) 442-0000
Phone(346) 217-3570
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, BradentonGraduated 2010
Enumeration DateJune 15, 2010
Last NPPES UpdateFebruary 5, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
✔ NPI 1770804627 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 TX · Q7286
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.
HOUSTON METHODIST, Houston, TX 77030
Open in Google Maps ↗

Secondary Practice Location 1

Location 122407 Holzwarth RdSpring, TX 77389-1933 · Phone (346) 674-4000

Other Identifiers 1

Medicaid014881200FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community Health Choice, UnitedHealthcare.Insurance ›

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

Dr. Ethan Martin Stoll D.o. 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 ID5395970800
PECOS Enrollment IDI20161011002841
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

3

Medicare enrollment records show Ethan Stoll reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Baylor College Of Medicine
7.3 mi
Anatomic Pathology & Clinical Pathology
4600 E SAM HOUSTON PKWY SOUTH
Pasadena, TX 77505
  • Reassigned Medicare billing, Texas enrollment
  • 118 clinicians in this Medicare group
NPI 1316921026 (713) 378-8930
Methodist Pathology Associates PLLC
20 mi
Anatomic Pathology & Clinical Pathology
6565 FANNIN STREET, MS205
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 87 clinicians in this Medicare group
NPI 1215995584 (346) 238-5867
Kelsey-Seybold Medical Group, PLLC
21 mi
Multi-Specialty
2727 W HOLCOMBE BLVD
Houston, TX 77025
  • Reassigned Medicare billing, Texas enrollment
  • 1,649 clinicians in this Medicare group
NPI 1013915255 (713) 442-0000

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 10

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.
1,037 services457 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.
219 services55 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.
155 services106 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.
98 services81 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.
90 services87 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.
37 services19 patients

Hospital Affiliations CMS Care Compare

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

Houston Methodist The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670122
Location17201 Interstate 45 SouthThe Woodlands, TX 77385 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

95.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.15
Improvement Activities40
Cost83.57

Other Providers at the Same Location NPPES

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

MAX W ADELMAN MD, MS
Internal Medicine (Infectious Disease)
HOUSTON METHODIST, 6560 FANNIN ST, STE 1540
HOUSTON, TX 77030
Harris County (713) 799-9997

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 Ethan Stoll's NPI number?

The NPI number for Ethan Stoll is 1770804627. It was assigned to this individual provider in the NPPES registry on June 15, 2010.

Where is Ethan Stoll located?

Ethan Stoll practices at Houston Methodist 6565 Fannin St, Houston, TX 77030. The listed phone number is (346) 217-3570.

What is Ethan Stoll's specialty?

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

Is Ethan Stoll enrolled in Medicare?

Yes. Ethan Stoll 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 Ethan Stoll's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ethan Stoll reassigns Medicare benefits to 3 organizations: Baylor College Of Medicine (Pasadena, TX), Methodist Pathology Associates PLLC (Houston, TX) and Kelsey-Seybold Medical Group, PLLC (Houston, TX). 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 Ethan Stoll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ethan Stoll accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice and UnitedHealthcare list Ethan Stoll 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.

Is Ethan Stoll affiliated with any hospitals?

According to CMS data, Ethan Stoll is affiliated with Houston Methodist The Woodlands Hospital.

When was this NPI record last updated?

The NPPES record for Ethan Stoll was last updated on February 5, 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.