DR. KRISTAN MERTZ AHLER MD
NPI 1265401483
Pathology - Anatomic Pathology & Clinical Pathology in Crossville, TN

Q: What is Kristan Ahler's NPI number?

The NPI number for Kristan Ahler is 1265401483. It was assigned to this individual provider in the NPPES registry on March 17, 2006. The provider is also known as Kristan Mertz Lay MD.

Q: What is Kristan Ahler'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 Kristan Ahler was last updated on November 26, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 17, 2006PECOS EnrolledAccepts Medicare Assignment

421 S MAIN ST, CROSSVILLE, TN 38555(931) 484-9511 Get Directions Write a Review

NPPES record last updated: November 26, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Kristan Mertz Ahler Md NPPES

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

DR. KRISTAN MERTZ AHLER MD (NPI 1265401483) is an individual anatomic pathology & clinical pathology provider in Crossville, Tennessee, licensed in Tennessee (TN32051(MD)) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Cumberland Medical Center, and maintains a secondary practice location in Harriman.

NPPES Registry Identity

NPI1265401483

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. KRISTAN MERTZ AHLERCredential: MD

Location Address421 S MAIN STCrossville, TN 38555-5048

Mailing Address5301 Virginia Way Ste 300Brentwood, TN 37027-7542 · (615) 221-4400

Phone(931) 484-9511

Sole ProprietorYes

Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1994

Enumeration DateMarch 17, 2006

Last NPPES UpdateNovember 26, 2024

NPPES CertifiedNovember 26, 2024

✔ NPI 1265401483 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 TN · TN32051(MD)✔ Licensed in TN · MD0000032051

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.

421 S MAIN ST, Crossville, TN 38555

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Other Names 1

Former Name (1)Kristan Mertz Lay Md

Secondary Practice Location 1

Location 18045 Roane Medical Center DrHarriman, TN 37748-8333 · Phone (865) 316-2912 · Fax (865) 316-3717

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health.Insurance ›

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. Kristan Mertz Ahler 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 ID2860582897

PECOS Enrollment IDI20071214000187

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.

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.

814 services558 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.

245 services56 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.

113 services107 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.

70 services63 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.

64 services50 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.

46 services19 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.

45 services40 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.

40 services38 patients

Pathology examination of tissue using a microscope 88302

A pathology examination of tissue involves studying a small sample of your body's cells under a microscope. This helps identify any abnormalities or diseases, such as cancer. The process is crucial for accurate diagnosis and treatment planning.

38 services38 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.

29 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.

29 services28 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.

28 services28 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

18 services18 patients

Hospital Affiliations CMS Care Compare 2

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

Cumberland Medical Center

Acute Care Hospitals · Crossville, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440009

Location421 S Main StCrossville, TN 38555 · Cumberland County

Emergency services Birthing friendly

Roane Medical Center

Acute Care Hospitals · Harriman, TN

5/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440031

Location8045 Roane Medical Center DriveHarriman, TN 37748 · Roane County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38555 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

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

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.

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.

Reported Quality Measures

Barrett's Esophagus

Percentage of esophageal biopsy reports that document the presence of Barrett's mucosa that also include a statement about dysplasia

100%29 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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Other Providers at the Same Location NPPES 20

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

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