DR. WILLIAM GREGORY PENNY M.D.
NPI 1689069478
Pathology - Anatomic Pathology & Clinical Pathology in Fort Smith, AR

Q: What is William Penny's NPI number?

The NPI number for William Penny is 1689069478. It was assigned to this individual provider in the NPPES registry on March 30, 2015.

Q: What is William Penny'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 William Penny was last updated on February 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 30, 2015PECOS EnrolledAccepts Medicare Assignment

95.78/100

CMS Quality Rating

7301 ROGERS AVE, FORT SMITH, AR 72903(479) 452-9416(479) 242-1990 Get Directions Write a Review

NPPES record last updated: February 18, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 18, 2020, Jan 9, 2020, Nov 8, 2019 (3 updates tracked since 2019).

On this page

About Dr. William Gregory Penny M.d. NPPES

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

DR. WILLIAM GREGORY PENNY M.D. (NPI 1689069478) is an individual anatomic pathology & clinical pathology provider in Fort Smith, Arkansas, licensed in Arkansas (E-11963) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1689069478

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. WILLIAM GREGORY PENNYCredential: M.D.

Location Address7301 ROGERS AVEFort Smith, AR 72903-4100

Mailing AddressPo Box 1426Fort Smith, AR 72902-1426 · (479) 452-9416 · Fax (479) 242-1990

Phone(479) 452-9416

Fax(479) 242-1990

Sole ProprietorYes

Medical School CMSOtherGraduated 2015

Enumeration DateMarch 30, 2015

Last NPPES UpdateFebruary 18, 20203 updates tracked since enumeration

✔ NPI 1689069478 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 AR · E-11963

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.

7301 ROGERS AVE, Fort Smith, AR 72903

Open in Google Maps ↗

Secondary Practice Locations 2

Location 14301 W Markham St # 517Little Rock, AR 72205-7101 · Phone (501) 686-5356

Location 2411 E Matthews AveJonesboro, AR 72401 · Phone (870) 930-3518

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Health Advantage, Octave.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. William Gregory Penny 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 ID941516116

PECOS Enrollment IDI20190618001216

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

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

Laboratory Medicine Associates

Same address

Anatomic Pathology & Clinical Pathology

7301 ROGERS AVE
Fort Smith, AR 72903

Reassigned Medicare billing, Arkansas enrollment
5 clinicians in this Medicare group

NPI 1477513414 (479) 452-9416

Doctors' Anatomic Pathology Services, PA

208 mi

Anatomic Pathology & Clinical Pathology

411 E MATTHEWS AVE
Jonesboro, AR 72401

Reassigned Medicare billing, Arkansas enrollment
12 clinicians in this Medicare group

NPI 1841236734 (870) 930-3518

Doctors' Pathology Services, PA

208 mi

Anatomic Pathology & Clinical Pathology

411 E MATTHEWS AVE
Jonesboro, AR 72401

Reassigned Medicare billing, Arkansas enrollment
12 clinicians in this Medicare group

NPI 1417046137 (870) 930-3518

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 16

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.

1,027 services603 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.

449 services122 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.

351 services277 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.

133 services100 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.

88 services84 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.

67 services31 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.

57 services44 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.

53 services24 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.

45 services41 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.

40 services37 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

34 services19 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

23 services19 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

20 services20 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

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

15 services15 patients

Pathology examination of specimen during surgery 88329

A pathology examination during surgery involves taking a small sample of tissue for testing while the operation is ongoing. This helps the surgeon make immediate decisions about your treatment. The sample is examined under a microscope by a pathologist to identify any abnormal cells or conditions.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72903 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

$119.36 typical visit price

range $51.36 – $157.74

Typical copayment $29.84 (range $12.84 – $39.43)

Most-billed visit code 99204

Established Patient

$91.63 typical visit price

range $16.16 – $128.77

Typical copayment $22.90 (range $4.04 – $32.19)

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.

95.78/100

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

Scored as part of a group practice

Quality

Improvement Activities

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.

RUBINE FLEMING MD

Student in an Organized Health Care Education/Training Program