Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LEONARD NATHANIEL HOWARD M.D.
NPI 1740271501
Pathology - Anatomic Pathology & Clinical Pathology in Fort Belvoir, VA

Q: What is Leonard Howard's NPI number?

The NPI number for Leonard Howard is 1740271501. It was assigned to this individual provider in the NPPES registry on November 2, 2005.

Q: What is Leonard Howard'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 Leonard Howard was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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 November 02, 2005PECOS EnrolledAccepts Medicare Assignment

83.33/100

CMS Quality Rating

9501 FARRELL RD, FORT BELVOIR, VA 22060(703) 805-0599(703) 805-9054 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Leonard Nathaniel Howard M.d. NPPES

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

DR. LEONARD NATHANIEL HOWARD M.D. (NPI 1740271501) is an individual anatomic pathology & clinical pathology provider in Fort Belvoir, Virginia, licensed in Maryland (D0039007) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (1987).

NPPES Registry Identity

NPI1740271501

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. LEONARD NATHANIEL HOWARDCredential: M.D.

Location Address9501 FARRELL RDFort Belvoir, VA 22060-5901

Mailing Address4244 Headwaters LnOlney, MD 20832-1750 · (301) 570-1754 · Fax (301) 570-1754

Phone(703) 805-0599

Fax(703) 805-9054

Sole ProprietorNo

Medical School CMSUniformed Services Uhs Fe Hebert School Of MedGraduated 1987

Enumeration DateNovember 2, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1740271501 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 MD · D0039007

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.

9501 FARRELL RD, Fort Belvoir, VA 22060

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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. Leonard Nathaniel Howard 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 ID3971671751

PECOS Enrollment IDI20081007000161

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 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.

683 services373 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

258 services131 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.

246 services48 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.

185 services105 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.

184 services180 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.

178 services122 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.

147 services38 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.

121 services116 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

63 services58 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.

51 services47 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.

38 services26 patients

Surgical pathology consultation and report on referred slides prepared elsewhere 88321

A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.

34 services34 patients

Special stained specimen slides to examine tissue, initial procedure 88342

29 services21 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.

24 services14 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.

14 services14 patients

Pathology cytologic examination of specimen during surgery, initial site 88333

A pathology cytologic examination during surgery involves taking a small sample of cells from the initial site of concern. This sample is then examined under a microscope by a pathologist to check for any abnormal or disease-causing cells. This helps guide the ongoing surgical procedure.

14 services11 patients

Hospital Affiliations CMS Care Compare

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

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210008

Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22060 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

83.33/100

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

Scored as part of a group practice

Quality

69.7

Promoting Interoperability

100

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.

DR. VIVIANNE CISNEROS WERSEL

Audiologist

9501 FARRELL RD
FORT BELVOIR, VA 22060

Fairfax County (703) 805-8345

JENNIFER B. PETERS CNM

Advanced Practice Midwife

9501 FARRELL RD
FORT BELVOIR, VA 22060

Fairfax County (703) 805-0599

MICHAEL ALLEN WIENER M.D.

Psychiatry & Neurology (Psychiatry)

9501 FARRELL RD, DEWITT ARMY COMMUNITY HOSPITLA
FORT BELVOIR, VA 22060

Fairfax County (703) 805-0342

MR. SANH DAN TRIEU BS ,RPH

Pharmacist

9501 FARRELL RD
FORT BELVOIR, VA 22060

Fairfax County (571) 231-3273

DR. ARTHUR CLIFFORD WITTICH D.O.

Obstetrics & Gynecology (Gynecology)

9501 FARRELL RD, OB/GYN SERVICE
FORT BELVOIR, VA 22060

Fairfax County (703) 805-0813

YOUN KEE CHUNG M.D.

Radiology (Diagnostic Radiology)

9501 FARRELL RD
FORT BELVOIR, VA 22060

Fairfax County (703) 805-0599

MS. CAROL BOWSER JACKSON RN

Registered Nurse (Occupational Health)

9501 FARRELL RD, BLDG 815,RM 139
FORT BELVOIR, VA 22060

Fairfax County (703) 805-0498

DR. ALEXANDRA MASTERSON PHARM.D.

Pharmacist (Pharmacotherapy)

9501 FARRELL RD, DEPARTMENT OF PHARMACY
FORT BELVOIR, VA 22060

Fairfax County (703) 805-0470

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 Leonard Howard's NPI number?

The NPI number for Leonard Howard is 1740271501. It was assigned to this individual provider in the NPPES registry on November 2, 2005.

Where is Leonard Howard located?

Leonard Howard practices at 9501 Farrell Rd, Fort Belvoir, VA 22060. The listed phone number is (703) 805-0599.

What is Leonard Howard's specialty?

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

Is Leonard Howard enrolled in Medicare?

Yes. Leonard Howard 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.

Is Leonard Howard affiliated with any hospitals?

According to CMS data, Leonard Howard is affiliated with Mercy Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Leonard Howard was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.