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

DR. JONATHAN E FIERER M.D.
NPI 1568423143
Internal Medicine in Martinsburg, WV

Active since March 31, 2006PECOS Enrolled
510 BUTLER AVE, MARTINSBURG, WV 25401(304) 263-0811 Get Directions Write a Review

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

About Dr. Jonathan E Fierer M.d. NPPES

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

DR. JONATHAN E FIERER M.D. (NPI 1568423143) is an individual internal medicine provider in Martinsburg, West Virginia, licensed in Florida (ME53504) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1568423143
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JONATHAN E FIERERCredential: M.D.
Location Address510 BUTLER AVEMartinsburg, WV 25401-9990
Mailing Address510 Butler AveMartinsburg, WV 25401-9990 · (304) 263-0811
Phone(304) 263-0811
Sole ProprietorNo
Enumeration DateMarch 31, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1568423143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME53504
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
510 BUTLER AVE, Martinsburg, WV 25401
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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 (PECOS)

Dr. Jonathan E Fierer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 25401 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
$124.46 typical visit price
range $53.20 – $164.59
Typical copayment $31.11 (range $13.30 – $41.14)
Most-billed visit code 99204
Established Patient
$94.81 typical visit price
range $16.47 – $133.29
Typical copayment $23.70 (range $4.11 – $33.32)
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.

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.

JEANEASE LESLIE LMSW
Social Worker
510 BUTLER AVE
MARTINSBURG, WV 25401
Berkeley County (304) 263-0811
DR. MARSHA A MILLS PH.D.
Psychologist (Clinical)
510 BUTLER AVE, MENTAL HEALTH SERVICE
MARTINSBURG, WV 25401
Berkeley County (304) 263-0811
MS. BETH ANN ZNANIECKI PA-C
Physician Assistant (Medical)
510 BUTLER AVE, MARTINSBURG VETERANS ADMINISTRATION MEDICAL CENTER
MARTINSBURG, WV 25401
Berkeley County (304) 263-0811
ANGELA J HOFFMAN MSW
Social Worker (Clinical)
510 BUTLER AVE
MARTINSBURG, WV 25401
Berkeley County (304) 263-0811
DR. SUSILA RAJAKUMAR M.D.
Internal Medicine
510 BUTLER AVE
MARTINSBURG, WV 25401
Berkeley County (304) 263-0811
MS. LAURA MICHELE IRWIN R.PH,PHARM.D, CPS
Pharmacist (Pharmacotherapy)
510 BUTLER AVE
MARTINSBURG, WV 25401
Berkeley County (304) 263-0741
ANNEMARIE SULLIVAN PRICE RD
Dietitian, Registered
510 BUTLER AVE
MARTINSBURG, WV 25401
Berkeley County (304) 263-0811
VAMC MARTINSBURG
Social Worker (Clinical)
510 BUTLER AVE
MARTINSBURG, WV 25401
Berkeley County (304) 263-0811

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 Jonathan Fierer's NPI number?

The NPI number for Jonathan Fierer is 1568423143. It was assigned to this individual provider in the NPPES registry on March 31, 2006.

Where is Jonathan Fierer located?

Jonathan Fierer practices at 510 Butler Ave, Martinsburg, WV 25401. The listed phone number is (304) 263-0811.

What is Jonathan Fierer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jonathan Fierer enrolled in Medicare?

Yes. Jonathan Fierer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jonathan Fierer 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 37 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.