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WILLIAM HARPSTER MD
NPI 1689683401
Internal Medicine in Washington, DC

Active since August 08, 2006PECOS EnrolledAccepts Medicare Assignment
425 2ND ST NW, WASHINGTON, DC 20001(202) 508-0506(202) 508-0525 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Harpster Md NPPES

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

WILLIAM HARPSTER MD (NPI 1689683401) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD22158) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Homeopathic Medical School (1971).

NPPES Registry Identity

NPI1689683401
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM HARPSTERCredential: MD
Location Address425 2ND ST NWWashington, DC 20001-2003
Mailing Address425 2nd St NwWashington, DC 20001-2003 · (202) 508-0506 · Fax (202) 508-0525
Phone(202) 508-0506
Fax(202) 508-0525
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Homeopathic Medical SchoolGraduated 1971
Enumeration DateAugust 8, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1689683401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DC · MD22158
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.
425 2ND ST NW, Washington, DC 20001
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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

William Harpster 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 ID8820027766
PECOS Enrollment IDI20050810000884
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 2

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.

Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
41 services26 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
18 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20001 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.

Other Providers at the Same Location NPPES 14

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

UNITY HEALTH CARE INC
Clinic/Center (Federally Qualified Health Center (FQHC))
425 2ND ST NW
WASHINGTON, DC 20001
District of Columbia (202) 469-4699
UNITY HEALTH CARE, INC
Clinic/Center (Federally Qualified Health Center (FQHC))
425 2ND ST NW
WASHINGTON, DC 20001
District of Columbia (202) 508-0500
DEANNA MILLER CAC-I
Counselor (Addiction (Substance Use Disorder))
425 2ND ST NW
WASHINGTON, DC 20001
District of Columbia (202) 783-7343
DR. THOMAS CHATFIELD GARLAND MD
Internal Medicine
425 2ND ST NW
WASHINGTON, DC 20001
District of Columbia (202) 508-0500
DR. JAMES ALOYSIUS RONAN JR. M.D.
Internal Medicine (Cardiovascular Disease)
425 2ND ST NW
WASHINGTON, DC 20001
District of Columbia (202) 745-4300
DR. CATHERINE PAGE CROSLAND MD
Internal Medicine
425 2ND ST NW, UNITY HEALTH CARE, INC
WASHINGTON, DC 20001
District of Columbia (202) 508-0500
DR. ILIAN BANDARANAYAKE M.D.
Psychiatry & Neurology (Psychiatry)
425 2ND ST NW, UNITY HEALTH CARE CCNV
WASHINGTON, DC 20001
District of Columbia (202) 508-0515
CLEAN AND SOBER STREETS
Clinic/Center (Rehabilitation, Substance Use Disorder)
425 2ND ST NW, 2 NORTH
WASHINGTON, DC 20001
District of Columbia (202) 783-7343

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 William Harpster's NPI number?

The NPI number for William Harpster is 1689683401. It was assigned to this individual provider in the NPPES registry on August 8, 2006.

Where is William Harpster located?

William Harpster practices at 425 2nd St NW, Washington, DC 20001. The listed phone number is (202) 508-0506.

What is William Harpster's specialty?

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

Is William Harpster enrolled in Medicare?

Yes. William Harpster 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.

When was this NPI record last updated?

The NPPES record for William Harpster was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.