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DR. HERMAN OTTO IRA PFAEFFLE MD
NPI 1467080788
Internal Medicine in Washington, DC

Active since March 31, 2020PECOS Enrolled
OFFICE OF ATTENDING PHYSICIAN UNITED STATES CAPITOL, WASHINGTON, DC 20515(202) 225-5421 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 3, 2025, Jan 8, 2025, Oct 10, 2023 and 1 more (4 updates tracked since 2020).

About Dr. Herman Otto Ira Pfaeffle Md NPPES

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

DR. HERMAN OTTO IRA PFAEFFLE MD (NPI 1467080788) is an individual internal medicine provider in Washington, District Of Columbia, licensed in Virginia (0101273014) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1467080788
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. HERMAN OTTO IRA PFAEFFLECredential: MD
Location AddressOFFICE OF ATTENDING PHYSICIAN UNITED STATES CAPITOLWashington, DC 20515-0001
Mailing AddressOffice Of Attending Physician H-166Washington, DC 20515-0001 · (202) 225-5421 · Fax (202) 225-3396
Phone(202) 225-5421
Sole ProprietorNo
Enumeration DateMarch 31, 2020
Last NPPES UpdateMarch 3, 20254 updates tracked since enumeration
NPPES CertifiedMarch 3, 2025
✔ NPI 1467080788 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101273014
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.
Also ListedMilitary Health Care ProviderTaxonomy 171000000X · License 0101273014 (VA)
OFFICE OF ATTENDING PHYSICIAN UNITED STATES CAPITOL, Washington, DC 20515
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Secondary Practice Locations 3

Location 13636 High StPortsmouth, VA 23707-3236 · Phone (757) 398-2285
Location 2620 John Paul Jones Cir clePortsmouth, VA 23708-0001 · Phone (757) 953-5000
Location 38901 Rockville PikeBethesda, MD 20889-0001 · Phone (301) 319-8754

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Herman Otto Ira Pfaeffle Md 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Herman Pfaeffle reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bon Secours Medical Group Hampton Roads Specialty Care LLC
89 mi
Cardiovascular Disease
8580 MAGELLAN PKWY
Richmond, VA 23227
  • Reassigned Medicare billing, Virginia enrollment
  • 386 clinicians in this Medicare group
NPI 1629637475 (804) 627-5573
Mcv Associated Physicians
96 mi
Anesthesiology
1250 E MARSHALL ST, MAIN 1-214, BOX 980510
Richmond, VA 23298
  • Reassigned Medicare billing, Virginia enrollment
  • 2,481 clinicians in this Medicare group
NPI 1710959457 (804) 828-8707

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 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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
39 services37 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20515 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.

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 Herman Pfaeffle's NPI number?

The NPI number for Herman Pfaeffle is 1467080788. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Herman Pfaeffle located?

Herman Pfaeffle practices at Office Of Attending Physician United States Capitol, Washington, DC 20515. The listed phone number is (202) 225-5421.

What is Herman Pfaeffle's specialty?

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

Is Herman Pfaeffle enrolled in Medicare?

Yes. Herman Pfaeffle is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Herman Pfaeffle's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Herman Pfaeffle reassigns Medicare benefits to 2 organizations: Bon Secours Medical Group Hampton Roads Specialty Care LLC (Richmond, VA) and Mcv Associated Physicians (Richmond, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Herman Pfaeffle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Herman Pfaeffle accept?

Health plans from Oscar Health list Herman Pfaeffle as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Herman Pfaeffle was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.