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PETER DENNIS
NPI 1861270605
Nurse Practitioner in Washington, DC

Active since September 21, 2023PECOS Enrolled
5255 LOUGHBORO RD NW, WASHINGTON, DC 20016(202) 537-4080(202) 537-4588 Get Directions Write a Review

NPPES record last updated: February 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 4, 2025, Sep 16, 2024 (2 updates tracked since 2024).

About Peter Dennis NPPES

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

PETER DENNIS (NPI 1861270605) is an individual nurse practitioner in Washington, District Of Columbia, licensed in District Of Columbia (NP1041492) and active in the NPI registry since September 2023. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1861270605
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NamePETER DENNIS
Location Address5255 LOUGHBORO RD NWWashington, DC 20016-2633
Mailing Address6201 Greenleigh Ave Fl 2Middle River, MD 21220-2004 · (410) 933-2704
Phone(202) 537-4080
Fax(202) 537-4588
Sole ProprietorNo
Enumeration DateSeptember 21, 2023
Last NPPES UpdateFebruary 4, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2025
✔ NPI 1861270605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses✔ Licensed in DC · NP1041492✔ Licensed in MD · R236307
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
5255 LOUGHBORO RD NW, Washington, DC 20016
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Secondary Practice Locations 2

Location 11800 Orleans StBaltimore, MD 21287-0010 · Phone (410) 955-8893
Location 250 W Edmonston Dr Ste 404Rockville, MD 20852-1274 · Phone (301) 762-7723

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Peter Dennis 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 Reassignment

Medicare enrollment records show Peter Dennis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Johns Hopkins University
37 mi
Emergency Medicine
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, District of Columbia enrollment
  • 34 clinicians in this Medicare group
NPI 1386631810 (301) 865-0800

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

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
32 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20016 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
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 20

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

DANIEL RICHARD STAIRIKER CRNP
Nurse Practitioner
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4000
HOWARD JIAHAU LI MD
Obstetrics & Gynecology
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4000
MR. JOSEPH JOHN LIBRICZ JR. P.A.-C.
Physician Assistant (Surgical)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (301) 589-3977
MICHAEL GOLDENHORN PHARMD
Pharmacist
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4769
AARON CONARD
Radiology (Radiological Physics)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (240) 366-7325
MONTY H. OPPENHEIM MD
Anesthesiology
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 243-2280
ANDREA L RICHARDSON MD PHD
Pathology (Cytopathology)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4455
DR. SHIVANI AHLAWAT MD
Radiology (Diagnostic Radiology)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4686

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 Peter Dennis's NPI number?

The NPI number for Peter Dennis is 1861270605. It was assigned to this individual provider in the NPPES registry on September 21, 2023.

Where is Peter Dennis located?

Peter Dennis practices at 5255 Loughboro Rd NW, Washington, DC 20016. The listed phone number is (202) 537-4080.

What is Peter Dennis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Peter Dennis enrolled in Medicare?

Yes. Peter Dennis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Peter Dennis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Dennis reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Peter Dennis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Peter Dennis was last updated on February 4, 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.