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MR. PETER BAKER CORNELL CRNP
NPI 1386842805
Nurse Practitioner in Baltimore, MD

Active since July 05, 2007PECOS Enrolled
600 N WOLFE STREET HALSTED 600, JOHNS HOPKINS HOSPITAL DEPARTMENT OF SURGERY, BALTIMORE, MD 21287(443) 604-3158 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 2, 2026, Apr 2, 2024 (2 updates tracked since 2024).

About Mr. Peter Baker Cornell Crnp NPPES

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

MR. PETER BAKER CORNELL CRNP (NPI 1386842805) is an individual nurse practitioner in Baltimore, Maryland, licensed in Maryland (R162453) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386842805
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameMR. PETER BAKER CORNELLCredential: CRNP
Location Address600 N WOLFE STREET HALSTED 600, JOHNS HOPKINS HOSPITAL DEPARTMENT OF SURGERYBaltimore, MD 21287-0001
Mailing Address6201 Greenleigh Ave Fl 2Middle River, MD 21220-2004
Phone(443) 604-3158
Sole ProprietorNo
Enumeration DateJuly 5, 2007
Last NPPES UpdateMarch 2, 20262 updates tracked since enumeration
NPPES CertifiedMarch 2, 2026
✔ NPI 1386842805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MD · R162453
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.
600 N WOLFE STREET HALSTED 600, Baltimore, MD 21287
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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)

Mr. Peter Baker Cornell Crnp 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 21287 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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 Peter Cornell's NPI number?

The NPI number for Peter Cornell is 1386842805. It was assigned to this individual provider in the NPPES registry on July 5, 2007.

Where is Peter Cornell located?

Peter Cornell practices at 600 N Wolfe Street Halsted 600 Johns Hopkins Hospital Department Of Surgery, Baltimore, MD 21287. The listed phone number is (443) 604-3158.

What is Peter Cornell's specialty?

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

Is Peter Cornell enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Peter Cornell was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.