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JENNIFER CARY BARNWELL CRNP
NPI 1235413188
Nurse Practitioner - Adult Health in Washington, DC

Active since October 10, 2011PECOS EnrolledAccepts Medicare Assignment
601 NEW JERSEY AVE NW STE 200, WASHINGTON, DC 20001(202) 204-7092(415) 252-7176 Get Directions Write a Review

NPPES record last updated: March 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2025, Jan 25, 2021, Dec 3, 2020 (3 updates tracked since 2020).

About Jennifer Cary Barnwell Crnp NPPES

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

JENNIFER CARY BARNWELL CRNP (NPI 1235413188) is an individual adult health provider in Washington, District Of Columbia, licensed in District Of Columbia (RN1037618) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Washington, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1235413188
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameJENNIFER CARY BARNWELLCredential: CRNP
Location Address601 NEW JERSEY AVE NW STE 200Washington, DC 20001-3030
Mailing Address106 Irving St Nw, Suite 309Washington, DC 20010-2927 · (202) 291-3122 · Fax (202) 291-0655
Phone(202) 204-7092
Fax(415) 252-7176
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateOctober 10, 2011
Last NPPES UpdateMarch 17, 20253 updates tracked since enumeration
NPPES CertifiedMarch 17, 2025
✔ NPI 1235413188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
Licenses✔ Licensed in DC · RN1037618✔ Licensed in MD · R205634✔ Licensed in FL · ARNP9248485
601 NEW JERSEY AVE NW STE 200, Washington, DC 20001
Open in Google Maps ↗

Secondary Practice Location 1

Location 1106 Irving St NW, suite 309Washington, DC 20010-2927 · Phone (202) 291-3122 · Fax (202) 291-0655

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jennifer Cary Barnwell Crnp 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 ID6608049424
PECOS Enrollment IDI20141008001304
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 Jennifer Barnwell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

One Medstar Primary Care LLC
1.0 mi
Family Medicine
1001 G ST NW, STE 200 EAST
Washington, DC 20001
  • Reassigned Medicare billing, District of Columbia enrollment
  • 162 clinicians in this Medicare group
NPI 1417571530 (202) 660-0005

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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
$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 14

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

DR. ROSE N NGANGA MD
Internal Medicine
601 NEW JERSEY AVE NW STE 200
WASHINGTON, DC 20001
District of Columbia (888) 663-6331
AYESHA SIDDIQUI MD
Family Medicine
601 NEW JERSEY AVE NW STE 200
WASHINGTON, DC 20001
District of Columbia (888) 663-6331
DR. JILLIAN ELAINE NOYES MD
Family Medicine
601 NEW JERSEY AVE NW STE 200, SUITE #400
WASHINGTON, DC 20001
District of Columbia (888) 663-6331
AMY E STULMAN ANP-BC
Nurse Practitioner (Adult Health)
601 NEW JERSEY AVE NW STE 200, SUITE 200 EAST
WASHINGTON, DC 20001
District of Columbia (202) 204-1090
DR. CHICHI UDOCHI
Internal Medicine
601 NEW JERSEY AVE NW STE 200
WASHINGTON, DC 20001
District of Columbia (202) 204-7092
SARAH BARNHART MSN, FNP-BC
Nurse Practitioner (Family)
601 NEW JERSEY AVE NW STE 200
WASHINGTON, DC 20001
District of Columbia (202) 204-7092
MICHELLE CELINE PATTERSON
Nurse Practitioner (Family)
601 NEW JERSEY AVE NW STE 200
WASHINGTON, DC 20001
District of Columbia (202) 204-7092
SHOBHNA SHUKLA CRNP
Nurse Practitioner (Family)
601 NEW JERSEY AVE NW STE 200
WASHINGTON, DC 20001
District of Columbia (888) 663-6331

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 Jennifer Barnwell's NPI number?

The NPI number for Jennifer Barnwell is 1235413188. It was assigned to this individual provider in the NPPES registry on October 10, 2011.

Where is Jennifer Barnwell located?

Jennifer Barnwell practices at 601 New Jersey Ave NW Ste 200, Washington, DC 20001. The listed phone number is (202) 204-7092.

What is Jennifer Barnwell's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Jennifer Barnwell enrolled in Medicare?

Yes. Jennifer Barnwell 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.

Which organization bills Medicare for Jennifer Barnwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Barnwell reassigns Medicare benefits to One Medstar Primary Care LLC (Washington, DC). 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 Jennifer Barnwell'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 Jennifer Barnwell was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.