Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHARINE SEWELL CRNP-PMH
NPI 1689199259
Nurse Practitioner - Psychiatric/Mental Health in Belcamp, MD

Active since August 04, 2017PECOS Enrolled
4690 MILLENNIUM DR STE 337, BELCAMP, MD 21017(443) 294-8218 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 17, 2026, Aug 4, 2017 (2 updates tracked since 2017).

About Katharine Sewell Crnp-pmh NPPES

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

KATHARINE SEWELL CRNP-PMH (NPI 1689199259) is an individual psychiatric/mental health provider in Belcamp, Maryland, licensed in Maryland (R171451) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689199259
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameKATHARINE SEWELLCredential: CRNP-PMH
Location Address4690 MILLENNIUM DR STE 337Belcamp, MD 21017-1523
Mailing Address1307 Tralee CirAberdeen, MD 21001-2643 · (443) 760-5464
Sole ProprietorYes
Enumeration DateAugust 4, 2017
Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
NPI 1689199259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in MD · R171451
4690 MILLENNIUM DR STE 337, Belcamp, MD 21017

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Katharine Sewell Crnp-pmh 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.

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.
14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21017 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 Katharine Sewell's NPI number?

The NPI number for Katharine Sewell is 1689199259. It was assigned to this individual provider in the NPPES registry on August 4, 2017.

Where is Katharine Sewell located?

Katharine Sewell practices at 4690 Millennium Dr Ste 337, Belcamp, MD 21017. The listed phone number is (443) 294-8218.

What is Katharine Sewell's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Katharine Sewell enrolled in Medicare?

Yes. Katharine Sewell is registered in the Medicare PECOS enrollment system.

What insurance does Katharine Sewell accept?

Health plans from Providence Health Plan list Katharine Sewell 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 Katharine Sewell was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.