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JOAN BOOKER KEEL CNP
NPI 1942531934
Nurse Practitioner in Boston, MA

Active since January 15, 2010PECOS Enrolled
100 CAMBRIDGE ST FL 14, BOSTON, MA 02114(888) 731-8994 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 5, 2026, Dec 23, 2024, Feb 6, 2024 (3 updates tracked since 2024).

About Joan Booker Keel Cnp NPPES

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

JOAN BOOKER KEEL CNP (NPI 1942531934) is an individual nurse practitioner in Boston, Massachusetts, licensed in Massachusetts (RN2328589) and active in the NPI registry since January 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942531934
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameJOAN BOOKER KEELCredential: CNP
Location Address100 CAMBRIDGE ST FL 14Boston, MA 02114-2509
Mailing Address100 Cambridge St Fl 14Boston, MA 02114-2509 · (888) 731-8994
Phone(888) 731-8994
Sole ProprietorNo
Enumeration DateJanuary 15, 2010
Last NPPES UpdateFebruary 5, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
✔ NPI 1942531934 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 MA · RN2328589
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.
100 CAMBRIDGE ST FL 14, Boston, MA 02114
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Other Names 1

Former Name (1)Joan Booker Cnp

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joan Booker Keel Cnp 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 Joan Keel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physicians Of Cape Cod Hospital
64 mi
Neuroradiology
27 PARK ST
Hyannis, MA 02601
  • Reassigned Medicare billing, Massachusetts enrollment
  • 678 clinicians in this Medicare group
NPI 1679832364 (508) 957-8667

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
29 services24 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
25 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

ALLISON HAMEL PSYCHIATRY
Nurse Practitioner (Psychiatric/Mental Health)
100 CAMBRIDGE ST FL 14
BOSTON, MA 02114
Suffolk County (508) 452-2709
WILEISHA GONZALEZ
Psychologist (Counseling)
100 CAMBRIDGE ST FL 14
BOSTON, MA 02114
Suffolk County (832) 744-2371
TRUST THERAPEUTICS LLC
Counselor (Mental Health)
100 CAMBRIDGE ST FL 14
BOSTON, MA 02114
Suffolk County (413) 372-8572
ALLISON P HAMEL PMHNP-BC, FNP-C
Nurse Practitioner
100 CAMBRIDGE ST FL 14
BOSTON, MA 02114
Suffolk County (508) 452-2709
MADISON RAE CAMELO LMHC
Counselor (Mental Health)
100 CAMBRIDGE ST FL 14
BOSTON, MA 02114
Suffolk County (646) 941-7645
ALEXANDRA STELLA KILE NP
Nurse Practitioner (Family)
100 CAMBRIDGE ST FL 14
BOSTON, MA 02114
Suffolk County (888) 731-8994
CHIE MITSUI LMHC
Counselor (Mental Health)
100 CAMBRIDGE ST FL 14
BOSTON, MA 02114
Suffolk County (646) 941-7645
JULIO ALEJANDRO SOTO RODRIGUEZ
Social Worker (Clinical)
100 CAMBRIDGE ST FL 14
BOSTON, MA 02114
Suffolk County (800) 454-2439

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 Joan Keel's NPI number?

The NPI number for Joan Keel is 1942531934. It was assigned to this individual provider in the NPPES registry on January 15, 2010. The provider is also known as Joan Booker Cnp.

Where is Joan Keel located?

Joan Keel practices at 100 Cambridge St Fl 14, Boston, MA 02114. The listed phone number is (888) 731-8994.

What is Joan Keel's specialty?

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

Is Joan Keel enrolled in Medicare?

Yes. Joan Keel is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joan Keel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joan Keel reassigns Medicare benefits to Physicians Of Cape Cod Hospital (Hyannis, MA). 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 Joan Keel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joan Keel accept?

Health plans from UnitedHealthcare list Joan Keel 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 Joan Keel was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.