DIANA M BISHOP NP
NPI 1447954177
Nurse Practitioner in Chelmsford, MA

Q: What is Diana Bishop's NPI number?

The NPI number for Diana Bishop is 1447954177. It was assigned to this individual provider in the NPPES registry on March 28, 2023.

Q: What is Diana Bishop's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Diana Bishop was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since March 28, 2023PECOS EnrolledAccepts Medicare Assignment

290 LITTLETON RD UNIT 3, CHELMSFORD, MA 01824(978) 685-2460(978) 685-2460 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Jan 12, 2026, Mar 28, 2023 (2 updates tracked since 2023).

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About Diana M Bishop Np NPPES

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

DIANA M BISHOP NP (NPI 1447954177) is an individual nurse practitioner in Chelmsford, Massachusetts, licensed in Massachusetts (RN2304207) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1447954177

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameDIANA M BISHOPCredential: NP

Location Address290 LITTLETON RD UNIT 3Chelmsford, MA 01824-3429

Mailing Address290 Littleton Rd Unit 3Chelmsford, MA 01824-3429 · (978) 685-2460 · Fax (978) 685-2460

Phone(978) 685-2460

Fax(978) 685-2460

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateMarch 28, 2023

Last NPPES UpdateJanuary 12, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 12, 2026

✔ NPI 1447954177 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 · RN2304207

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.

290 LITTLETON RD UNIT 3, Chelmsford, MA 01824

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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 and accepts Medicare assignment

Diana M Bishop Np 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 ID4486029949

PECOS Enrollment IDI20230414000476

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Winchester Hospital

Acute Care Hospitals · Winchester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220105

Location41 Highland AvenueWinchester, MA 01890 · Middlesex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01824 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.

JOE JOSEPH M.D.

Internal Medicine