CAROLINE GRACE MAHN
NPI 1932877065
Nurse Practitioner in Worcester, MA

Q: What is Caroline Mahn's NPI number?

The NPI number for Caroline Mahn is 1932877065. It was assigned to this individual provider in the NPPES registry on September 2, 2021.

Q: What is Caroline Mahn'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 Caroline Mahn was last updated on June 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 September 02, 2021PECOS EnrolledAccepts Medicare Assignment

5 NEPONSET ST, WORCESTER, MA 01606(508) 595-2300(508) 853-5226 Get Directions Write a Review

NPPES record last updated: June 3, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jun 3, 2025, Sep 9, 2024 (2 updates tracked since 2024).

On this page

About Caroline Grace Mahn NPPES

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

CAROLINE GRACE MAHN (NPI 1932877065) is an individual nurse practitioner in Worcester, Massachusetts, licensed in Massachusetts (RN2322044) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, is affiliated with St Vincent Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1932877065

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameCAROLINE GRACE MAHN

Location Address5 NEPONSET STWorcester, MA 01606-2714

Mailing Address5 Neponset St Fl Center12Worcester, MA 01606-2714 · (508) 852-0600

Phone(508) 595-2300

Fax(508) 853-5226

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateSeptember 2, 2021

Last NPPES UpdateJune 3, 20252 updates tracked since enumeration

NPPES CertifiedJune 3, 2025

✔ NPI 1932877065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in MA · RN2322044

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.

Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License RN2322044 (MA)

5 NEPONSET ST, Worcester, MA 01606

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Caroline Grace Mahn 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 ID547668014

PECOS Enrollment IDI20211013003281

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.

St Vincent Hospital

Acute Care Hospitals · Worcester, MA

2/5 CMS rating

OwnershipProprietary

CMS Certification Number220176

Location123 Summer StreetWorcester, MA 01608 · Worcester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01606 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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.

DR. PRANATHI NARAYANAREDDY

Internal Medicine (Rheumatology)