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MARIELLE PITTS NP
NPI 1518215490
Nurse Practitioner - Adult Health in Hopkinton, MA

Active since August 27, 2012PECOS EnrolledAccepts Medicare Assignment
93.51/100
CMS Quality Rating
50 W MAIN ST, HOPKINTON, MA 01748(508) 439-0312(508) 779-6702 Get Directions Write a Review

NPPES record last updated: April 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marielle Pitts Np NPPES

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

MARIELLE PITTS NP (NPI 1518215490) is an individual adult health provider in Hopkinton, Massachusetts, licensed in Massachusetts (RN265510) and active in the NPI registry since August 2012. She is enrolled in Medicare PECOS and is a graduate of University Of Massachusetts Medical School (2012).

NPPES Registry Identity

NPI1518215490
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMARIELLE PITTSCredential: NP
Location Address50 W MAIN STHopkinton, MA 01748-1672
Mailing Address40 Sedum RdUxbridge, MA 01569-2358 · (508) 439-0312
Phone(508) 439-0312
Fax(508) 779-6702
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2012
Enumeration DateAugust 27, 2012
Last NPPES UpdateApril 21, 2025
NPPES CertifiedApril 21, 2025
✔ NPI 1518215490 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 MA · RN265510✔ Licensed in RI · APRN00771
50 W MAIN ST, Hopkinton, MA 01748
Open in Google Maps ↗

Other Names 1

Former Name (1)Marielle Zylstra

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

Marielle Pitts 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 ID840441879
PECOS Enrollment IDI20121121000234
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 Reassignments

7

Medicare enrollment records show Marielle Pitts reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Starting Line Wellness, LLC
Same address
Psychiatric/Mental Health
50 W MAIN ST
Hopkinton, MA 01748
  • Reassigned Medicare billing, Massachusetts enrollment
  • 10 clinicians in this Medicare group
NPI 1003373069 (508) 435-1250
Rx Fit Functional Medicine LLC
12 mi
Primary Care
40 SEDUM RD
Uxbridge, MA 01569
  • Reassigned Medicare billing, Massachusetts enrollment
NPI 1982293627 (508) 439-0312
Supportive Behavioral Care Of Ma LLC
15 mi
Clinical
150 LINCOLN ST
Needham, MA 02492
  • Reassigned Medicare billing, Massachusetts enrollment
  • 240 clinicians in this Medicare group
NPI 1780115519 (718) 298-4375
Meditelecare Of Massachusetts, PLLC
26 mi
Clinical
84 STATE ST
Boston, MA 02109
  • Reassigned Medicare billing, Massachusetts enrollment
  • 27 clinicians in this Medicare group
NPI 1003496506 (860) 788-6404
Massachusetts Acute Care Specialists PC
28 mi
Internal Medicine
585 LEBANON ST
Melrose, MA 02176
  • Reassigned Medicare billing, Massachusetts enrollment
  • 176 clinicians in this Medicare group
NPI 1306134812 (781) 979-3000
Ipc Hospitalists Of New England, P.C.
51 mi
Internal Medicine
819 WORCESTER ST STE 3
Springfield, MA 01151
  • Reassigned Medicare billing, Massachusetts enrollment
  • Medicare enrollment name: Ipc Hospitalists Of New England PC
  • 124 clinicians in this Medicare group
NPI 1932516176 (413) 543-6820
Alignmed Partners, PC
1,020 mi
Geriatric Medicine
420 DEAN DR
Gardendale, AL 35071
  • Reassigned Medicare billing, Massachusetts enrollment
  • 11 clinicians in this Medicare group
NPI 1881109452 (205) 631-8709

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 7

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.

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
579 services155 patients
Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional 99484
Care management for behavioral health involves a healthcare professional directing clinical staff to provide you with support for 20 minutes or more. This service can include planning your care, coordinating services, and managing your health conditions to improve your overall well-being.
439 services95 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
401 services130 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
80 services75 patients
Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 99347
An established patient home visit is a service where a healthcare professional visits your home for a 15-minute check-up. It's designed for patients who have previously seen the professional. The visit may include basic health assessments and discussions about your ongoing care.
27 services16 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01748 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.51/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.23
Improvement Activities40
Cost92.27

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%355 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

STARTING LINE WELLNESS, LLC
Nurse Practitioner (Psychiatric/Mental Health)
50 W MAIN ST
HOPKINTON, MA 01748
Middlesex County (508) 435-1250
MRS. ELIZABETH LEE THOMAS PT
Physical Therapist
50 W MAIN ST
HOPKINTON, MA 01748
Middlesex County (508) 435-0120
COMPASS MEMORY SUPPORT
Assisted Living Facility
50 W MAIN ST
HOPKINTON, MA 01748
Middlesex County (508) 435-1011
SUNDANCE REHABILITATION AGENCY, INC.
Clinic/Center (Rehabilitation)
50 W MAIN ST
HOPKINTON, MA 01748
Middlesex County (508) 435-1250
KATHERINE A. LEDGER M.A., CCC-SLP
Speech-Language Pathologist
50 W MAIN ST
HOPKINTON, MA 01748
Middlesex County (508) 435-0120
SUNDANCE REHABILITATION AGENCY, INC.
Clinic/Center (Rehabilitation)
50 W MAIN ST
HOPKINTON, MA 01748
Middlesex County (508) 435-1250
MR. DYLAN HEWINS BLACKWELL PTA
Physical Therapy Assistant
50 W MAIN ST
HOPKINTON, MA 01748
Middlesex County (508) 435-1250
CATHERINE NATALIE VALENCIA OTR/L
Occupational Therapist
50 W MAIN ST
HOPKINTON, MA 01748
Middlesex County (508) 435-0120

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 Marielle Pitts's NPI number?

The NPI number for Marielle Pitts is 1518215490. It was assigned to this individual provider in the NPPES registry on August 27, 2012. The provider is also known as Marielle Zylstra.

Where is Marielle Pitts located?

Marielle Pitts practices at 50 W Main St, Hopkinton, MA 01748. The listed phone number is (508) 439-0312.

What is Marielle Pitts's specialty?

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

Is Marielle Pitts enrolled in Medicare?

Yes. Marielle Pitts 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 organizations bill Medicare for Marielle Pitts's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marielle Pitts reassigns Medicare benefits to 7 organizations: Starting Line Wellness, LLC (Hopkinton, MA), Rx Fit Functional Medicine LLC (Uxbridge, MA), Supportive Behavioral Care Of Ma LLC (Needham, MA), Meditelecare Of Massachusetts, PLLC (Boston, MA), Massachusetts Acute Care Specialists PC (Melrose, MA) and 2 more organizations, listed in the Medicare section above. Each 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 Marielle Pitts'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 Marielle Pitts was last updated on April 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.