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MRS. ANNA MARIE COULSTRING ACNP-BC, PMHNP-BC,RN
NPI 1336457191
Nurse Practitioner - Psychiatric/Mental Health in Weymouth, MA

Active since September 15, 2010PECOS EnrolledAccepts Medicare Assignment
884 WASHINGTON ST, WEYMOUTH, MA 02189(781) 812-1643(781) 803-3017 Get Directions Write a Review

NPPES record last updated: October 4, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Anna Marie Coulstring Acnp-bc, Pmhnp-bc,rn NPPES

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

MRS. ANNA MARIE COULSTRING ACNP-BC, PMHNP-BC,RN (NPI 1336457191) is an individual psychiatric/mental health provider in Weymouth, Massachusetts, licensed in Massachusetts (2259098) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1336457191
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMRS. ANNA MARIE COULSTRINGCredential: ACNP-BC, PMHNP-BC,RN
Location Address884 WASHINGTON STWeymouth, MA 02189-1530
Mailing Address884 Washington StWeymouth, MA 02189-1530 · (781) 812-1643 · Fax (781) 803-3017
Phone(781) 812-1643
Fax(781) 803-3017
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateSeptember 15, 2010
Last NPPES UpdateOctober 4, 2022
NPPES CertifiedOctober 4, 2022
✔ NPI 1336457191 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · 2259098
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 2259098 (MA)
884 WASHINGTON ST, Weymouth, MA 02189
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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

Mrs. Anna Marie Coulstring Acnp-bc, Pmhnp-bc,rn 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 ID9133308265
PECOS Enrollment IDI20110121000418
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 Anna Coulstring reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Square Medical Group LLC
17 mi
Adult Mental Health
124 WATERTOWN ST, SUITE 2D
Watertown, MA 02472
  • Reassigned Medicare billing, Massachusetts enrollment
  • 27 clinicians in this Medicare group
NPI 1356515464 (617) 916-5069

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.
142 services16 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.
92 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02189 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 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGAN ROSE CALLAHAN
Social Worker
884 WASHINGTON ST
WEYMOUTH, MA 02189
Norfolk County (781) 812-1643
PETER EUSTACE COTSONAS DDS
Dentist (Orthodontics and Dentofacial Orthopedics)
884 WASHINGTON ST
WEYMOUTH, MA 02189
Norfolk County (781) 335-5420
PREVENTIVE MEDICINE ASSOCIATES
Family Medicine (Addiction Medicine)
884 WASHINGTON ST, 2ND FLOOR
WEYMOUTH, MA 02189
Norfolk County (617) 447-2146
DENTAL AID 1
Clinic/Center (Dental)
884 WASHINGTON ST, 130
WEYMOUTH, MA 02189
Norfolk County (781) 340-5361
CHRISTOPH MAYWALD DC
Chiropractor
884 WASHINGTON ST, SUITE 2A
WEYMOUTH, MA 02189
Norfolk County (781) 331-8282

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 Anna Coulstring's NPI number?

The NPI number for Anna Coulstring is 1336457191. It was assigned to this individual provider in the NPPES registry on September 15, 2010.

Where is Anna Coulstring located?

Anna Coulstring practices at 884 Washington St, Weymouth, MA 02189. The listed phone number is (781) 812-1643.

What is Anna Coulstring's specialty?

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

Is Anna Coulstring enrolled in Medicare?

Yes. Anna Coulstring 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 organization bills Medicare for Anna Coulstring's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Coulstring reassigns Medicare benefits to Square Medical Group LLC (Watertown, 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 Anna Coulstring'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 Anna Coulstring was last updated on October 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.