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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SOPHIA MONTISSOL RN
NPI 1821596149
Nurse Practitioner - Psychiatric/Mental Health in Cambridge, MA

Active since February 01, 2018PECOS EnrolledAccepts Medicare Assignment
625 MOUNT AUBURN ST, CAMBRIDGE, MA 02138(617) 223-7183 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 28, 2026, Sep 24, 2019 (2 updates tracked since 2019).

About Sophia Montissol Rn NPPES

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

SOPHIA MONTISSOL RN (NPI 1821596149) is an individual psychiatric/mental health provider in Cambridge, Massachusetts, licensed in Massachusetts (2305589) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1821596149
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSOPHIA MONTISSOLCredential: RN
Location Address625 MOUNT AUBURN STCambridge, MA 02138-4555
Mailing Address993 South StRoslindale, MA 02131-2307
Phone(617) 223-7183
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateFebruary 1, 2018
Last NPPES UpdateJuly 28, 20262 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1821596149 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 · 2305589
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 2305589 (MA)
625 MOUNT AUBURN ST, Cambridge, MA 02138
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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

Sophia Montissol 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 ID8820320955
PECOS Enrollment IDI20191023000188
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.

Areas of Expertise CMS Part B claims 6

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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
855 services196 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
272 services103 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
151 services43 patients
Nursing facility discharge management, more than 30 minutes 99316
Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.
121 services113 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
82 services32 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
12 services11 patients

Hospital Affiliations CMS Care Compare

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02138 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.

Referred Medical Equipment & Supplies CMS DME claims 13

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
2 suppliers24 claims24 services$38.55 avg. paid by Medicare
Powered pressure reducing mattress overlay/pad, alternating, with pump, includes heavy duty E0181
DME-Other DME · category DE000N
1 supplier14 claims14 services$10.93 avg. paid by Medicare
Hospital bed, fixed height, with any type side rails, with mattress E0250
DME-Hospital Beds · category DB000N
1 supplier11 claims11 services$47.70 avg. paid by Medicare
Hospital bed, variable height, hi-lo, with any type side rails, with mattress E0255
DME-Hospital Beds · category DB000N
1 supplier35 claims35 services$47.87 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers76 claims76 services$40.14 avg. paid by Medicare
Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630
DME-Other DME · category DE000N
2 suppliers16 claims16 services$49.21 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

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

KENNETH A STAMPFER MD
Ophthalmology
625 MOUNT AUBURN ST, SUITE 100
CAMBRIDGE, MA 02138
Middlesex County (617) 492-1174
DR. MARYBETH FERRANTE MD
Internal Medicine
625 MOUNT AUBURN ST, STE 104
CAMBRIDGE, MA 02138
Middlesex County (617) 491-5586
MACKENZIE JORDAN
Psychologist (Clinical)
625 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (781) 551-0999
JOSHUA HATCHER-MULLINS NP
Nurse Practitioner (Psychiatric/Mental Health)
625 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 259-1895
JOHN WARNER KENAGY M.D.
Surgery
625 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 491-1476
CLAIRE M BRICKELL MD
Psychiatry & Neurology (Psychiatry)
625 MOUNT AUBURN ST, SUITE 102
CAMBRIDGE, MA 02138
Middlesex County (617) 855-5629
NATHALIE BLOCH MD
Internal Medicine
625 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 491-5586
MARK FRIEDMAN MD
Internal Medicine
625 MOUNT AUBURN ST, STE 104
CAMBRIDGE, MA 02138
Middlesex County (617) 491-5586

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 Sophia Montissol's NPI number?

The NPI number for Sophia Montissol is 1821596149. It was assigned to this individual provider in the NPPES registry on February 1, 2018.

Where is Sophia Montissol located?

Sophia Montissol practices at 625 Mount Auburn St, Cambridge, MA 02138. The listed phone number is (617) 223-7183.

What is Sophia Montissol's specialty?

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

Is Sophia Montissol enrolled in Medicare?

Yes. Sophia Montissol 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.

What insurance does Sophia Montissol accept?

Health plans from Anthem Blue Cross and Blue Shield list Sophia Montissol 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.

Is Sophia Montissol affiliated with any hospitals?

According to CMS data, Sophia Montissol is affiliated with Mount Auburn Hospital.

When was this NPI record last updated?

The NPPES record for Sophia Montissol was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.