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OLGA COBOZEVA PMHNP-BS
NPI 1164821864
Nurse Practitioner - Psychiatric/Mental Health in N Chelmsford, MA

Active since August 19, 2014PECOS Enrolled
73 PRINCETON ST STE 304, N CHELMSFORD, MA 01863(978) 455-3141(978) 455-3069 Get Directions Write a Review

NPPES record last updated: March 19, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Olga Cobozeva Pmhnp-bs NPPES

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

OLGA COBOZEVA PMHNP-BS (NPI 1164821864) is an individual psychiatric/mental health provider in N Chelmsford, Massachusetts, licensed in Massachusetts (2267765) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1164821864
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameOLGA COBOZEVACredential: PMHNP-BS
Location Address73 PRINCETON ST STE 304N Chelmsford, MA 01863-1581
Mailing Address73 Princeton St Ste 304N Chelmsford, MA 01863-1581 · (978) 455-3141 · Fax (978) 455-3069
Phone(978) 455-3141
Fax(978) 455-3069
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateAugust 19, 2014
Last NPPES UpdateMarch 19, 2025
NPPES CertifiedMarch 19, 2025
✔ NPI 1164821864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · 2267765
73 PRINCETON ST STE 304, N Chelmsford, MA 01863
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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, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Olga Cobozeva Pmhnp-bs is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5193030732
PECOS Enrollment IDI20150812006436
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 Olga Cobozeva reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Oasis Behavioral Health LLC
Same address
Psychiatric/Mental Health
73 PRINCETON ST STE 304
North Chelmsford, MA 01863
  • Reassigned Medicare billing, Massachusetts enrollment
  • 5 clinicians in this Medicare group
NPI 1154808301 (978) 455-3141

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 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.
226 services39 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
177 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01863 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

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

OASIS BEHAVIORAL HEALTH LLC
Nurse Practitioner (Psychiatric/Mental Health)
73 PRINCETON ST STE 304
NORTH CHELMSFORD, MA 01863
Middlesex County (978) 455-3141

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 Olga Cobozeva's NPI number?

The NPI number for Olga Cobozeva is 1164821864. It was assigned to this individual provider in the NPPES registry on August 19, 2014.

Where is Olga Cobozeva located?

Olga Cobozeva practices at 73 Princeton St Ste 304, N Chelmsford, MA 01863. The listed phone number is (978) 455-3141.

What is Olga Cobozeva's specialty?

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

Is Olga Cobozeva enrolled in Medicare?

Yes. Olga Cobozeva is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Olga Cobozeva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olga Cobozeva reassigns Medicare benefits to Oasis Behavioral Health LLC (North Chelmsford, 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 Olga Cobozeva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Olga Cobozeva accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Olga Cobozeva 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.

When was this NPI record last updated?

The NPPES record for Olga Cobozeva was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.