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MRS. MARY NJONJO NP-C
NPI 1245400142
Nurse Practitioner - Adult Health in Lynn, MA

Active since March 06, 2008PECOS EnrolledAccepts Medicare Assignment
500 LYNNFIELD ST, LYNN, MA 01904(781) 477-3225 Get Directions Write a Review

NPPES record last updated: March 6, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Mary Njonjo Np-c NPPES

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

MRS. MARY NJONJO NP-C (NPI 1245400142) is an individual adult health provider in Lynn, Massachusetts, licensed in Massachusetts (237709) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1245400142
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. MARY NJONJOCredential: NP-C
Location Address500 LYNNFIELD STLynn, MA 01904-1424
Mailing Address65 Randolph DrTewksbury, MA 01876-1966
Phone(781) 477-3225
Sole ProprietorYes
Medical School CMSOtherGraduated 2007
Enumeration DateMarch 6, 2008
✔ NPI 1245400142 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
License✔ Licensed in MA · 237709
500 LYNNFIELD ST, Lynn, MA 01904
Open in Google Maps ↗

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

Mrs. Mary Njonjo Np-c 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 ID5890910798
PECOS Enrollment IDI20140709002190
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 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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
221 services18 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
34 services13 patients

Hospital Affiliations CMS Care Compare

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

Lowell General Hospital

Acute Care Hospitals · Lowell, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220063
Location295 Varnum AvenueLowell, MA 01854 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01904 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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier27 claims27 services$15.71 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
1 supplier11 claims11 services$6.79 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 20

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

MISS SHERYL A. BURNS ACNP, PNP
Nurse Practitioner (Critical Care Medicine)
500 LYNNFIELD ST, PULMONARY PHYSICIANS, P.C.
LYNN, MA 01904
Essex County (781) 595-3366
MR. RICHARD ALAN HOLLETT
Peer Specialist
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 581-9200
SHARDA A JAIN M.D.
General Practice
500 LYNNFIELD ST, PULMONARY PHYSICIANS
LYNN, MA 01904
Essex County (781) 595-3366
MRS. MARY J BUCKO P.T.A.
Physical Therapy Assistant
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 477-3033
MRS. KIMBERLY JOY SANCHEZ PT
Physical Therapist
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 477-3033
PULMONARY PHYSICIANS
Internal Medicine (Pulmonary Disease)
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 595-3366
MRS. DENISE MARIE ANDERSON PT
General Acute Care Hospital
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 592-2000
LAUREN ELIZABETH HOOK
Social Worker
500 LYNNFIELD ST
LYNN, MA 01904
Essex County (781) 477-3820

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 Mary Njonjo's NPI number?

The NPI number for Mary Njonjo is 1245400142. It was assigned to this individual provider in the NPPES registry on March 6, 2008.

Where is Mary Njonjo located?

Mary Njonjo practices at 500 Lynnfield St, Lynn, MA 01904. The listed phone number is (781) 477-3225.

What is Mary Njonjo's specialty?

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

Is Mary Njonjo enrolled in Medicare?

Yes. Mary Njonjo 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.

Is Mary Njonjo affiliated with any hospitals?

According to CMS data, Mary Njonjo is affiliated with Lowell General Hospital.

When was this NPI record last updated?

The NPPES record for Mary Njonjo was last updated on March 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.