MRS. MARY NJONJO (NP-C) – Adult Health Nurse Practitioner, NPI 1245400142

MRS. MARY NJONJO (NP-C) is a healthcare provider. based in Tewksbury, Massachusetts. specializing in NURSE PRACTITIONER. They hold the professional credentials NP-C. They hold a License No. 237709 (MA). The NPI Number for MRS. MARY NJONJO (NP-C) is 1245400142

Main info

Female
Sole Proprietor
19 Years Of Experience
Accepts Medicare Assignment
Name
MRS. MARY NJONJO (NP-C)
NPI
1245400142
Phone
Not provided
Address
65 RANDOLPH DR
Enumeration Date
6 March 2008
Last Update Date
6 March 2008

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9788517321
Graduation Year
2007 (19 years ago)
PAC ID
5890910798
Group Practice PAC ID
8820906860
Professional Enrollment ID
I20140709002190
Address ID
MA018761998TE365XXSTXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience50
Completeness75
Years active:18State licenses:1Digital endpointsOther names

8,971 NURSE PRACTITIONER in MA

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Provider Addresses for MRS. MARY NJONJO (NP-C)

  • 61;62;63;64;65;66;67;68;69;70;71;72, Randolph Drive, Tewksbury, Middlesex County, Massachusetts, 01876-0841, United States

    TEWKSBURY, MA 018761966

    Phone:

    Type: Mailing

  • Union Hospital, 500, Lynnfield Street, Lynn, Essex County, Massachusetts, 01904, United States

    LYNN, MA 019041424

    Phone: (781) 477-3225

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-07-09

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20140709002190INurse PractitionerMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes16819$0
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes4411$0
View full utilization report →

Insurance plans in this area (ZIP 01876)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8820906860View full group profile

Reviews

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Frequently asked questions

How do I look up MRS. MARY NJONJO (NP-C) by NPI?
Use NPI 1245400142 when you need to reference MRS. MARY NJONJO (NP-C) in forms, claims, or directories.
Is MRS. MARY NJONJO (NP-C)'s NPI currently valid?
The extract we use shows MRS. MARY NJONJO (NP-C) as active.
What does MRS. MARY NJONJO (NP-C) treat or focus on?
Patients typically see MRS. MARY NJONJO (NP-C) under the specialty Adult Health Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Does MRS. MARY NJONJO (NP-C) practice in Massachusetts?
You will see Tewksbury, Massachusetts on file for MRS. MARY NJONJO (NP-C) alongside any extra practice locations.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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