1. Home
  2. Directory
  3. Massachusetts
  4. Spencer
  5. Internal Medicine
  6. NPI Profile

MONA ZAIDI HINRICHSEN M.D.
NPI 1053465476
Internal Medicine in Spencer, MA

Active since January 23, 2007PECOS EnrolledAccepts Medicare Assignment
369 MAIN ST, SPENCER, MA 01562(508) 885-3922 Get Directions Write a Review

NPPES record last updated: July 19, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mona Zaidi Hinrichsen M.d. NPPES

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

MONA ZAIDI HINRICHSEN M.D. (NPI 1053465476) is an individual internal medicine provider in Spencer, Massachusetts, licensed in Massachusetts (242939) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2006).

NPPES Registry Identity

NPI1053465476
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMONA ZAIDI HINRICHSENCredential: M.D.
Location Address369 MAIN STSpencer, MA 01562-1900
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885
Phone(508) 885-3922
Sole ProprietorNo
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2006
Enumeration DateJanuary 23, 2007
Last NPPES UpdateJuly 19, 2010
✔ NPI 1053465476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 242939
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 242939 (MA)
369 MAIN ST, Spencer, MA 01562
Open in Google Maps ↗

Other Names 1

Other Name (5)Mona Zaidi M.d.

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

Mona Zaidi Hinrichsen M.d. 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 ID5496871287
PECOS Enrollment IDI20100929001177
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 Mona Hinrichsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mass General Brigham Medical Group Northern Massachusetts Inc
57 mi
Emergency Medicine
81 HIGHLAND AVE
Salem, MA 01970
  • Reassigned Medicare billing, Massachusetts enrollment
  • 994 clinicians in this Medicare group
NPI 1588606123 (978) 354-4173

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 4

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 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
147 services81 patients
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.
80 services54 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
50 services50 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01562 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 6

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

MRS. MAUREEN ANNE VALOIS LMHC
Counselor (Mental Health)
369 MAIN ST
SPENCER, MA 01562
Worcester County (508) 885-0788
MR. ARNI BRUNO VITO CASAREALE MA, LMHC
Counselor (Mental Health)
369 MAIN ST
SPENCER, MA 01562
Worcester County (508) 885-0788
DR. DEBORAH GURSKI M.D.
Pediatrics
369 MAIN ST
SPENCER, MA 01562
Worcester County (508) 885-6359
DR. JOSEPH KURUVILLA M.D.
Internal Medicine
369 MAIN ST
SPENCER, MA 01562
Worcester County (508) 885-3922
DR. NICHOLAS BURSTEIN DO
Family Medicine
369 MAIN ST
SPENCER, MA 01562
Worcester County (088) 855-3922
DR. JEFFREY H LEE M.D.
Internal Medicine
369 MAIN ST
SPENCER, MA 01562
Worcester County (508) 885-3922

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 Mona Hinrichsen's NPI number?

The NPI number for Mona Hinrichsen is 1053465476. It was assigned to this individual provider in the NPPES registry on January 23, 2007. The provider is also known as Mona Zaidi M.D..

Where is Mona Hinrichsen located?

Mona Hinrichsen practices at 369 Main St, Spencer, MA 01562. The listed phone number is (508) 885-3922.

What is Mona Hinrichsen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mona Hinrichsen enrolled in Medicare?

Yes. Mona Hinrichsen 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 Mona Hinrichsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mona Hinrichsen reassigns Medicare benefits to Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, 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 Mona Hinrichsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mona Hinrichsen affiliated with any hospitals?

According to CMS data, Mona Hinrichsen is affiliated with North Shore Medical Center -.

When was this NPI record last updated?

The NPPES record for Mona Hinrichsen was last updated on July 19, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.