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MARY JANE HOLBROOK NP
NPI 1508205451
Nurse Practitioner - Psychiatric/Mental Health in Saginaw, MI

Active since June 24, 2013PECOS EnrolledAccepts Medicare Assignment
1000 HOUGHTON AVE, SAGINAW, MI 48602(989) 583-6800(989) 583-6915 Get Directions Write a Review

NPPES record last updated: April 4, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mary Jane Holbrook Np NPPES

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

MARY JANE HOLBROOK NP (NPI 1508205451) is an individual psychiatric/mental health provider in Saginaw, Michigan, licensed in Michigan (4704275288) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Mclaren Bay Region, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1508205451
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARY JANE HOLBROOKCredential: NP
Location Address1000 HOUGHTON AVESaginaw, MI 48602-5303
Mailing Address1000 Houghton AveSaginaw, MI 48602-5303 · (989) 583-6800 · Fax (989) 583-6915
Phone(989) 583-6800
Fax(989) 583-6915
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJune 24, 2013
Last NPPES UpdateApril 4, 2018
✔ NPI 1508205451 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 MI · 4704275288
1000 HOUGHTON AVE, Saginaw, MI 48602
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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

Mary Jane Holbrook Np 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 ID6103050414
PECOS Enrollment IDI20130927000474
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 Reassignments

3

Medicare enrollment records show Mary Holbrook reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospital Psychiarty PLLC
2.5 mi
Neurology
3353 SILVERWOOD DR
Saginaw, MI 48603
  • Reassigned Medicare billing, Michigan enrollment
  • 8 clinicians in this Medicare group
NPI 1144590290 (989) 493-9001
Bay-Arenac Behavioral Health
12 mi
Mental Health (Including Community Mental Health Center)
201 MULHOLLAND
Bay City, MI 48708
  • Reassigned Medicare billing, Michigan enrollment
  • 30 clinicians in this Medicare group
NPI 1154439438 (989) 895-2300
Ausable Valley Community Mental Health Services Board
62 mi
Community/Behavioral Health
1199 W HARRIS AVE
Tawas City, MI 48764
  • Reassigned Medicare billing, Michigan enrollment
  • 20 clinicians in this Medicare group
NPI 1417011701 (989) 362-8636

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.
340 services93 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
115 services37 patients

Hospital Affiliations CMS Care Compare 3

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

Mclaren Bay Region

Acute Care Hospitals · Bay City, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230041
Location1900 Columbus AveBay City, MI 48708 · Bay County
Emergency services Birthing friendly

Mymichigan Medical Center Midland

Acute Care Hospitals · Midland, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230222
Location4000 Wellness DriveMidland, MI 48670 · Midland County
Birthing friendly

Saint Mary's Standish Community Hospital

Critical Access Hospitals · Standish, MI
OwnershipVoluntary non-profit - Church
CMS Certification Number231305
Location805 W Cedar StStandish, MI 48658 · Arenac County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48602 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 20

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

JERRY XAVIER
Internal Medicine
1000 HOUGHTON AVE, 1100 INTERNAL MEDICINE
SAGINAW, MI 48602
Saginaw County (989) 583-5826
MRS. VERONIKA KINASCHUK M.D.
Obstetrics & Gynecology
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 746-7500
DR. MEAGAN CROFOOT MD
Emergency Medicine
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 583-6800
KATIE ANN LONDOS
Nurse Practitioner (Pediatrics)
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 746-7500
PAVAN SHIVANI SINGH MD
Pediatrics
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (947) 362-4191
DR. OMAIMA ALI A AL SINAN M.D
Obstetrics & Gynecology
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 583-6828
SHAFIA BEG M.D.
Internal Medicine
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 583-6800
DR. JAMIE MARIE RITTER MD
Emergency Medicine
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 746-7500

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 Holbrook's NPI number?

The NPI number for Mary Holbrook is 1508205451. It was assigned to this individual provider in the NPPES registry on June 24, 2013.

Where is Mary Holbrook located?

Mary Holbrook practices at 1000 Houghton Ave, Saginaw, MI 48602. The listed phone number is (989) 583-6800.

What is Mary Holbrook's specialty?

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

Is Mary Holbrook enrolled in Medicare?

Yes. Mary Holbrook 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 organizations bill Medicare for Mary Holbrook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Holbrook reassigns Medicare benefits to 3 organizations: Hospital Psychiarty PLLC (Saginaw, MI), Bay-Arenac Behavioral Health (Bay City, MI) and Ausable Valley Community Mental Health Services Board (Tawas City, MI). Each 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 Mary Holbrook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Holbrook accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Mary Holbrook 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 Mary Holbrook affiliated with any hospitals?

According to CMS data, Mary Holbrook is affiliated with Mclaren Bay Region, Mymichigan Medical Center Midland and Saint Mary's Standish Community Hospital.

When was this NPI record last updated?

The NPPES record for Mary Holbrook was last updated on April 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.