1. Home
  2. Directory
  3. Michigan
  4. Hillsdale
  5. Obstetrics Gynecology
  6. NPI Profile

SARAH LYNN SPENCER
NPI 1295129633
Obstetrics & Gynecology in Hillsdale, MI

Active since March 24, 2015PECOS EnrolledAccepts Medicare Assignment
451 HIDDEN MEADOWS DR STE 220, HILLSDALE, MI 49242(571) 437-8292 Get Directions Write a Review

NPPES record last updated: August 31, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 31, 2026, Jan 24, 2017 (2 updates tracked since 2017).

About Sarah Lynn Spencer NPPES

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

SARAH LYNN SPENCER (NPI 1295129633) is an individual obstetrics & gynecology provider in Hillsdale, Michigan, licensed in Michigan (5101021761) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Hillsdale Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (2015).

NPPES Registry Identity

NPI1295129633
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSARAH LYNN SPENCER
Location Address451 HIDDEN MEADOWS DR STE 220Hillsdale, MI 49242-9812
Mailing Address451 Hidden Meadows Dr Ste 220Hillsdale, MI 49242-9812 · (517) 437-8292 · Fax (517) 437-8295
Phone(571) 437-8292
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2015
Enumeration DateMarch 24, 2015
Last NPPES UpdateAugust 31, 20262 updates tracked since enumeration
NPPES CertifiedAugust 31, 2026
✔ NPI 1295129633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MI · 5101021761
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
451 HIDDEN MEADOWS DR STE 220, Hillsdale, MI 49242
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority 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

Sarah Lynn Spencer 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 ID3971818303
PECOS Enrollment IDI20190827000178
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

2

Medicare enrollment records show Sarah Spencer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hillsdale Community Health Center
0.9 mi
General Acute Care Hospital
168 S HOWELL ST
Hillsdale, MI 49242
  • Reassigned Medicare billing, Michigan enrollment
  • 108 clinicians in this Medicare group
NPI 1730115940 (517) 437-5232
Ascension Medical Group Promed
40 mi
Pediatrics
1555 E CHICAGO RD
Sturgis, MI 49091
  • Reassigned Medicare billing, Michigan enrollment
  • 465 clinicians in this Medicare group
NPI 1013926997 (269) 651-7114

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
28 services23 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Hillsdale Hospital

Acute Care Hospitals · Hillsdale, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230037
Location168 S Howell StreetHillsdale, MI 49242 · Hillsdale County
Emergency services Birthing friendly

Edward W Sparrow Hospital

Acute Care Hospitals · Lansing, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230230
Location1215 E Michigan AvenueLansing, MI 48912 · Ingham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49242 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
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.

RACHEL MCCORMACK CNM, RN
Advanced Practice Midwife
451 HIDDEN MEADOWS DR STE 220
HILLSDALE, MI 49242
Hillsdale County (517) 437-8292

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 Sarah Spencer's NPI number?

The NPI number for Sarah Spencer is 1295129633. It was assigned to this individual provider in the NPPES registry on March 24, 2015.

Where is Sarah Spencer located?

Sarah Spencer practices at 451 Hidden Meadows Dr Ste 220, Hillsdale, MI 49242. The listed phone number is (571) 437-8292.

What is Sarah Spencer's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Sarah Spencer enrolled in Medicare?

Yes. Sarah Spencer 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 Sarah Spencer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Spencer reassigns Medicare benefits to 2 organizations: Hillsdale Community Health Center (Hillsdale, MI) and Ascension Medical Group Promed (Sturgis, 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 Sarah Spencer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah Spencer accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Sarah Spencer 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 Sarah Spencer affiliated with any hospitals?

According to CMS data, Sarah Spencer is affiliated with Hillsdale Hospital and Edward W Sparrow Hospital.

When was this NPI record last updated?

The NPPES record for Sarah Spencer was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.