Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SIDNEY MICHELLE NATAN DO
NPI 1215678917
Obstetrics & Gynecology in Grand Rapids, MI

Active since April 05, 2022PECOS Enrolled
3800 LAKE MICHIGAN DR NW STE A, GRAND RAPIDS, MI 49534(616) 267-8225 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 14, 2026, Apr 5, 2022 (2 updates tracked since 2022).

About Sidney Michelle Natan Do NPPES

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

SIDNEY MICHELLE NATAN DO (NPI 1215678917) is an individual obstetrics & gynecology provider in Grand Rapids, Michigan, licensed in Michigan (5101029373) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1215678917
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSIDNEY MICHELLE NATANCredential: DO
Location Address3800 LAKE MICHIGAN DR NW STE AGrand Rapids, MI 49534-4583
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 5, 2022
Last NPPES UpdateSeptember 14, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2026
✔ NPI 1215678917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MI · 5101029373
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.
3800 LAKE MICHIGAN DR NW STE A, Grand Rapids, MI 49534

Other Names 1

Former Name (1)Sidney Michelle Drury

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sidney Michelle Natan Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3577941053
PECOS Enrollment IDI20260803000860
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 Sidney Natan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Occupational Medicine
973 OTTAWA AVE NW
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group
Hospitalist
100 MICHIGAN ST NE, MC-907
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 405 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49534 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 10

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

Obstetrics & Gynecology
3800 LAKE MICHIGAN DR NW STE A
GRAND RAPIDS, MI 49534
Nurse Practitioner (Family)
3800 LAKE MICHIGAN DR NW STE A
GRAND RAPIDS, MI 49534
Obstetrics & Gynecology
3800 LAKE MICHIGAN DR NW STE A
GRAND RAPIDS, MI 49534
Obstetrics & Gynecology
3800 LAKE MICHIGAN DR NW STE A
GRAND RAPIDS, MI 49534
Nurse Practitioner
3800 LAKE MICHIGAN DR NW STE A
GRAND RAPIDS, MI 49534
Obstetrics & Gynecology
3800 LAKE MICHIGAN DR NW STE A
GRAND RAPIDS, MI 49534
Nurse Practitioner (Family)
3800 LAKE MICHIGAN DR NW STE A
GRAND RAPIDS, MI 49534
Nurse Practitioner (Family)
3800 LAKE MICHIGAN DR NW STE A
GRAND RAPIDS, MI 49534

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 Sidney Natan's NPI number?

The NPI number for Sidney Natan is 1215678917. It was assigned to this individual provider in the NPPES registry on April 5, 2022. The provider is also known as Sidney Michelle Drury.

Where is Sidney Natan located?

Sidney Natan practices at 3800 Lake Michigan Dr NW Ste A, Grand Rapids, MI 49534. The listed phone number is (616) 267-8225.

What is Sidney Natan's specialty?

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

Is Sidney Natan enrolled in Medicare?

Yes. Sidney Natan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sidney Natan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sidney Natan reassigns Medicare benefits to 2 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI) and Spectrum Health Hospitals (Grand Rapids, 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 Sidney Natan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sidney Natan 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 list Sidney Natan 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.

When was this NPI record last updated?

The NPPES record for Sidney Natan was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days 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.