SIDNEY MICHELLE NATAN DO
NPI 1215678917
Obstetrics & Gynecology in Grand Rapids, MI
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
Specialties & Licenses
Other Names 1
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).
Medicare Billing Reassignments
2Medicare 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.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
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.
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.
GRAND RAPIDS, MI 49534
GRAND RAPIDS, MI 49534
GRAND RAPIDS, MI 49534
GRAND RAPIDS, MI 49534
GRAND RAPIDS, MI 49534
GRAND RAPIDS, MI 49534
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.