ANDREW STEPHEN CIENNIK MD
NPI 1700383098
Emergency Medicine in Troy, MI
About Andrew Stephen Ciennik Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW STEPHEN CIENNIK MD (NPI 1700383098) is an individual emergency medicine provider in Troy, Michigan, licensed in Michigan (4301514129) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital, Troy, and maintains a secondary practice location in San Diego.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 and accepts Medicare assignment
Andrew Stephen Ciennik Md 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.
Medicare Billing Reassignments
3Medicare enrollment records show Andrew Ciennik reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 946 clinicians in this Medicare group
Brawley, CA 92227
- Reassigned Medicare billing, California enrollment
- 1,204 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 75 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.
Areas of Expertise CMS Part B claims
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beaumont Hospital, Troy
Acute Care Hospitals · Troy, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48085 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TROY, MI 48085
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 Andrew Ciennik's NPI number?
The NPI number for Andrew Ciennik is 1700383098. It was assigned to this individual provider in the NPPES registry on April 12, 2018.
Where is Andrew Ciennik located?
Andrew Ciennik practices at 44201 Dequindre Rd, Troy, MI 48085. The listed phone number is (248) 964-5000.
What is Andrew Ciennik's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Andrew Ciennik enrolled in Medicare?
Yes. Andrew Ciennik 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 Andrew Ciennik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Ciennik reassigns Medicare benefits to 3 organizations: Beaumont Medical Group Hospital -Based Services (Royal Oak, MI), Cep America - California (Brawley, CA) and Pacific Emergency Providers, A Prof. Corp. (San Diego, CA). 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 Andrew Ciennik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrew Ciennik accept?
Health plans from Priority Health list Andrew Ciennik 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 Andrew Ciennik affiliated with any hospitals?
According to CMS data, Andrew Ciennik is affiliated with Beaumont Hospital, Troy.
When was this NPI record last updated?
The NPPES record for Andrew Ciennik was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Andrew Stephen Ciennik, MD · NPI 1700383098
Emergency Medicine physician in Troy, Michigan. Individual provider, active in the CMS NPPES registry since April 12, 2018.
## Identity
- **NPI:** 1700383098 (Entity type: Individual)
- **Enumerated:** April 12, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4301514129 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 44201 DEQUINDRE RD, Troy, MI 48085-1117
- **Phone:** (248) 964-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Beaumont Medical Group Hospital -Based Services (NPI 1427567858, Royal Oak, MI); Cep America - California (NPI 1073554002, Brawley, CA); Pacific Emergency Providers, A Prof. Corp. (NPI 1497790539, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Human Medicine, class of 2018
## Record status
- **NPPES last updated:** November 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1700383098) · Data from the CMS NPPES public registry.