PENELOPE ANN BARKER
NPI 1770552382
Internal Medicine in Saint Clair Shores, MI
About Penelope Ann Barker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PENELOPE ANN BARKER (NPI 1770552382) is an individual internal medicine provider in Saint Clair Shores, Michigan, licensed in Michigan (5101013408) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Henry Ford Health Hospital, and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (1997).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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
Penelope Ann Barker 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 Reassignment
Medicare enrollment records show Penelope Barker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Clinton Township, MI 48038
- Reassigned Medicare billing, Michigan enrollment
- 87 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 11
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Henry Ford Health Hospital
Acute Care Hospitals · Detroit, MIBeaumont Hospital - Grosse Pointe
Acute Care Hospitals · Grosse Pointe, MIAscension St John Hospital
Acute Care Hospitals · Detroit, MIAscension Macomb Oakland Hosp-Warren Campus
Acute Care Hospitals · Warren, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48080 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Penelope Barker's NPI number?
The NPI number for Penelope Barker is 1770552382. It was assigned to this individual provider in the NPPES registry on March 16, 2006.
Where is Penelope Barker located?
Penelope Barker practices at 20225 E 9 Mile Rd, Saint Clair Shores, MI 48080. The listed phone number is (586) 779-8700.
What is Penelope Barker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Penelope Barker enrolled in Medicare?
Yes. Penelope Barker 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 organization bills Medicare for Penelope Barker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Penelope Barker reassigns Medicare benefits to Henry Ford Cornerstone Medical Group (Clinton Township, MI). The 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 Penelope Barker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Penelope Barker 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 1 other insurer list Penelope Barker 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 Penelope Barker affiliated with any hospitals?
According to CMS data, Penelope Barker is affiliated with Henry Ford Health Hospital, Beaumont Hospital - Grosse Pointe, Ascension St John Hospital and Ascension Macomb Oakland Hosp-Warren Campus.
When was this NPI record last updated?
The NPPES record for Penelope Barker was last updated on April 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.