Penelope Ann Barker
Internal Medicine Physician · Saint Clair Shores, MI
Penelope Ann Barker is an internal medicine physician with a practice address in Saint Clair Shores, Michigan, and NPI 1770552382, issued on Mar 16, 2006. Check the license (Michigan 5101013408, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Penelope Ann Barker
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101013408 MI
Self-reported in NPPES; status is on the state search - Practice location
- 20225 E 9 Mile RD, Saint Clair Shores, MI 48080
- Phone
- (586) 779-8700
- Enumerated
- Mar 16, 2006
- Record last updated
- Apr 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (586) 498-1425
- Medicare enrollment
- Enrolled (PECOS I20041203000489); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 20225 E 9 Mile RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cecelia Kitakufe, M.D.Family Medicine Physician1487883104
Verify Penelope Ann Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101013408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average internal medicine physician in 2024
4,779 Medicare Part D claims for 432 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 65 claims were for opioids.
Most prescribed
- Atorvastatin Calcium386 claims
- Levothyroxine Sodium327 claims
- Rosuvastatin Calcium272 claims
- Amlodipine Besylate227 claims
- Omeprazole161 claims
- Metformin Hcl Er160 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $144.41
8 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ascension Michigan-CmgSaint Clair Shores, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Penelope Ann Barker among 5,735 internal medicine physician records in Michigan
Penelope Ann Barker is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1997 · median 2006 among the 3,564 with a school on file
- Record last updated2016 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Saint Clair Shores
They are 23 of the 1,255 NPPES records with a practice address in Saint Clair Shores, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Saint Clair Shores → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maya Ashkenazi, MDSaint Clair Shores, MI 480801376523233
- Sailaja Datla, MDSaint Clair Shores, MI 480801154434975
- Kenneth Dziuba, M.D.Saint Clair Shores, MI 480801891775938
- Kumudinie Fonseka, MDSt Clair Shores, MI 480801376653089
- Matthew Gill, MDSaint Clair Shores, MI 480801164469821
- Marybeth Hardwicke, MDSaint Clair Shores, MI 480801144228586
- Maridel Hernandez, DOSaint Clair Shores, MI 480801023013711
- Aref Hindawi, MDSt Clair Shores, MI 480801538181458
Common questions
What is Penelope Ann Barker's NPI number?
Penelope Ann Barker's National Provider Identifier (NPI) is 1770552382, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Penelope Ann Barker located?
The NPPES record lists a practice address at 20225 E 9 Mile RD, Saint Clair Shores, MI, 48080. Phone: (586) 779-8700. Providers update this record themselves, so call before visiting.
How can I verify Penelope Ann Barker's license?
NPPES lists Michigan license number 5101013408, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Penelope Ann Barker prescribe under Medicare Part D?
In 2024, Penelope Ann Barker had 4,779 Medicare Part D claims for 432 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.