Mark Roby, PAC
Physician Assistant · Farmington Hills, MI
Mark Roby, PAC is a physician assistant with a practice address in Farmington Hills, Michigan, and NPI 1770536989, issued on May 18, 2006. Check the license (Michigan MR001689, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Roby
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MR001689 MI
Self-reported in NPPES; status is on the state search - Practice location
- 30840 Northwestern Hwy, Farmington Hills, MI 48334
- Phone
- (248) 626-7544
- Enumerated
- May 18, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (248) 626-9698
- Medicare enrollment
- Enrolled (PECOS I20060207000567); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 30840 Northwestern Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Minkin, M.D.Internal Medicine Physician1629053954
- Barry Moss, MDInternal Medicine Physician1164404133
- Gordon Moss, M.D.Internal Medicine Physician1639154925
Verify Mark Roby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license MR001689Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average physician assistant in 2024
78 Medicare Part D claims for 18 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate21 claims
- Clozapine11 claims
- Lorazepam11 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.
Bills Medicare through one group practice
- Behavioral Care Solutions For Adults And Seniors IncBirmingham, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Roby among 6,989 physician assistant records in Michigan
Mark Roby, PAC is one of 6,989 physician assistant records with a practice address in Michigan. 82% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 83% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1981 · median 2017 among the 4,739 with a school on file
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 physician assistant records list a practice address in Farmington Hills
They are 80 of the 36,305 NPPES records with a practice address in Farmington Hills, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Farmington Hills → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Brannon Alexander, PAFarmington Hills, MI 483341598978256
- Mikala Barry, PA-CFarmington Hills, MI 483341760639512
- Marjorie Field, PAFarmington Hills, MI 483341083732614
- Jessica FirmanFarmington Hills, MI 483341639445828
- Sandra Keavey, PA-CFarmington Hills, MI 483341215932702
- Julie Linton, PAFarmington Hills, MI 483341639413107
- Wendy Najarian, PA-CFarmington Hills, MI 483341972758746
- Christy Parent, PA-CFarmington Hills, MI 483341356661722
Common questions
What is Mark Roby, PAC's NPI number?
Mark Roby, PAC's National Provider Identifier (NPI) is 1770536989, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Roby, PAC located?
The NPPES record lists a practice address at 30840 Northwestern Hwy, Farmington Hills, MI, 48334. Phone: (248) 626-7544. Providers update this record themselves, so call before visiting.
How can I verify Mark Roby, PAC's license?
NPPES lists Michigan license number MR001689, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Roby, PAC prescribe under Medicare Part D?
In 2024, Mark Roby, PAC had 78 Medicare Part D claims for 18 beneficiaries; the average among physician assistant prescribers was 830. 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.