Grace O'Brien Johnson, PA-C
Physician Assistant · Hilliard, OH
Grace O'Brien Johnson, PA-C is a physician assistant with a practice address in Hilliard, Ohio, and NPI 1649792227, issued on Jul 14, 2017. Check the license (Ohio 50.005154RX, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grace O'Brien Johnson
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 50.005154RX OH
Self-reported in NPPES; status is on the state search - Practice location
- 3995 Cosgray RD, Hilliard, OH 43026
- Phone
- (614) 293-3200
- Enumerated
- Jul 14, 2017
- Record last updated
- Aug 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20170824003298); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 5,325 in Ohio → Look up another NPI →
Also registered at 3995 Cosgray RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Grace O'Brien Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 50.005154RXCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average physician assistant in 2024
51 Medicare Part D claims for 39 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Osu General Internal Medicine LLCColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace O'Brien Johnson among 5,325 physician assistant records in Ohio
Grace O'Brien Johnson, PA-C is one of 5,325 physician assistant records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 41% of them.
- NPI issued2017 · 41% of these records are older, 53% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2017 · median 2019 among the 3,621 with a school on file
- Record last updated2025 · 37% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 physician assistant records list a practice address in Hilliard
They are 20 of the 1,149 NPPES records with a practice address in Hilliard, and 5,325 physician assistant records in Ohio.
All 5,325 in Ohio → Every provider in Hilliard → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elizabeth Benissan-Messan, PA-CHilliard, OH 430261639551161
- Jaclyn Dight, PACHilliard, OH 430261881638237
- Steven Hunt, PA-CHilliard, OH 430261922471697
- Lauren Koehler, PA-CHilliard, OH 430261558058941
- Christine Mack, PA-CHilliard, OH 430261255569265
- Elizabeth Martinelli, PA-CHilliard, OH 430261841522943
- Stephanie Matura, MSPAHilliard, OH 430261497302830
- Lyndi Miller, PA-CHilliard, OH 430261477833366
Common questions
What is Grace O'Brien Johnson, PA-C's NPI number?
Grace O'Brien Johnson, PA-C's National Provider Identifier (NPI) is 1649792227, issued on Jul 14, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Grace O'Brien Johnson, PA-C located?
The NPPES record lists a practice address at 3995 Cosgray RD, Hilliard, OH, 43026. Phone: (614) 293-3200. Providers update this record themselves, so call before visiting.
How can I verify Grace O'Brien Johnson, PA-C's license?
NPPES lists Ohio license number 50.005154RX, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Grace O'Brien Johnson, PA-C prescribe under Medicare Part D?
In 2024, Grace O'Brien Johnson, PA-C had 51 Medicare Part D claims for 39 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Grace O'Brien Johnson, PA-C's MIPS final score?
The 2023 MIPS final score is 79.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.