Grace O'Brien Johnson, PA-C
- Medicare patients, 2024
- 26
- Part D claims, 2024
- 51
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 1800 Zollinger Rd, Upper Arlington, OH 43221
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Osu General Surgery - HOPD
Acute Care Hospital outpatient department · Upper Arlington, Ohio
Find Grace Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Grace O'Brien Johnson is a physician assistant in Columbus, Ohio
Grace Johnson practices at Osu General Surgery - HOPD in Upper Arlington, Ohio.
Grace Johnson's NPI, 1649792227, was assigned on July 14, 2017. Grace Johnson holds Ohio license 50.005154RX.
- NPI
- 1649792227NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870865892
- NPI enumeration date
- July 14, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Grace O'Brien Johnson practices at Osu General Surgery - HOPD in Upper Arlington, Ohio
Grace Johnson's primary practice is Osu General Surgery - HOPD, at 1800 Zollinger Rd, Upper Arlington, OH 43221.
- Osu General Surgery - HOPD1800 Zollinger Rd, Upper Arlington, OH 43221
Source: Dmand AI Affiliation Data
Grace O'Brien Johnson is affiliated with 3 sites of care and 2 medical groups
Grace Johnson's primary practice is Osu General Surgery - HOPD in Upper Arlington, Ohio. Grace Johnson is also affiliated with Ohio State University Hospital. The medical group on file is Ohio State University Physicians. Dmand AI also links Grace Johnson to 1 more group practice or clinic and 1 medical group, each named with a free account. Grace Johnson's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Grace O'Brien Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Grace Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Osu General Surgery - HOPD | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Grace O'Brien Johnson is one of 4,524 physician assistants in Ohio
Physician assistant is Grace Johnson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Grace Johnson is licensed in Ohio.
Specialties and state licenses
- Physician assistant, OhioPrimary
Physician assistants near Grace Johnson
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Grace O'Brien Johnson treated 26 Medicare patients in 2024, average age 72
CMS counts 26 Medicare patients who saw Grace Johnson in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Grace Johnson's median patient age at 38, with 63% women.
Grace Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Grace Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis54%
Share of Medicare patients with each condition. A patient can have several.
Grace Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Grace O'Brien Johnson wrote 51 Medicare Part D claims in 2024
In 2024, Grace Johnson wrote 51 Medicare Part D claims for 39 patients. 98% of them were for generic drugs.
Grace Johnson's Part D claims by kind of drug, 2024
- Generic50 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in Grace Johnson's Part D claims, 2024
- Antibiotics57%29 of 51 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Grace O'Brien Johnson takes part in Medicare
Grace Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Grace O'Brien Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Grace O'Brien Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Grace O'Brien Johnson's NPI number?
Grace O'Brien Johnson's NPI number is 1649792227. It was assigned on July 14, 2017, and it is active in the NPI Registry.
What does Grace O'Brien Johnson specialize in?
Grace O'Brien Johnson is a physician assistant in Columbus, Ohio. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Grace O'Brien Johnson practice?
Grace Johnson practices at 1800 Zollinger Rd, Upper Arlington, OH 43221. Grace Johnson's primary practice is Osu General Surgery - HOPD in Upper Arlington, Ohio. Dmand AI also links Grace Johnson to 1 group practice or clinic and 1 medical group.
What is Grace O'Brien Johnson's medical license number?
Grace Johnson holds Ohio license 50.005154RX.
Which hospitals is Grace O'Brien Johnson affiliated with?
Grace Johnson is affiliated with Ohio State University Hospital.
What medical group is Grace O'Brien Johnson part of?
Grace Johnson is linked to Ohio State University Physicians. Dmand AI links Grace Johnson to 1 more medical group.
Does Grace O'Brien Johnson accept Medicare?
Yes. CMS lists Grace Johnson as accepting Medicare assignment.
How many Medicare patients does Grace O'Brien Johnson see?
CMS counts 26 Medicare patients who saw Grace Johnson in 2024, with an average age of 72.
How long has Grace O'Brien Johnson been practicing?
Grace Johnson graduated from medical school in 2017, 9 years ago.
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