Mary Johnson, PNP
- Part D claims, 2024
- 119
- MIPS score, 2024
- 79
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 171 Ashley Ave, Charleston, SC 29425
- Practice phone
- Call (843) 792-1414
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MUSC University Hospital
Charleston, South Carolina
Find Mary Johnson's professional email, personal email and mobile number
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Mary Johnson is a nurse practitioner in Charleston, South Carolina
Mary Johnson practices at MUSC University Hospital in Charleston, South Carolina.
Mary Johnson's NPI, 1881836492, was assigned on March 27, 2009. Mary Johnson graduated from Emory University School of Medicine in 1998. Mary Johnson holds South Carolina license 2856.
- NPI
- 1881836492NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921156399
- NPI enumeration date
- March 27, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 792-1414
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Johnson practices at MUSC University Hospital in Charleston, South Carolina
Mary Johnson's primary practice is MUSC University Hospital, at 171 Ashley Ave, Charleston, SC 29425 in Charleston County. The practice phone is (843) 792-1414.
- MUSC University Hospital171 Ashley Ave, Charleston, SC 29425 · Charleston CountyPhone(843) 792-1414
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mary Johnson is affiliated with 3 sites of care and 1 medical group
Mary Johnson's primary practice is MUSC University Hospital in Charleston, South Carolina. Mary Johnson is also affiliated with MUSC Health University Medical Center. The medical group on file is MUSC Health. Dmand AI also links Mary Johnson to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mary Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MUSC University Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Johnson is one of 971 nurse practitioners in South Carolina
Nurse practitioner is Mary Johnson's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mary Johnson is licensed in South Carolina.
Specialties and state licenses
- Nurse practitioner, South CarolinaPrimary
Nurse practitioners near Mary Johnson
Counts of nurse practitioners 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
Mary Johnson's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Mary Johnson's median patient age at 13, with 52% women.
Mary 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 13
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Mary Johnson wrote 119 Medicare Part D claims in 2024
In 2024, Mary Johnson wrote 119 Medicare Part D claims for 11 patients. 73% of them were for generic drugs.
Mary Johnson's Part D claims by kind of drug, 2024
- Generic87 claims73%
- Brand-name32 claims27%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mary Johnson scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Mary Johnson for performance year 2024, reported as part of a group. Mary Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mary Johnson's MIPS scores, performance year 2024
- 79of 100Final score
- 62.4of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Mary Johnson graduated from Emory University School of Medicine
Mary Johnson graduated from Emory University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mary 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Mary 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 Mary Johnson's NPI number?
Mary Johnson's NPI number is 1881836492. It was assigned on March 27, 2009, and it is active in the NPI Registry.
What does Mary Johnson specialize in?
Mary Johnson is a nurse practitioner in Charleston, South Carolina. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mary Johnson practice?
Mary Johnson practices at 171 Ashley Ave, Charleston, SC 29425. Mary Johnson's primary practice is MUSC University Hospital in Charleston, South Carolina. Dmand AI also links Mary Johnson to 1 group practice or clinic.
What is Mary Johnson's office phone number?
The practice phone on file for Mary Johnson is (843) 792-1414.
What is Mary Johnson's medical license number?
Mary Johnson holds South Carolina license 2856.
Which hospitals is Mary Johnson affiliated with?
Mary Johnson is affiliated with MUSC Health University Medical Center.
What medical group is Mary Johnson part of?
Mary Johnson is linked to MUSC Health.
Does Mary Johnson accept Medicare?
Yes. CMS lists Mary Johnson as accepting Medicare assignment.
What is Mary Johnson's MIPS score?
Mary Johnson's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
Where did Mary Johnson go to medical school?
Mary Johnson graduated from Emory University School of Medicine in 1998.
How long has Mary Johnson been practicing?
Mary Johnson graduated from medical school in 1998, 28 years ago.
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