Dr. Joanna E. Gratton, DO
- Medicare services, 2024
- 167
- Medicare patients, 2024
- 46
- Part D claims, 2024
- 84
- MIPS score, 2024
- 90
- Hospital affiliations
- 2
- Practice address
- 298 Memorial Dr, Seneca, SC 29672
- Practice phone
- Call (864) 482-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gratton'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.
Dr. Joanna E. Gratton is a psychiatrist in Seneca, South Carolina
Dr. Gratton practices at Prisma Health Oconee Memorial Hospital in Seneca, South Carolina, part of Prisma Health.
Dr. Gratton's NPI, 1518158005, was assigned on August 8, 2007. Dr. Gratton graduated from Edward Via Col of Osteo Medicine-Virginia Campus in 2007. Dr. Gratton holds Maine license DO2314.
- NPI
- 1518158005NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890946578
- NPI enumeration date
- August 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (864) 482-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joanna E. Gratton practices at Prisma Health Oconee Memorial Hospital in Seneca, South Carolina
Dr. Gratton's primary practice is Prisma Health Oconee Memorial Hospital, at 298 Memorial Dr, Seneca, SC 29672 in Oconee County. The practice phone is (864) 482-3100.
- Prisma Health Oconee Memorial Hospital298 Memorial Dr, Seneca, SC 29672 · Oconee CountyPhone(864) 482-3100
Source: Dmand AI Affiliation Data
Dr. Joanna E. Gratton is affiliated with 3 sites of care and 3 medical groups
Dr. Gratton's primary practice is Prisma Health Oconee Memorial Hospital in Seneca, South Carolina, part of Prisma Health. Dr. Gratton is also affiliated with Prisma Health Greenville Memorial Hospital. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Gratton to 2 more medical groups and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joanna E. Gratton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gratton practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Oconee Memorial Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Prisma Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joanna E. Gratton is one of 630 psychiatrists in South Carolina
Psychiatry is Dr. Gratton's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Gratton is licensed in Maine.
Specialties and state licenses
- Psychiatry, MainePrimary
Psychiatrists near Dr. Gratton
Counts of psychiatrists 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
Dr. Joanna E. Gratton billed Medicare for 167 services in 2024
CMS data shows 167 Medicare services from Dr. Gratton across 4 procedure codes in 2024, for 46 Medicare patients. Medicare paid $14,145 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gratton's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2592024: 16736%
Dr. Gratton compared with the South Carolina median for psychiatrists, 2024
- Dr. Gratton
- South Carolina median
- Medicare services
- 167vs 12929% above
- Medicare patients
- 46vs 496% below
- Part D claims
- 26vs 16885% below
Medians across 616 psychiatrists in South Carolina with Dmand AI profiles that report each measure.
Dr. Gratton's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gratton?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gratton and other psychiatrists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joanna E. Gratton treated 46 Medicare patients in 2024, average age 57
CMS counts 46 Medicare patients who saw Dr. Gratton in 2024. The largest group is under 65, with 27 patients. 75% of them have anxiety, and 75% have mood disorders. 46% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gratton's median patient age at 24, with 56% women.
Dr. Gratton's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gratton's Medicare patients by sex, 2024
- Women2350%
- Men2350%
Chronic conditions among Dr. Gratton's Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
- Depression70%
- High blood pressure70%
- Tobacco use57%
- Alcohol and drug use disorders54%
- High cholesterol48%
- Bipolar disorder43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gratton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 24
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joanna E. Gratton wrote 84 Medicare Part D claims in 2024
In 2024, Dr. Gratton wrote 84 Medicare Part D claims for 32 patients. 93% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $377 in total drug cost. In 2022, CMS named 64 claims across 4 drugs.
Dr. Gratton's Part D claims by kind of drug, 2024
- Generic78 claims93%
- Brand-name and other6 claims7%
Dr. Gratton's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 642023: 2659%
Drugs named by CMS: 2 in 2023, 4 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Joanna E. Gratton scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Gratton for performance year 2024, reported through an alternative payment model (APM). Dr. Gratton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gratton as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gratton's MIPS scores, performance year 2024
- 90of 100Final score
- 77.7of 100Quality
- 100of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Joanna E. Gratton received $683 in industry payments from 2016 to 2021
CMS Open Payments shows 20 general payments to Dr. Gratton from 3 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $354.
General payments to Dr. Gratton by program year, 2016 to 2021
Companies that paid Dr. Gratton the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joanna E. Gratton graduated from Edward Via Col of Osteo Medicine-Virginia Campus
Dr. Gratton graduated from Edward Via Col of Osteo Medicine-Virginia Campus in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joanna E. Gratton'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 DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Industry payments | Open Payments (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 Dr. Joanna E. Gratton
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Joanna E. Gratton's NPI number?
Dr. Joanna E. Gratton's NPI number is 1518158005. It was assigned on August 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Joanna E. Gratton?
Dr. Joanna E. Gratton is a psychiatrist in Seneca, South Carolina. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Joanna E. Gratton practice?
Dr. Gratton practices at 298 Memorial Dr, Seneca, SC 29672. Dr. Gratton's primary practice is Prisma Health Oconee Memorial Hospital in Seneca, South Carolina, part of Prisma Health. Dmand AI also links Dr. Gratton to 2 medical groups and 1 hospital outpatient department.
What is Dr. Joanna E. Gratton's office phone number?
The practice phone on file for Dr. Gratton is (864) 482-3100.
What is Dr. Joanna E. Gratton's medical license number?
Dr. Gratton holds Maine license DO2314.
Which hospitals is Dr. Joanna E. Gratton affiliated with?
Dr. Gratton practices at Prisma Health Oconee Memorial Hospital in Seneca, South Carolina. Dr. Gratton is also affiliated with Prisma Health Greenville Memorial Hospital.
What medical group is Dr. Joanna E. Gratton part of?
Dr. Gratton is linked to Prisma Health Medical Group. Dmand AI links Dr. Gratton to 2 more medical groups.
Does Dr. Joanna E. Gratton accept Medicare?
Yes. CMS data shows Dr. Gratton billed Medicare for 167 services in 2024, and Dr. Gratton accepts Medicare assignment.
Does Dr. Joanna E. Gratton offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gratton as offering telehealth services.
What is Dr. Joanna E. Gratton's MIPS score?
Dr. Gratton's MIPS final score for performance year 2024 is 90 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Joanna E. Gratton see?
CMS counts 46 Medicare patients who saw Dr. Gratton in 2024, with an average age of 57.
What services does Dr. Joanna E. Gratton bill to Medicare?
In 2024, Dr. Gratton's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Where did Dr. Joanna E. Gratton go to medical school?
Dr. Gratton graduated from Edward Via Col of Osteo Medicine-Virginia Campus in 2007.
What drugs does Dr. Joanna E. Gratton prescribe most?
In 2023 Medicare Part D data, Dr. Gratton's most prescribed drugs by claims were Trazodone HCl and Hydroxyzine HCl.
Has Dr. Joanna E. Gratton received payments from drug or device companies?
CMS Open Payments shows $683 in general payments to Dr. Gratton from 3 companies from 2016 to 2021. The largest total came from Alkermes, Inc.
How long has Dr. Joanna E. Gratton been practicing?
Dr. Gratton graduated from medical school in 2007, 19 years ago.
Selling to psychiatry practices?
See psychiatrists in South Carolina by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card