Dr. Maggie Pierson Ross, MD
- Medicare services, 2023
- 24
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 13
- Hospital affiliations
- 1
- Industry payments
- $150
- Practice address
- 701 Grove Road, Greenville, SC 29605
- Practice phone
- Call (864) 455-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ross' professional email, personal email and mobile number
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Dr. Maggie Pierson Ross is a psychiatrist in Greenville, South Carolina
Dr. Ross practices at Prisma Health Greenville Memorial Hospital in Greenville, South Carolina, part of Prisma Health.
Dr. Ross' NPI, 1881822443, was assigned on June 23, 2009. Dr. Ross graduated from Medical University of South Carolina College of Medicine in 2009. Dr. Ross holds South Carolina license 31934.
- NPI
- 1881822443NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678734159
- NPI enumeration date
- June 23, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (864) 455-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maggie Pierson Ross practices at Prisma Health Greenville Memorial Hospital in Greenville, South Carolina
Dr. Ross' primary practice is Prisma Health Greenville Memorial Hospital, at 701 Grove Road, Greenville, SC 29605 in Greenville County. The practice phone is (864) 455-7000.
- Prisma Health Greenville Memorial Hospital701 Grove Road, Greenville, SC 29605 · Greenville CountyPhone(864) 455-7000
Source: Dmand AI Affiliation Data
Dr. Maggie Pierson Ross is affiliated with 1 site of care and 1 medical group
Dr. Ross' primary practice is Prisma Health Greenville Memorial Hospital in Greenville, South Carolina, part of Prisma Health. The medical group on file is Prisma Health Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maggie Pierson Ross' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ross practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Greenville Memorial Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maggie Pierson Ross is one of 630 psychiatrists in South Carolina
Psychiatry is Dr. Ross' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Ross is licensed in South Carolina.
Specialties and state licenses
- Psychiatry, South CarolinaPrimary
Psychiatrists near Dr. Ross
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. Maggie Pierson Ross billed Medicare for 24 services in 2023
CMS data shows 24 Medicare services from Dr. Ross across 2 procedure codes in 2023, for 33 Medicare patients. Medicare paid $2,933 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ross' Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 152023: 1220%
- Office and hospital visits
- 2022: 02023: 12
Dr. Ross compared with the South Carolina median for psychiatrists, 2023
- Dr. Ross
- South Carolina median
- Medicare services
- 24vs 12981% below
- Medicare patients
- 33vs 4933% below
- Part D claims
- 11vs 16893% below
Medians across 616 psychiatrists in South Carolina with Dmand AI profiles that report each measure.
Dr. Ross' most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maggie Pierson Ross treated 33 Medicare patients in 2024, average age 60
CMS counts 33 Medicare patients who saw Dr. Ross in 2024. The largest group is under 65, with 15 patients. 75% of them have anxiety, and 75% have mood disorders. 52% are also on Medicaid. Their average risk score is 2.08, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ross' median patient age at 33, with 45% women.
Dr. Ross' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ross' Medicare patients by sex, 2024
- Women1855%
- Men1545%
Chronic conditions among Dr. Ross' Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
- High blood pressure70%
- Depression67%
- High cholesterol61%
- Schizophrenia and other psychoses58%
- Alcohol and drug use disorders45%
- Tobacco use39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ross' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maggie Pierson Ross wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Ross wrote 13 Medicare Part D claims for 12 patients. 85% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $178 in total drug cost. In 2019, CMS named 67 claims across 5 drugs.
Dr. Ross' Part D claims by kind of drug, 2024
- Generic11 claims85%
- Brand-name and other2 claims15%
Dr. Ross' most prescribed drugs by claims, 2022
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, 2019 to 2022
- 2019
- 2022
- Claims for drugs CMS names
- 2019: 672022: 1184%
Drugs named by CMS: 1 in 2022, 5 in 2019.
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. Maggie Pierson Ross offers telehealth to Medicare patients
Dr. Ross accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ross as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Maggie Pierson Ross received $150 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Dr. Ross from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $119.
General payments to Dr. Ross by program year, 2016 to 2018
Companies that paid Dr. Ross the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maggie Pierson Ross graduated from Medical University of South Carolina College of Medicine
Dr. Ross graduated from Medical University of South Carolina College of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maggie Pierson Ross'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) |
| 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. Maggie Pierson Ross
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. Maggie Pierson Ross' NPI number?
Dr. Maggie Pierson Ross' NPI number is 1881822443. It was assigned on June 23, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Maggie Pierson Ross?
Dr. Maggie Pierson Ross is a psychiatrist in Greenville, South Carolina. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Maggie Pierson Ross practice?
Dr. Ross practices at 701 Grove Road, Greenville, SC 29605. Dr. Ross' primary practice is Prisma Health Greenville Memorial Hospital in Greenville, South Carolina, part of Prisma Health.
What is Dr. Maggie Pierson Ross' office phone number?
The practice phone on file for Dr. Ross is (864) 455-7000.
What is Dr. Maggie Pierson Ross' medical license number?
Dr. Ross holds South Carolina license 31934.
Which hospitals is Dr. Maggie Pierson Ross affiliated with?
Dr. Ross practices at Prisma Health Greenville Memorial Hospital in Greenville, South Carolina.
What medical group is Dr. Maggie Pierson Ross part of?
Dr. Ross is linked to Prisma Health Medical Group.
Does Dr. Maggie Pierson Ross accept Medicare?
Yes. CMS data shows Dr. Ross billed Medicare for 24 services in 2023, and Dr. Ross accepts Medicare assignment.
Does Dr. Maggie Pierson Ross offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ross as offering telehealth services.
How many Medicare patients does Dr. Maggie Pierson Ross see?
CMS counts 33 Medicare patients who saw Dr. Ross in 2024, with an average age of 60.
Show 5 more questionsShow fewer questions
What services does Dr. Maggie Pierson Ross bill to Medicare?
In 2023, Dr. Ross' most billed Medicare services were psychiatric service (90792) and emergency department visit (99285).
Where did Dr. Maggie Pierson Ross go to medical school?
Dr. Ross graduated from Medical University of South Carolina College of Medicine in 2009.
What drugs does Dr. Maggie Pierson Ross prescribe most?
In 2022 Medicare Part D data, Dr. Ross' most prescribed drugs by claims were Risperidone.
Has Dr. Maggie Pierson Ross received payments from drug or device companies?
CMS Open Payments shows $150 in general payments to Dr. Ross from 2 companies from 2016 to 2018. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Maggie Pierson Ross been practicing?
Dr. Ross graduated from medical school in 2009, 17 years ago.
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