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Dr. Anna Marshall, DO
NPI1639559180PAC ID6507172806
- Medicare services, 2024
- 2,774
- Medicare patients, 2024
- 281
- Part D claims, 2024
- 1,326
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 2544 Court Dr, Gastonia, NC 28054
- Practice phone
- Call (704) 348-2992
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Metrolina Nephrology Associates, PA
Gastonia, North Carolina
Find Dr. Marshall'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. Anna Marshall is a nephrologist in Gastonia, North Carolina
Dr. Marshall practices at Metrolina Nephrology Associates, PA in Gastonia, North Carolina.
Dr. Marshall's NPI, 1639559180, was assigned on May 30, 2015. Dr. Marshall holds North Carolina license 2020-01084.
NPI and contact details
- NPI
- 1639559180NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507172806
- NPI enumeration date
- May 30, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (704) 348-2992
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anna Marshall practices at Metrolina Nephrology Associates, PA in Gastonia, North Carolina
Dr. Marshall's primary practice is Metrolina Nephrology Associates, PA, at 2544 Court Dr, Gastonia, NC 28054 in Gaston County. The practice phone is (704) 348-2992.
- Metrolina Nephrology Associates, PA2544 Court Dr, Gastonia, NC 28054 · Gaston CountyPhone(704) 348-2992
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Anna Marshall is affiliated with 6 sites of care and 1 medical group
Dr. Marshall's primary practice is Metrolina Nephrology Associates, PA in Gastonia, North Carolina. Dr. Marshall is also affiliated with CaroMont Regional Medical Center. The medical group on file is Metrolina Nephrology Associates. Dmand AI also links Dr. Marshall to 1 more hospital, 2 dialysis centers and 1 ambulatory surgery center, each named with a free account.
Metrolina Nephrology Associates, PAPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Anna Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Metrolina Nephrology Associates, PA | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anna Marshall is one of 348 nephrologists in North Carolina
Nephrology is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Marshall's licenses on file in 3 states: North Carolina, Florida and South Carolina.
Specialties and state licenses
- Nephrology, North CarolinaPrimary
- Internal medicine, Florida
- South Carolina license
Nephrologists near Dr. Marshall
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
348nephrologists in North Carolina
6nephrologists in Gastonia
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Anna Marshall billed Medicare for 2,774 services in 2024
CMS data shows 2,774 Medicare services from Dr. Marshall across 28 procedure codes in 2024, for 281 Medicare patients. Medicare paid $129,592 for them.
Medicare services, 20242,774
Medicare patients281
Paid by Medicare$129,592
Procedure codes28
Dr. Marshall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,9572024: 1,23937%
- Office and hospital visits
- 2023: 7072024: 6981%
- Tests and treatments
- 2023: 5182024: 42618%
- Surgery
- 2023: 4322024: 28634%
- Other services
- 2023: 02024: 125
- Drugs given in the office
- 2023: 6,0302024: 0100%
Where Dr. Marshall's Medicare services took place, 2024
- In an office2,45288%
- In a facility32212%
Dr. Marshall compared with the North Carolina median for nephrologists, 2024
- Dr. Marshall
- North Carolina median
- Medicare services
- 2,774vs 1,0462.7 times
- Medicare patients
- 281vs 2975% below
- Part D claims
- 1,175vs 73261% above
Medians across 346 nephrologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Marshall'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. Marshall?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marshall and other nephrologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anna Marshall treated 281 Medicare patients in 2024, average age 70
CMS counts 281 Medicare patients who saw Dr. Marshall in 2024. The largest group is 65 to 74, with 101 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 26% are also on Medicaid. Their average risk score is 4.39, 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. Marshall's median patient age at 71, with 54% women.
Medicare patients, 2024281
Average age70
Average risk score4.39
Also on Medicaid26%
Dr. Marshall's Medicare patients by age, 2024
Dr. Marshall's Medicare patients by sex, 2024
- Women14451%
- Men13749%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes58%
- Arthritis51%
- Heart failure47%
- Ischemic heart disease43%
- Anxiety39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anna Marshall wrote 1,326 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 1,326 Medicare Part D claims for 250 patients. 90% of them were for generic drugs. CMS names the drug for 1,175 of them, across 24 drugs with 11 or more claims each, at $223,106 in total drug cost. In 2023, CMS named 1,295 claims across 25 drugs.
Part D claims, 20241,326
Drugs named by CMS24
Total drug cost$223,106
Part D patients250
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic1,189 claims90%
- Brand-name137 claims10%
Dr. Marshall's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,2952024: 1,1759%
Drugs named by CMS: 24 in 2024, 25 in 2023.
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
How Dr. Anna Marshall takes part in Medicare
Dr. Marshall 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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Dr. Anna Marshall has 1 publication on record
Dmand AI links 1 paper to Dr. Marshall in 2012.
Papers1
Recent publications by Dr. Marshall
See who Dr. Marshall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marshall works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Anna Marshall received $2,634 in industry payments from 2016 to 2022
CMS Open Payments shows 29 general payments to Dr. Marshall from 13 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 89% of the total. AstraZeneca Pharmaceuticals LP paid the most, $641.
General payments to Dr. Marshall by program year, 2016 to 2022
General payments to Dr. Marshall by kind, 2016 to 2022
$2.6Kin total
- Food and beverage$2,34089%
- Education$29411%
Companies that paid Dr. Marshall the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Anna Marshall'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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 Dr. Anna Marshall
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. Anna Marshall's NPI number?
Dr. Anna Marshall's NPI number is 1639559180. It was assigned on May 30, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Anna Marshall?
Dr. Anna Marshall is a nephrologist in Gastonia, North Carolina. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Anna Marshall practice?
Dr. Marshall practices at 2544 Court Dr, Gastonia, NC 28054. Dr. Marshall's primary practice is Metrolina Nephrology Associates, PA in Gastonia, North Carolina. Dmand AI also links Dr. Marshall to 1 hospital, 2 dialysis centers and 1 ambulatory surgery center.
What is Dr. Anna Marshall's office phone number?
The practice phone on file for Dr. Marshall is (704) 348-2992.
What is Dr. Anna Marshall's medical license number?
Dr. Marshall holds North Carolina license 2020-01084, one of the licenses on file in 3 states.
Which states has Dr. Anna Marshall been licensed in?
Dmand AI has state licenses on file for Dr. Marshall in North Carolina, Florida and South Carolina.
Which hospitals is Dr. Anna Marshall affiliated with?
Dr. Marshall is affiliated with CaroMont Regional Medical Center. Dmand AI links Dr. Marshall to 1 more hospital.
What medical group is Dr. Anna Marshall part of?
Dr. Marshall is linked to Metrolina Nephrology Associates.
Does Dr. Anna Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 2,774 services in 2024, and Dr. Marshall accepts Medicare assignment.
How many Medicare patients does Dr. Anna Marshall see?
CMS counts 281 Medicare patients who saw Dr. Marshall in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. Anna Marshall bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were surgery: heart and blood vessels (36415), lab and pathology test (80069) and lab and pathology test (83970).
What drugs does Dr. Anna Marshall prescribe most?
In 2024 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Nifedipine ER, Amlodipine Besylate and Losartan Potassium.
Has Dr. Anna Marshall received payments from drug or device companies?
CMS Open Payments shows $2,634 in general payments to Dr. Marshall from 13 companies from 2016 to 2022. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Anna Marshall been practicing?
Dr. Marshall graduated from medical school in 2015, 11 years ago.
Does Dr. Anna Marshall do research?
Dmand AI links 1 publication to Dr. Marshall.
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