NeurologyOsteopathic MedicineStudents, Medical
Dr. Robert S. Greenwood, MD
NPI1407967037
- Medicare services, 2021
- 14
- Part D claims, 2024
- 41
- Publications
- 70
- Hospital affiliations
- 1
- Industry payments
- $7,298
- Practice address
- 4420 Lake Boone Trl, Raleigh, NC 27607
- Practice phone
- Call (919) 784-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UNC Rex Healthcare
Raleigh, North Carolina
Find Dr. Greenwood's professional email, personal email and mobile number
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Dr. Robert S. Greenwood is a neurologist in Raleigh, North Carolina
Dr. Greenwood practices at UNC Rex Healthcare in Raleigh, North Carolina.
Dr. Greenwood's NPI, 1407967037, was assigned on August 31, 2006. Dr. Greenwood graduated from UTMB Health in 1968. Dr. Greenwood holds North Carolina license 21564.
NPI and contact details
- NPI
- 1407967037NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (919) 784-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 84
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert S. Greenwood practices at UNC Rex Healthcare in Raleigh, North Carolina
Dr. Greenwood's primary practice is UNC Rex Healthcare, at 4420 Lake Boone Trl, Raleigh, NC 27607 in Wake County. The practice phone is (919) 784-3100.
- UNC Rex Healthcare4420 Lake Boone Trl, Raleigh, NC 27607 · Wake CountyPhone(919) 784-3100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert S. Greenwood is affiliated with 2 sites of care and 1 medical group
Dr. Greenwood's primary practice is UNC Rex Healthcare in Raleigh, North Carolina. Dr. Greenwood is also affiliated with UNC Hospitals. The medical group on file is UNC Faculty Physicians.
UNC Rex HealthcarePrimary
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. Robert S. Greenwood's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenwood practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UNC Rex Healthcare | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert S. Greenwood is one of 543 neurologists in North Carolina
Neurology is Dr. Greenwood's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Greenwood is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Greenwood's licenses on file in 2 states: North Carolina and Texas.
Specialties and state licenses
- Neurology, North CarolinaPrimary
- Texas license
Clinical focus
Dmand AI lists muscle weakness among the conditions Dr. Greenwood treats.
Neurologists near Dr. Greenwood
Counts of neurologists 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. Robert S. Greenwood billed Medicare for 14 services in 2021
CMS data shows 14 Medicare services from Dr. Greenwood across 1 procedure code in 2021, all of them office visits. Medicare paid $1,141 for them. Every service was in an office.
Medicare services, 202114
Paid by Medicare$1,141
Procedure codes1
Dr. Greenwood compared with the North Carolina median for neurologists, 2021
- Dr. Greenwood
- North Carolina median
- Medicare services
- 14vs 35096% below
- Part D claims
- 26vs 55095% below
Medians across 528 neurologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Greenwood's most billed Medicare procedure codes, 2021
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. Greenwood?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greenwood and other neurologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert S. Greenwood's patients have a median age of 29
Across all payers, Dmand AI patient panel data puts Dr. Greenwood's median patient age at 29, with 67% women.
Dr. Greenwood's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 29
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Robert S. Greenwood wrote 41 Medicare Part D claims in 2024
In 2024, Dr. Greenwood wrote 41 Medicare Part D claims. 88% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $1,236 in total drug cost. In 2023, CMS named 92 claims across 4 drugs.
Part D claims, 202441
Drugs named by CMS2
Total drug cost$1,236
Dr. Greenwood's Part D claims by kind of drug, 2024
- Generic36 claims88%
- Brand-name and other5 claims12%
Dr. Greenwood'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: 922024: 2672%
Drugs named by CMS: 2 in 2024, 4 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
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Dr. Robert S. Greenwood has 70 publications on record
Dmand AI links 70 papers to Dr. Greenwood, published from 2005 to 2019. 2018 was the busiest year, with 3. The most frequent topics are Seizures, Epilepsy and Kindling, Neurologic. Dr. Greenwood has published most often in Neurology. Dr. Greenwood's most frequent co-authors are Michael B. Tennison, MD, Jonathan Sanford Berg, MD and Mauricio Jose Castillo, MD.
Papers70
Years published2005 to 2019
Dr. Greenwood's papers by year, 2005 to 2019
Topics Dr. Greenwood writes about most
- Seizures
- Epilepsy
- Kindling, Neurologic
- Magnetic Resonance Imaging
- Amygdala
- Brain
- Neurofibromatosis 1
- Rats, Inbred Strains
Dr. Greenwood's most frequent co-authors
- Michael B. Tennison, MD16 shared papers
- Jonathan Sanford Berg, MD4 shared papers
- Mauricio Jose Castillo, MD3 shared papers
Recent publications by Dr. Greenwood
J Inherit Metab Dis
AtrophyBrain DiseasesCongenital Disorders of Glycosylation
EpilepsyPrecision MedicineSeizures
See who Dr. Greenwood researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Greenwood works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert S. Greenwood received $7,298 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Greenwood from 5 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 73% of the total. AstraZeneca Pharmaceuticals LP paid the most, $6,912.
General payments to Dr. Greenwood by program year, 2016 to 2025
General payments to Dr. Greenwood by kind, 2016 to 2025
$7.3Kin total
- Consulting fees$5,35073%
- Speaker and faculty fees$1,51521%
- Honoraria$3004%
- Food and beverage$1312%
- Education$20%
Companies that paid Dr. Greenwood the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert S. Greenwood has 1 award and honors on record
Dmand AI lists 1 award for Dr. Greenwood, most recently America's Top Doctors in 2019.
Awards and honors for Dr. Greenwood
- 2019
- America's Top Doctors
Source: Dmand AI Professional Profile Data
Dr. Robert S. Greenwood graduated from UTMB Health
Dr. Greenwood graduated from UTMB Health in 1968.
- Medical school
- Board certified in pediatrics
- Board certified in neurology with special qualification in child neurology
Source: Dmand AI Professional Profile Data
Dr. Robert S. Greenwood accepts plans from 16 insurance carriers
Dr. Greenwood is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross and Blue Shield of North Carolina
- Cigna
- Elevance
- HCSC
- Aspirus Health Plan
- +8 more carriersWith a free account
Plan types Dr. Greenwood accepts, by number of carriers
- PPO10
- HMO9
- Medicare7
- EPO4
- POS4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert S. Greenwood'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 Data |
| 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Robert S. Greenwood
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. Robert S. Greenwood's NPI number?
Dr. Robert S. Greenwood's NPI number is 1407967037. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert S. Greenwood?
Dr. Robert S. Greenwood is a neurologist in Raleigh, North Carolina. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Robert S. Greenwood practice?
Dr. Greenwood practices at 4420 Lake Boone Trl, Raleigh, NC 27607. Dr. Greenwood's primary practice is UNC Rex Healthcare in Raleigh, North Carolina.
What is Dr. Robert S. Greenwood's office phone number?
The practice phone on file for Dr. Greenwood is (919) 784-3100.
What is Dr. Robert S. Greenwood's medical license number?
Dr. Greenwood holds North Carolina license 21564, one of the licenses on file in 2 states.
Which states has Dr. Robert S. Greenwood been licensed in?
Dmand AI has state licenses on file for Dr. Greenwood in North Carolina (1977 to 2026) and Texas (1968 to 2019).
Which hospitals is Dr. Robert S. Greenwood affiliated with?
Dr. Greenwood is affiliated with UNC Hospitals.
What medical group is Dr. Robert S. Greenwood part of?
Dr. Greenwood is linked to UNC Faculty Physicians.
Does Dr. Robert S. Greenwood accept Medicare?
Yes. CMS data shows Dr. Greenwood billed Medicare for 14 services in 2021.
Is Dr. Robert S. Greenwood board certified?
Yes. Dr. Greenwood is board certified in pediatrics by the American Board of Pediatrics.
Show 8 more questionsShow fewer questions
What services does Dr. Robert S. Greenwood bill to Medicare?
In 2021, Dr. Greenwood's most billed Medicare services were office visit, established patient (99215).
Where did Dr. Robert S. Greenwood go to medical school?
Dr. Greenwood graduated from UTMB Health in 1968.
What drugs does Dr. Robert S. Greenwood prescribe most?
In 2024 Medicare Part D data, Dr. Greenwood's most prescribed drugs by claims were Acetazolamide and Levocarnitine.
Has Dr. Robert S. Greenwood received payments from drug or device companies?
CMS Open Payments shows $7,298 in general payments to Dr. Greenwood from 5 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Robert S. Greenwood been practicing?
Dr. Greenwood graduated from medical school in 1968, 58 years ago.
Does Dr. Robert S. Greenwood do research?
Dmand AI links 70 publications to Dr. Greenwood, published from 2005 to 2019.
Who does Dr. Robert S. Greenwood publish with?
Dr. Greenwood's most frequent co-authors are Michael B. Tennison, MD (16 shared papers), Jonathan Sanford Berg, MD (4 shared papers) and Mauricio Jose Castillo, MD (3 shared papers).
What insurance does Dr. Robert S. Greenwood accept?
Dr. Greenwood is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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