Dr. Robert C. Greenwell Jr., MD
- Medicare services, 2023
- 105
- Part D claims, 2024
- 14
- Industry payments
- $136
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 150 Seventh Avenue, Chardon, OH 44024
- Practice phone
- Call (440) 285-2900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chardon Surgery Center
Surgery Center - Medicare-Certified · Chardon, Ohio
Find Dr. Greenwell'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. Robert C. Greenwell Jr. is a nephrologist in Chardon, Ohio
Dr. Greenwell practices at Chardon Surgery Center in Chardon, Ohio.
Dr. Greenwell's NPI, 1710985148, was assigned on July 11, 2005. Dr. Greenwell graduated from University of Maryland School of Medicine in 1985. Dr. Greenwell holds Maryland license D34334.
- NPI
- 1710985148NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2005
- NPI status
- Active
- Practice phone
- (440) 285-2900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert C. Greenwell Jr. practices at Chardon Surgery Center in Chardon, Ohio
Dr. Greenwell's primary practice is Chardon Surgery Center, at 150 Seventh Avenue, Chardon, OH 44024. The practice phone is (440) 285-2900.
- Chardon Surgery Center150 Seventh Avenue, Chardon, OH 44024Phone(440) 285-2900
Source: Dmand AI Affiliation Data
Dr. Robert C. Greenwell Jr. is affiliated with 1 site of care
Dr. Greenwell's primary practice is Chardon Surgery Center in Chardon, Ohio.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert C. Greenwell Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenwell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chardon Surgery Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert C. Greenwell Jr. is one of 407 nephrologists in Ohio
Nephrology is Dr. Greenwell's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Greenwell is licensed in Maryland.
Specialties and state licenses
- Nephrology, MarylandPrimary
Nephrologists near Dr. Greenwell
Counts of nephrologists 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 C. Greenwell Jr. billed Medicare for 105 services in 2023
CMS data shows 105 Medicare services from Dr. Greenwell across 4 procedure codes in 2023. Medicare paid $3,716 for them. Every service was in an office.
Dr. Greenwell's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 742023: 5427%
- Office and hospital visits
- 2022: 4232023: 5188%
- Tests and treatments
- 2022: 3172023: 0100%
Dr. Greenwell compared with the Ohio median for nephrologists, 2023
- Dr. Greenwell
- Ohio median
- Medicare services
- 105vs 79087% below
- Part D claims
- 116vs 76785% below
Medians across 400 nephrologists in Ohio with Dmand AI profiles that report each measure.
Dr. Greenwell's 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greenwell and other nephrologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert C. Greenwell Jr.'s patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Greenwell's median patient age at 69, with 33% women.
Dr. Greenwell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Robert C. Greenwell Jr. wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Greenwell wrote 14 Medicare Part D claims. 100% of them were for generic drugs. They cover 5 drugs, with $12,034 in total drug cost. In 2021, CMS named 304 claims across 11 drugs.
Dr. Greenwell's 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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 3042022: 11662%
Drugs named by CMS: 5 in 2022, 11 in 2021.
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 C. Greenwell Jr. received $136 in industry payments from 2016 to 2019
CMS Open Payments shows 3 general payments to Dr. Greenwell from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Baxter Healthcare paid the most, $101.
General payments to Dr. Greenwell by program year, 2016 to 2019
Companies that paid Dr. Greenwell the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert C. Greenwell Jr. graduated from University of Maryland School of Medicine
Dr. Greenwell graduated from University of Maryland School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert C. Greenwell Jr.'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 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) |
| 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. Robert C. Greenwell Jr.
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 C. Greenwell Jr.'s NPI number?
Dr. Robert C. Greenwell Jr.'s NPI number is 1710985148. It was assigned on July 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert C. Greenwell Jr.?
Dr. Robert C. Greenwell Jr. is a nephrologist in Chardon, Ohio. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Robert C. Greenwell Jr. practice?
Dr. Greenwell practices at 150 Seventh Avenue, Chardon, OH 44024. Dr. Greenwell's primary practice is Chardon Surgery Center in Chardon, Ohio.
What is Dr. Robert C. Greenwell Jr.'s office phone number?
The practice phone on file for Dr. Greenwell is (440) 285-2900.
What is Dr. Robert C. Greenwell Jr.'s medical license number?
Dr. Greenwell holds Maryland license D34334.
Does Dr. Robert C. Greenwell Jr. accept Medicare?
Yes. CMS data shows Dr. Greenwell billed Medicare for 105 services in 2023.
What services does Dr. Robert C. Greenwell Jr. bill to Medicare?
In 2023, Dr. Greenwell's most billed Medicare services were office visit, established patient (99214), lab and pathology test (81003) and lab and pathology test (82570).
Where did Dr. Robert C. Greenwell Jr. go to medical school?
Dr. Greenwell graduated from University of Maryland School of Medicine in 1985.
What drugs does Dr. Robert C. Greenwell Jr. prescribe most?
In 2022 Medicare Part D data, Dr. Greenwell's most prescribed drugs by claims were Furosemide, Calcitriol and Losartan Potassium.
Has Dr. Robert C. Greenwell Jr. received payments from drug or device companies?
CMS Open Payments shows $136 in general payments to Dr. Greenwell from 3 companies from 2016 to 2019. The largest total came from Baxter Healthcare.
How long has Dr. Robert C. Greenwell Jr. been practicing?
Dr. Greenwell graduated from medical school in 1985, 41 years ago.
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