Dr. David Ivan Greenfield, MD
- Medicare services, 2024
- 1,955
- Medicare patients, 2024
- 295
- Part D claims, 2024
- 1,936
- MIPS score, 2024
- 49
- Hospital affiliations
- 1
- Practice address
- 333 S Tamiami Trl, Venice, FL 34285
- Practice phone
- Call (941) 375-3006
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Restore Medical Partners
Venice, Florida
Find Dr. Greenfield'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. David Ivan Greenfield is a rheumatologist in Venice, Florida
Dr. Greenfield practices at Restore Medical Partners in Venice, Florida.
Dr. Greenfield's NPI, 1669415253, was assigned on June 13, 2006. Dr. Greenfield holds Florida license ME0046436.
- NPI
- 1669415253NPI Registry (opens in a new tab)
- NPI enumeration date
- June 13, 2006
- NPI status
- Active
- Practice phone
- (941) 375-3006
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David Ivan Greenfield practices at Restore Medical Partners in Venice, Florida
Dr. Greenfield's primary practice is Restore Medical Partners, at 333 S Tamiami Trl, Venice, FL 34285 in Sarasota County. The practice phone is (941) 375-3006.
- Restore Medical Partners333 S Tamiami Trl, Venice, FL 34285 · Sarasota CountyPhone(941) 375-3006
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Ivan Greenfield is affiliated with 3 sites of care and 1 medical group
Dr. Greenfield's primary practice is Restore Medical Partners in Venice, Florida. Dr. Greenfield is also affiliated with Sarasota Memorial Hospital - Sarasota Campus. The medical group on file is Restore Medical Partners. Dmand AI also links Dr. Greenfield to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Ivan Greenfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenfield practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Restore Medical Partners | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Ivan Greenfield is one of 465 rheumatologists in Florida
Rheumatology is Dr. Greenfield's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Greenfield is licensed in Florida.
Specialties and state licenses
- Rheumatology, FloridaPrimary
Rheumatologists near Dr. Greenfield
Counts of rheumatologists 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. David Ivan Greenfield billed Medicare for 1,955 services in 2024
CMS data shows 1,955 Medicare services from Dr. Greenfield across 9 procedure codes in 2024, for 295 Medicare patients. Medicare paid $73,749 for them. Every service was in an office.
Dr. Greenfield's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4,5612024: 1,02078%
- Office and hospital visits
- 2023: 6232024: 52815%
- Other services
- 2023: 02024: 390
- Tests and treatments
- 2023: 1422024: 1788%
Dr. Greenfield compared with the Florida median for rheumatologists, 2024
- Dr. Greenfield
- Florida median
- Medicare services
- 1,955vs 3,46744% below
- Medicare patients
- 295vs 3198% below
- Part D claims
- 1,747vs 1,45620% above
Medians across 447 rheumatologists in Florida with Dmand AI profiles that report each measure.
Dr. Greenfield'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Ivan Greenfield treated 295 Medicare patients in 2024, average age 75
CMS counts 295 Medicare patients who saw Dr. Greenfield in 2024. The largest group is 65 to 74, with 120 patients. 75% of them have arthritis, and 75% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.62, 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. Greenfield's median patient age at 73, with 69% women.
Dr. Greenfield's Medicare patients by age, 2024
Dr. Greenfield's Medicare patients by sex, 2024
- Women20971%
- Men8629%
Chronic conditions among Dr. Greenfield's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Osteoporosis44%
- Mood disorders37%
- Depression35%
- Ischemic heart disease34%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greenfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Ivan Greenfield wrote 1,936 Medicare Part D claims in 2024
In 2024, Dr. Greenfield wrote 1,936 Medicare Part D claims for 363 patients. 79% of them were for generic drugs. CMS names the drug for 1,747 of them, across 27 drugs with 11 or more claims each, at $1,905,666 in total drug cost. In 2023, CMS named 1,467 claims across 24 drugs.
Dr. Greenfield's Part D claims by kind of drug, 2024
- Generic1,531 claims79%
- Brand-name375 claims19%
- Other30 claims2%
Dr. Greenfield'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.
Drug classes CMS tracks in Dr. Greenfield's Part D claims, 2024
- Opioids2%39 of 1,936 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,4672024: 1,74719%
Drugs named by CMS: 27 in 2024, 24 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
Dr. David Ivan Greenfield scored 49 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 49 out of 100 for Dr. Greenfield for performance year 2024, reported as part of a group.
Dr. Greenfield's MIPS scores, performance year 2024
- 49of 100Final score
- 0of 100Quality
- 100of 100Promoting Interoperability
- 0of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. David Ivan Greenfield received $7,452 in industry payments from 2016 to 2025
CMS Open Payments shows 396 general payments to Dr. Greenfield from 44 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $1,771.
General payments to Dr. Greenfield by program year, 2016 to 2025
General payments to Dr. Greenfield by kind, 2016 to 2025
- Food and beverage$7,29598%
- Education$1572%
Companies that paid Dr. Greenfield the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Ivan Greenfield'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 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. David Ivan Greenfield
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. David Ivan Greenfield's NPI number?
Dr. David Ivan Greenfield's NPI number is 1669415253. It was assigned on June 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Ivan Greenfield?
Dr. David Ivan Greenfield is a rheumatologist in Venice, Florida. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. David Ivan Greenfield practice?
Dr. Greenfield practices at 333 S Tamiami Trl, Venice, FL 34285. Dr. Greenfield's primary practice is Restore Medical Partners in Venice, Florida. Dmand AI also links Dr. Greenfield to 1 group practice or clinic.
What is Dr. David Ivan Greenfield's office phone number?
The practice phone on file for Dr. Greenfield is (941) 375-3006.
What is Dr. David Ivan Greenfield's medical license number?
Dr. Greenfield holds Florida license ME0046436.
Which hospitals is Dr. David Ivan Greenfield affiliated with?
Dr. Greenfield is affiliated with Sarasota Memorial Hospital - Sarasota Campus.
What medical group is Dr. David Ivan Greenfield part of?
Dr. Greenfield is linked to Restore Medical Partners.
Does Dr. David Ivan Greenfield accept Medicare?
Yes. CMS data shows Dr. Greenfield billed Medicare for 1,955 services in 2024.
What is Dr. David Ivan Greenfield's MIPS score?
Dr. Greenfield's MIPS final score for performance year 2024 is 49 out of 100, reported as part of a group.
How many Medicare patients does Dr. David Ivan Greenfield see?
CMS counts 295 Medicare patients who saw Dr. Greenfield in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. David Ivan Greenfield bill to Medicare?
In 2024, Dr. Greenfield's most billed Medicare services were injected or infused drug (J0897), medicare service (G2211) and office visit, established patient (99214).
What drugs does Dr. David Ivan Greenfield prescribe most?
In 2024 Medicare Part D data, Dr. Greenfield's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Methotrexate.
Has Dr. David Ivan Greenfield received payments from drug or device companies?
CMS Open Payments shows $7,452 in general payments to Dr. Greenfield from 44 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. David Ivan Greenfield been practicing?
Dr. Greenfield graduated from medical school in 1980, 46 years ago.
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