NPPES file of Aug 9, 2026

Donald A. Derolf, MD

Family Medicine Physician · Middletown, RI

Donald A. Derolf, MD is a family medicine physician with a practice address in Middletown, Rhode Island, and NPI 1528065745, issued on Jul 1, 2005. Check the license (Rhode Island MD05292, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528065745
Name
Donald A. Derolf
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD05292 RI
MD 05292 RI
Self-reported in NPPES; status is on the state search
Practice location
321 Vaucluse Ave, Middletown, RI 02842
Phone
(401) 683-8895
Enumerated
Jul 1, 2005
Record last updated
Feb 25, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(401) 849-5780
Medicaid ID
7003354 RI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Donald A. Derolf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD05292
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Rhode Island license search

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2% more Medicare Part D claims than the average family medicine physician in 2024

3,614 Medicare Part D claims for 157 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 176 claims were for opioids.

  1. Donald Derolf3,614
  2. Specialty average3,544

Most prescribed

  1. Furosemide216 claims
  2. Sertraline Hcl205 claims
  3. Atorvastatin Calcium152 claims
  4. Eliquis147 claims
  5. Levothyroxine Sodium147 claims
  6. Amlodipine Besylate113 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Donald A. Derolf among 475 family medicine physician records in Rhode Island

Donald A. Derolf, MD is one of 475 family medicine physician records with a practice address in Rhode Island. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2020 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 family medicine physician records list a practice address in Middletown

They are 8 of the 565 NPPES records with a practice address in Middletown, and 475 family medicine physician records in Rhode Island.

The 8 family medicine physician records with the nearest ZIP codes

  1. Michelle Boyle, MDMiddletown, RI 028421417015496
  2. Robert CarrellasMiddletown, RI 028421417138850
  3. Paul Delguercio, MDMiddletown, RI 028421942298674
  4. Leilani Dimond, M.D.Middletown, RI 028421912317082
  5. Kyung Lee, M. D.,Middletown, RI 028421376642405
  6. Julia Resil, MDMiddletown, RI 028421427639442
  7. Elizabeth Shields, MDMiddletown, RI 028421518525369
  8. Lyla Blake-Gumbs, MDNewport, RI 028411538185384

Common questions

What is Donald A. Derolf, MD's NPI number?

Donald A. Derolf, MD's National Provider Identifier (NPI) is 1528065745, issued on Jul 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Donald A. Derolf, MD located?

The NPPES record lists a practice address at 321 Vaucluse Ave, Middletown, RI, 02842. Phone: (401) 683-8895. Providers update this record themselves, so call before visiting.

How can I verify Donald A. Derolf, MD's license?

NPPES lists Rhode Island license number MD05292, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Donald A. Derolf, MD prescribe under Medicare Part D?

In 2024, Donald A. Derolf, MD had 3,614 Medicare Part D claims for 157 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.