Douglas Von Herzen, M.D.
Internal Medicine Physician · Providence, RI
Douglas Von Herzen, M.D. is an internal medicine physician with a practice address in Providence, Rhode Island, and NPI 1194132928, issued on Jul 14, 2014. Check the license (Rhode Island MD15730, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Douglas Von Herzen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD15730 RI
LP03193 RI
Self-reported in NPPES; status is on the state search - Practice location
- 825 Chalkstone Ave, Providence, RI 02908
- Phone
- (401) 456-2000
- Enumerated
- Jul 14, 2014
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190307000747); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 825 Chalkstone Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Douglas Von Herzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD15730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,527 Medicare Part D claims for 1,117 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 148 claims were for opioids.
Most prescribed
- Atorvastatin Calcium543 claims
- Lisinopril319 claims
- Amlodipine Besylate302 claims
- Losartan Potassium294 claims
- Rosuvastatin Calcium255 claims
- Levothyroxine Sodium235 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupVentura, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Von Herzen among 1,033 internal medicine physician records in Rhode Island
Douglas Von Herzen, M.D. is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 58% of them.
- NPI issued2014 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2014 · median 2006 among the 590 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
511 internal medicine physician records list a practice address in Providence
They are 511 of the 9,647 NPPES records with a practice address in Providence, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Providence → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeffrey Austerlitz, M.D.Providence, RI 029081356363527
- Dawna Blake, M.D.Providence, RI 029081548285489
- Gwyneth Granton, MDProvidence, RI 029081336132935
- Guang Hu, M.D.Providence, RI 029081598783524
- Laura Magan, MDProvidence, RI 029081962441543
- Thomas O'Toole, M.D.Providence, RI 029081790705739
- Lorna RussellProvidence, RI 029081134140866
- Parviz Shavandy, M.D.Providence, RI 029081841247889
Common questions
What is Douglas Von Herzen, M.D.'s NPI number?
Douglas Von Herzen, M.D.'s National Provider Identifier (NPI) is 1194132928, issued on Jul 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Von Herzen, M.D. located?
The NPPES record lists a practice address at 825 Chalkstone Ave, Providence, RI, 02908. Phone: (401) 456-2000. Providers update this record themselves, so call before visiting.
How can I verify Douglas Von Herzen, M.D.'s license?
NPPES lists Rhode Island license number MD15730, 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 Douglas Von Herzen, M.D. prescribe under Medicare Part D?
In 2024, Douglas Von Herzen, M.D. had 6,527 Medicare Part D claims for 1,117 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.