Robert S. Warren, MD
Hospice and Palliative Medicine (Family Medicine) Physician · Danvers, MA
Robert S. Warren, MD is a hospice and palliative medicine (family medicine) physician with a practice address in Danvers, Massachusetts, and NPI 1336181270, issued on Jun 12, 2006. Check the license (Massachusetts 161223, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert S. Warren
- Credential
- MD
- Primary taxonomy
- Hospice and Palliative Medicine (Family Medicine) Physician 207QH0002X
- License number
- 161223 MA
Self-reported in NPPES; status is on the state search - Practice location
- 75 Sylvan St, Danvers, MA 01923
- Phone
- (978) 774-7566
- Enumerated
- Jun 12, 2006
- Record last updated
- Oct 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (781) 373-6690
- Medicaid ID
- 0018239800004 PA
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (family medicine) physician records → All 19 in Massachusetts → Look up another NPI →
Also registered at 75 Sylvan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tun AungAdult Health Nurse Practitioner1083367775
- Emily BarkerChild & Adolescent Psychiatric/Mental Health Registered Nurse1396593612
- Christine Booth, ARNPNurse Practitioner1649293911
- Jacob Fournier, M.S.Mental Health Counselor1366078974
- Megan Glassberg, LICSWClinical Social Worker1982170247
- Albeyri GonzalezMental Health Counselor1184509671
Verify Robert S. Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 161223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average hospice and palliative medicine (family medicine) physician in 2024
11 Medicare Part D claims, against an average of 1,129 among the 731 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Robert S. Warren among 19 hospice and palliative medicine (family medicine) physician records in Massachusetts
Robert S. Warren, MD is one of 19 hospice and palliative medicine (family medicine) physician records with a practice address in Massachusetts. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 63% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2016 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QH0002X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Family Medicine) Physician providers in Massachusetts
There are 19 hospice and palliative medicine (family medicine) physician records in Massachusetts.
All 19 in Massachusetts → Every provider in Danvers → Hospice and Palliative Medicine (Family Medicine) Physician nationwide →
The 8 hospice and palliative medicine (family medicine) physician records with the nearest ZIP codes
- Anna Chon, M.D.Danvers, MA 019231578982518
- Stephanie Patel, MDDanvers, MA 019231609840461
- Himanshu Malhotra, DOBurlington, MA 018051700314424
- Michael Eizyk, MDBoston, MA 021111013572684
- Victor Wan, MDBoston, MA 021111013545904
- Eric Krakauer, MDBoston, MA 021141649251000
- Anna Rayne, MDBoston, MA 021141508359837
- Mark Stoltenberg, M.D., M.A.Boston, MA 021141114280310
Common questions
What is Robert S. Warren, MD's NPI number?
Robert S. Warren, MD's National Provider Identifier (NPI) is 1336181270, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert S. Warren, MD located?
The NPPES record lists a practice address at 75 Sylvan St, Danvers, MA, 01923. Phone: (978) 774-7566. Providers update this record themselves, so call before visiting.
How can I verify Robert S. Warren, MD's license?
NPPES lists Massachusetts license number 161223, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert S. Warren, MD prescribe under Medicare Part D?
In 2024, Robert S. Warren, MD had 11 Medicare Part D claims; the average among hospice and palliative medicine (family medicine) physician prescribers was 1,129. 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.