Keith Douglas Warren
Registered Nurse · Maynard, MA
Keith Douglas Warren is a registered nurse with a practice address in Maynard, Massachusetts, and NPI 1528661345, issued on Nov 17, 2020. Check the license (Massachusetts RN168944, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Keith Douglas Warren
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- RN168944 MA
Self-reported in NPPES; status is on the state search - Practice location
- 15 Waltham St, Maynard, MA 01754
- Phone
- (617) 461-7329
- Enumerated
- Nov 17, 2020
- Record last updated
- Nov 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Keith Douglas Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN168944Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3 registered nurse records list a practice address in Maynard
They are 3 of the 109 NPPES records with a practice address in Maynard, and 4,985 registered nurse records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3 in Maynard → All 4,985 in Massachusetts → Every provider in Maynard →
Other registered nurse records in Massachusetts
- Sabrina AbanoorBoston, MA1215818745
- Jennifer Abazorius, RNFitchburg, MA1467294462
- Kobina Abban-Saah, RNWest Roxbury, MA1770873309
- Adanesh AbbayCambridge, MA1639993652
- Naheelah Abdullah, RNQuincy, MA1124848015
- Mutawakilu Abdulsalam, RNWestford, MA1598249740
- Andrea Aberdale-SmithSpringfield, MA1871463885
- Brenda Abongwa, NURSEWhitinsville, MA1144951815
- Udo Abraham, RNBrockton, MA1265170120
- Nadzeya AbramovichAshland, MA1790673911
Common questions
What is Keith Douglas Warren's NPI number?
Keith Douglas Warren's National Provider Identifier (NPI) is 1528661345, issued on Nov 17, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Keith Douglas Warren located?
The NPPES record lists a practice address at 15 Waltham St, Maynard, MA, 01754. Phone: (617) 461-7329. Providers update this record themselves, so call before visiting.
How can I verify Keith Douglas Warren's license?
NPPES lists Massachusetts license number RN168944, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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. 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.