Robert Geer Insley, MD
Adult Medicine Physician · Chatham, MA
Robert Geer Insley, MD is an adult medicine physician with a practice address in Chatham, Massachusetts, and NPI 1912095589, issued on Oct 10, 2006. Check the license (Massachusetts 36148, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert Geer Insley
- Credential
- MD
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- 36148 MA
Self-reported in NPPES; status is on the state search - Practice location
- 78 Crowell RD, Chatham, MA 02633
- Phone
- (508) 945-0187
- Enumerated
- Oct 10, 2006
- Record last updated
- Dec 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 2044862 MA
- Entity
- Type 1 · individual
Also registered at 78 Crowell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Menges, LDNNutritionist1497890727
Verify Robert Geer Insley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 36148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1 adult medicine physician records list a practice address in Chatham
They are 1 of the 42 NPPES records with a practice address in Chatham, and 45 adult medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other adult medicine physician records in Massachusetts
- Titilayo Alabi, M.D.Waltham, MA1982824389
- Mohammad Arshad, D.OHarwich, MA1386730158
- Deepa Arya, M.D.Burlington, MA1134190473
- Kaleigh Barker, PA-CPlymouth, MA1164152302
- Laurie BasinaitGreat Barrington, MA1326442203
- Lawrence Bernstein, MDChicopee, MA1093715906
- Steven Bornstein, D.O.Millis, MA1982655759
- Brigida Call, M.D.Quincy, MA1568419356
- Cinthia Coleman Canales, MDLynn, MA1316358005
- Arthur Curtis, MDBoston, MA1770534133
Common questions
What is Robert Geer Insley, MD's NPI number?
Robert Geer Insley, MD's National Provider Identifier (NPI) is 1912095589, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Geer Insley, MD located?
The NPPES record lists a practice address at 78 Crowell RD, Chatham, MA, 02633. Phone: (508) 945-0187. Providers update this record themselves, so call before visiting.
How can I verify Robert Geer Insley, MD's license?
NPPES lists Massachusetts license number 36148, 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.
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.