Cynthia J. Geyer, M.D.
Internal Medicine Physician · Lenox, MA
Cynthia J. Geyer, M.D. is an internal medicine physician with a practice address in Lenox, Massachusetts, and NPI 1235144528, issued on Jul 29, 2006. Check the license (Massachusetts 74877, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Cynthia J. Geyer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 74877 MA
Self-reported in NPPES; status is on the state search - Practice location
- 165 Kemble St, Lenox, MA 01240
- Phone
- (413) 637-4100
- Enumerated
- Jul 29, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 165 Kemble St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cornelia Lenherr, MDFamily Medicine Physician1508936691
- Todd LepineInternal Medicine Physician1225090079
- Melanie Masdea-Dignum, MSW, ACHTClinical Social Worker1497237515
Verify Cynthia J. Geyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 74877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
127 Medicare Part D claims for 25 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.
Most prescribed
- Rosuvastatin Calcium21 claims
- Levothyroxine Sodium20 claims
- Metformin Hcl Er16 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.
Cynthia J. Geyer among 6,825 internal medicine physician records in Massachusetts
Cynthia J. Geyer, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Lenox
They are 8 of the 120 NPPES records with a practice address in Lenox, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Lenox → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nada Esa, MDLenox, MA 012401558713065
- John Hickey, MDLenox, MA 012401649217423
- Terra Lampiasi, D.O.Lenox, MA 012401417397803
- Todd LepineLenox, MA 012401225090079
- Mark Liponis, M.D.Lenox, MA 012401679616452
- Amanda Staples Opperman, DOLenox, MA 012401265745350
- Terry Weaver, M.D.Lenox, MA 012401831390129
- Stephanie Shapiro, M.D.Cambridge, MA 012391487693487
Common questions
What is Cynthia J. Geyer, M.D.'s NPI number?
Cynthia J. Geyer, M.D.'s National Provider Identifier (NPI) is 1235144528, issued on Jul 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia J. Geyer, M.D. located?
The NPPES record lists a practice address at 165 Kemble St, Lenox, MA, 01240. Phone: (413) 637-4100. Providers update this record themselves, so call before visiting.
How can I verify Cynthia J. Geyer, M.D.'s license?
NPPES lists Massachusetts license number 74877, 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 Cynthia J. Geyer, M.D. prescribe under Medicare Part D?
In 2024, Cynthia J. Geyer, M.D. had 127 Medicare Part D claims for 25 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.