Charles Sperry Gardner
Psychiatry Physician · Greenwich, CT
Charles Sperry Gardner is a psychiatry physician with a practice address in Greenwich, Connecticut, and NPI 1992010227, issued on Aug 11, 2010. Check the license (Connecticut 027099, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Charles Sperry Gardner
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 027099 CT
Self-reported in NPPES; status is on the state search - Practice location
- 409 Field Point RD, Greenwich, CT 06830
- Phone
- (203) 869-7269
- Enumerated
- Aug 11, 2010
- Record last updated
- Aug 11, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Verify Charles Sperry Gardner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 027099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatry physician in 2024
123 Medicare Part D claims for 18 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Alprazolam15 claims
- Risperidone14 claims
- Zolpidem Tartrate11 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.
Charles Sperry Gardner among 1,174 psychiatry physician records in Connecticut
Charles Sperry Gardner is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 psychiatry physician records list a practice address in Greenwich
They are 21 of the 1,184 NPPES records with a practice address in Greenwich, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Greenwich → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Devra Braun, M. D.Greenwich, CT 068301699894949
- Lucy Flynn, M.D.Greenwich, CT 068301063684470
- Gene Ganz, M.D.Greenwich, CT 068301184645079
- Carolyn Hahn, M.D.Greenwich, CT 068301750543864
- Sidney Hart, M.D.Greenwich, CT 068301467587691
- Wynn Jackson, MDGreenwich, CT 068301194989772
- Antigone Kostas, MDGreenwich, CT 068301669612925
- Keith Lepp, MDGreenwich, CT 068301275574956
Common questions
What is Charles Sperry Gardner's NPI number?
Charles Sperry Gardner's National Provider Identifier (NPI) is 1992010227, issued on Aug 11, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Charles Sperry Gardner located?
The NPPES record lists a practice address at 409 Field Point RD, Greenwich, CT, 06830. Phone: (203) 869-7269. Providers update this record themselves, so call before visiting.
How can I verify Charles Sperry Gardner's license?
NPPES lists Connecticut license number 027099, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles Sperry Gardner prescribe under Medicare Part D?
In 2024, Charles Sperry Gardner had 123 Medicare Part D claims for 18 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.