Christienne F. Coates, MD
Ophthalmology Physician · Greenwich, CT
Christienne F. Coates, MD is an ophthalmology physician with a practice address in Greenwich, Connecticut, and NPI 1215937800, issued on Jul 26, 2005. Check the license (Connecticut 043126, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Christienne F. Coates
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 043126 CT
Self-reported in NPPES; status is on the state search - Practice location
- 4 Dearfield Dr, Greenwich, CT 06831
- Phone
- (203) 819-3082
- Enumerated
- Jul 26, 2005
- Record last updated
- Nov 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (203) 869-6453
- Medicare enrollment
- Enrolled (PECOS I20050913000591); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 4 Dearfield Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christienne F. Coates in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 043126Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average ophthalmology physician in 2024
398 Medicare Part D claims for 94 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost211 claims
- Tobramycin-Dexamethasone38 claims
- Timolol Maleate28 claims
- Xiidra24 claims
- Erythromycin14 claims
- Lumigan11 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.
Christienne F. Coates among 336 ophthalmology physician records in Connecticut
Christienne F. Coates, MD is one of 336 ophthalmology physician records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2000 among the 212 with a school on file
- Record last updated2018 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Connecticut
There are 336 ophthalmology physician records in Connecticut.
All 336 in Connecticut → Every provider in Greenwich → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Joseph Conway, MDGreenwich, CT 068311699763623
- Donna Densel, MDGreenwich, CT 068311730187170
- Gina Gladstein, MDGreenwich, CT 068311578561551
- William Potter, MDGreenwich, CT 068311205834645
- Jerry Tsong, M.D.Greenwich, CT 068311760412787
- James Wilson, MDGreenwich, CT 068311851506224
- Omar Shakir, MD MBAGreenwich, CT 068301689934127
- Shelley Driesman, MDFairfield, CT 068251861509994
Common questions
What is Christienne F. Coates, MD's NPI number?
Christienne F. Coates, MD's National Provider Identifier (NPI) is 1215937800, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christienne F. Coates, MD located?
The NPPES record lists a practice address at 4 Dearfield Dr, Greenwich, CT, 06831. Phone: (203) 819-3082. Providers update this record themselves, so call before visiting.
How can I verify Christienne F. Coates, MD's license?
NPPES lists Connecticut license number 043126, 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 Christienne F. Coates, MD prescribe under Medicare Part D?
In 2024, Christienne F. Coates, MD had 398 Medicare Part D claims for 94 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.