Shelly Ahn Im, MD
Endocrinology, Diabetes & Metabolism Physician · Greenwich, CT
Shelly Ahn Im, MD is an endocrinology, diabetes & metabolism physician with a practice address in Greenwich, Connecticut, and NPI 1740496470, issued on May 16, 2007. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Shelly Ahn Im
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 238571 NY
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Putnam Ave Ste 435, Greenwich, CT 06830
- Phone
- (475) 335-8692
- Enumerated
- May 16, 2007
- Record last updated
- Oct 17, 2024
- Fax
- (646) 974-9714
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 214 in Connecticut → Look up another NPI →
Also registered at 500 W Putnam Ave Ste 435
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rupal Chhabra, D.O.Internal Medicine Physician1912132796
Verify Shelly Ahn Im in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
3,416 Medicare Part D claims for 382 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Mounjaro205 claims
- Ozempic198 claims
- Jardiance191 claims
- Metformin Hcl187 claims
- Levothyroxine Sodium182 claims
- Metformin Hcl Er164 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.
Industry payments in 2024: $169.35
3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Shelly Ahn Im among 214 endocrinology, diabetes & metabolism physician records in Connecticut
Shelly Ahn Im, MD is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 46% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.
All 214 in Connecticut → Every provider in Greenwich → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Mary Arden-Cordone, M.D.,Greenwich, CT 068301649318585
- Ranee Angeli Lleva, M.D.Greenwich, CT 068301578709143
- Yi-Hao Yu, M.D., PH.D.Greenwich, CT 068301306914957
- Maria Guoth, MDGreenwich, CT 068311356386965
- Michael Duben, M.D.Fairfield, CT 068241972523959
- Anda Gonciulea, M.DFairfield, CT 068241225357056
- John Machledt, MDFairfield, CT 068241154429413
- Lakshmi MahaliFairfield, CT 068241265973515
Common questions
What is Shelly Ahn Im, MD's NPI number?
Shelly Ahn Im, MD's National Provider Identifier (NPI) is 1740496470, issued on May 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Shelly Ahn Im, MD located?
The NPPES record lists a practice address at 500 W Putnam Ave Ste 435, Greenwich, CT, 06830. Phone: (475) 335-8692. Providers update this record themselves, so call before visiting.
How can I verify Shelly Ahn Im, MD's license?
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 Shelly Ahn Im, MD prescribe under Medicare Part D?
In 2024, Shelly Ahn Im, MD had 3,416 Medicare Part D claims for 382 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.