Andrea A. Peterson, MD
Internal Medicine Physician · Norwalk, CT
Andrea A. Peterson, MD is an internal medicine physician with a practice address in Norwalk, Connecticut, and NPI 1245200187, issued on Jan 24, 2006. Check the license (Connecticut 040602, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Andrea A. Peterson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 040602 CT
40602 CT
Self-reported in NPPES; status is on the state search - Practice location
- 24 Stevens St, Norwalk, CT 06850
- Phone
- (203) 852-2375
- Enumerated
- Jan 24, 2006
- Record last updated
- Oct 1, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 001406025 CT
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 24 Stevens St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrea A. Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 040602Check 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
137 Medicare Part D claims for 76 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Lorazepam17 claims
- Trazodone Hcl15 claims
- Morphine Sulfate11 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.
Andrea A. Peterson among 2,623 internal medicine physician records in Connecticut
Andrea A. Peterson, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2008 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
79 internal medicine physician records list a practice address in Norwalk
They are 79 of the 1,993 NPPES records with a practice address in Norwalk, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Norwalk → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shaan Bhojwani, M.D.Norwalk, CT 068501821046632
- Joseph Cleary, MDNorwalk, CT 068501285605261
- Satish Gopal, MDNorwalk, CT 068501841260718
- Vasiliki Harisis, M.D.Norwalk, CT 068501184740516
- Anjum Khan, MDNorwalk, CT 068501992775258
- Mark Kulaga, MDNorwalk, CT 068501851361117
- Meenatchi Kumaraguruparan, M.DNorwalk, CT 068501063639656
- Marc Legris, M.D.Norwalk, CT 068501114935723
Common questions
What is Andrea A. Peterson, MD's NPI number?
Andrea A. Peterson, MD's National Provider Identifier (NPI) is 1245200187, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrea A. Peterson, MD located?
The NPPES record lists a practice address at 24 Stevens St, Norwalk, CT, 06850. Phone: (203) 852-2375. Providers update this record themselves, so call before visiting.
How can I verify Andrea A. Peterson, MD's license?
NPPES lists Connecticut license number 040602, 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 Andrea A. Peterson, MD prescribe under Medicare Part D?
In 2024, Andrea A. Peterson, MD had 137 Medicare Part D claims for 76 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.