Daniel O. Southern, MD
Pain Medicine (Physical Medicine & Rehabilitation) Physician · Norwalk, CT
Daniel O. Southern, MD is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Norwalk, Connecticut, and NPI 1154346302, issued on Jul 12, 2006. Check the license (Connecticut 042845, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Daniel O. Southern
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
- License number
- 042845 CT
Self-reported in NPPES; status is on the state search - Practice location
- 91 East Ave Ste 1A, Norwalk, CT 06851
- Phone
- (203) 456-5717
- Enumerated
- Jul 12, 2006
- Record last updated
- Dec 15, 2025
- Fax
- (203) 445-6184
- Medicare enrollment
- Enrolled (PECOS I20041124000551); may accept Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 18 in Connecticut → Look up another NPI →
Verify Daniel O. Southern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 042845Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024
159 Medicare Part D claims for 49 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. 55 claims were for opioids.
Most prescribed
- Oxycodone Hcl44 claims
- Gabapentin33 claims
- Diazepam32 claims
- Promethazine Hcl31 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.
Daniel O. Southern among 18 pain medicine (physical medicine & rehabilitation) physician records in Connecticut
Daniel O. Southern, MD is one of 18 pain medicine (physical medicine & rehabilitation) physician records with a practice address in Connecticut. 94% 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, 50% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1999 · median 1999 among the 14 with a school on file
- Record last updated2025 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in Connecticut
There are 18 pain medicine (physical medicine & rehabilitation) physician records in Connecticut.
All 18 in Connecticut → Every provider in Norwalk → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →
The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes
- Caroline Varlotta, DONorwalk, CT 068511508485558
- Kin Tsoi, M.D.Greenwich, CT 068311528117199
- Michael Saffir, MDFairfield, CT 068251407867427
- Perry Perretz, D.O.West Redding, CT 068961699843888
- Arghiris Barbadimos, MDStamford, CT 069021104829415
- Andrew Illig, D.O.Stamford, CT 069021952566580
- Lite Wu, D.O.Stamford, CT 069021609225705
- Yuting Xiong, M.D., PH.D.Stamford, CT 069051447209895
Common questions
What is Daniel O. Southern, MD's NPI number?
Daniel O. Southern, MD's National Provider Identifier (NPI) is 1154346302, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel O. Southern, MD located?
The NPPES record lists a practice address at 91 East Ave Ste 1A, Norwalk, CT, 06851. Phone: (203) 456-5717. Providers update this record themselves, so call before visiting.
How can I verify Daniel O. Southern, MD's license?
NPPES lists Connecticut license number 042845, 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 Daniel O. Southern, MD prescribe under Medicare Part D?
In 2024, Daniel O. Southern, MD had 159 Medicare Part D claims for 49 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. 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.