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DANIEL O SOUTHERN MD
NPI 1154346302
Physical Medicine & Rehabilitation - Pain Medicine in Norwalk, CT

Active since July 12, 2006PECOS Enrolled
91 EAST AVE STE 1A, NORWALK, CT 06851(203) 456-5717(203) 445-6184 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 15, 2025, Dec 3, 2025, Jul 27, 2021 and 6 more (9 updates tracked since 2019).

About Daniel O Southern Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DANIEL O SOUTHERN MD (NPI 1154346302) is an individual pain medicine provider in Norwalk, Connecticut, licensed in Connecticut (042845) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Wilton, and is a graduate of State University Of Ny Upstate Medical University (1999).

NPPES Registry Identity

NPI1154346302
Entity TypeIndividualMale
Primary Taxonomy2081P2900X
Provider Legal NameDANIEL O SOUTHERNCredential: MD
Location Address91 EAST AVE STE 1ANorwalk, CT 06851-5020
Mailing Address91 East Ave Ste 1aNorwalk, CT 06851-5020 · (203) 456-5717 · Fax (203) 445-6184
Phone(203) 456-5717
Fax(203) 445-6184
Sole ProprietorNo
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 1999
Enumeration DateJuly 12, 2006
Last NPPES UpdateDecember 15, 20259 updates tracked since enumeration
NPPES CertifiedDecember 15, 2025
✔ NPI 1154346302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPhysical Medicine & Rehabilitation · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081P2900X
License✔ Licensed in CT · 042845
Definition
A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X · License 042845 (CT)
Also ListedPain Medicine · Pain MedicineTaxonomy 208VP0000X · License 042845 (CT)
91 EAST AVE STE 1A, Norwalk, CT 06851
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Secondary Practice Location 1

Location 1195 Danbury Road, Suite B220Wilton, CT 06897 · Phone (203) 456-5717 · Fax (203) 445-6184

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Daniel O Southern Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173505856
PECOS Enrollment IDI20041124000551
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Daniel Southern reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Interventional Orthopedics Ct, P.C
4.8 mi
Pain Medicine
195 DANBURY RD STE B200
Wilton, CT 06897
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Interventional Orthopedics Ct PC
NPI 1134740566 (203) 456-5717

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
75 services44 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
49 services32 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
28 services28 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
12 services11 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
61%237 patients1/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
99%1,664 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
2%50 patients1/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
83%228 patients3/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
36%1,222 patients2/55-star benchmark: 99%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
57%144 patients3/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
25%117 patients2/55-star benchmark: 88%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 93% · 87 patients
95%87 patients
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
13%1,222 patients1/55-star benchmark: 100%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 50 patients
18%50 patients1/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Southern's NPI number?

The NPI number for Daniel Southern is 1154346302. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Daniel Southern located?

Daniel Southern practices at 91 East Ave Ste 1A, Norwalk, CT 06851. The listed phone number is (203) 456-5717.

What is Daniel Southern's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.

Is Daniel Southern enrolled in Medicare?

Yes. Daniel Southern is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Daniel Southern's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Southern reassigns Medicare benefits to Interventional Orthopedics Ct, P.C (Wilton, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Daniel Southern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Southern accept?

Health plans from Anthem Blue Cross and Blue Shield list Daniel Southern as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Daniel Southern was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.