Active NPI 1548268907 Individual Practitioner Male Practitioner

Dr. Darrell Loren Southern , MD

Allergy & Immunology • Skillman, NJ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Darrell Southern, MD is a certified Allergy & Immunology practicing in Skillman, NJ. With approximately 55 years of clinical experience since graduating from Columbia University College Of Physicians And Surgeons in 1971, Dr. Southern delivers high-quality medical care to the local community at 24 VREELAND DR.

Dr. Southern is affiliated with Princeton Allergy And Asthma Associates, Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, professional service for multiple injections of allergen, test to measure expiratory airflow and volume. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

24 Vreeland Dr

Skillman, NJ 085582621

Telephone 6099212202

Fax 6099241468

Associated Practice Facility / Clinic

🏢 Princeton Allergy & Asthma Associates, Pa Facility NPI 1477641660

Medicare Profile & Education

Medical School

Columbia University College Of Physicians And Surgeons

Graduation Year

1971

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Allergy & Immunology in Skillman, NJ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

55 Yrs +25.7 yrs vs City Avg

City Avg: 29.3 Yrs

State Avg: 31.1 Yrs

Regional Practice Density

8 Specialists

Practicing in Skillman, NJ (141 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

37.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Southern (55 Years) 55 Yrs

Skillman Specialty Average (29.3 Years) 29.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	79	49	$110.00	$97.04
95117 Professional service for multiple injections of allergen	33	11	$43.00	$14.11
94010 Test to measure expiratory airflow and volume	23	22	$75.00	$30.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95117 Professional service for multiple injections of allergen	93	21	$43.00	$13.30
99213 Established patient office or other outpatient visit, typically 15 minutes	84	54	$110.00	$96.83
94010 Test to measure expiratory airflow and volume	28	28	$75.00	$29.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95117 Professional service for multiple injections of allergen	91	19	$43.00	$13.30
99213 Established patient office or other outpatient visit, typically 15 minutes	89	60	$110.00	$99.29
94010 Test to measure expiratory airflow and volume	21	20	$75.00	$29.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	43	32	$110.00	$100.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	70	50	$110.00	$81.10
94010 Test to measure expiratory airflow and volume	17	16	$75.00	$36.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	122	71	$110.00	$80.02
95117 Professional service for multiple injections of allergen	70	17	$43.00	$12.19
94010 Test to measure expiratory airflow and volume	18	18	$75.00	$38.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$195.00	$111.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	12	$165.00	$118.09
95012 Test to measure the level of nitric oxide gas	12	11	$36.00	$23.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	128	81	$110.00	$74.95
95117 Professional service for multiple injections of allergen	57	17	$42.16	$11.18
95115 Injection of incremental dosages of allergen	47	11	$35.00	$9.76
94010 Test to measure expiratory airflow and volume	30	30	$75.00	$39.12
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$193.33	$103.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	144	81	$110.00	$74.95
95117 Professional service for multiple injections of allergen	41	15	$40.00	$11.26
94010 Test to measure expiratory airflow and volume	32	32	$75.00	$38.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	19	$155.00	$111.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$175.00	$111.93

Medical Specialties & State Licenses

Allergy & Immunology Primary Specialty

NUCC Taxonomy Code: 207K00000X

State License NJ MA31265

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3856305 (NJ)

Hospital & Practice Group Affiliations

Princeton Allergy And Asthma Associates, Pa

24 Vreeland Dr, Skillman, NJ 085582621

Phone: 6099212202

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners

Dr. Andrew Pedinoff , MD

Allergy & Immunology

NPI 1033116801

Doctor of Medicine (M.D.)

Dr. Kristen Sikorski , MD

Allergy & Immunology

NPI 1194722991

Doctor of Medicine (M.D.)

Dr. Adam Pearlstein , DO

Allergy & Immunology

NPI 1356960587

Doctor of Osteopathic Medicine (D.O.)

Dr. Julie Caucino , DO

Allergy & Immunology

NPI 1366449142

Doctor of Osteopathic Medicine (D.O.)

Dr. Jayanti Rao , MD

Allergy & Immunology

NPI 1528146669

Doctor of Medicine (M.D.)

Dr. Shaili Shah , MD

Allergy & Immunology

NPI 1730408048

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active August 20, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location August 20, 2014

Registered at 24 VREELAND DR, SKILLMAN, NJ 085582621 (Tel: 6099212202)

📍

Updated Business Mailing Address August 20, 2014

Registered at 24 VREELAND DR, SKILLMAN, NJ 085582621 (Tel: 6099212202)

👤

Provider Name / Credentials Updated August 20, 2014

Recorded as DARRELL SOUTHERN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 20, 2014

Allergy & Immunology (License #MA31265 in NJ)

🟢

Initial NPI Registration & Enumeration July 11, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1548268907

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 11, 2005

Last Update: March 07, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

24 Vreeland Dr

Skillman, NJ 085582621

Phone: 6099212202

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.