Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Niels Douglas Martin, MD

Individual provider Surgical Critical Care Physician · NPI 1013073477

Niels Douglas Martin, MD is a Critical Care (Intensivists) in Philadelphia, Pennsylvania. Graduated from Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc) in 2000, 26 years ago. Practices with University of Penn-Medical Group, a 3,401-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
26
Trained at
Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc)
Licensed in
PA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

51 N 39th St
Philadelphia, PA 19104-2640
Phone: (215) 349-8310
Fax: (215) 724-3560
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Trauma Surgery Physician (primary) Taxonomy 2086S0127X · Licence MD420992 (PA)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence MD420992 (PA)
Surgery Physician Taxonomy 208600000X · Licence MD420992 (PA)

Record details

NPI number1013073477
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 29, 2006
Last updated in NPPESMay 21, 2026
Certification dateMay 21, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesGENERAL SURGERY
Medical schoolRUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC)
Graduated 2000 (26 years in practice)
Group practice University Of Penn-Medical Group — 3401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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