NIELS DOUGLAS MARTIN MD
NPI 1013073477
Surgery - Trauma Surgery in Philadelphia, PA

Active since December 29, 2006PECOS EnrolledAccepts Medicare Assignment
51 N 39TH ST, PHILADELPHIA, PA 19104(215) 349-8310(215) 724-3560 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 21, 2026, Dec 24, 2025, Nov 6, 2019 (3 updates tracked since 2019).

About Niels Douglas Martin Md NPPES

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

NIELS DOUGLAS MARTIN MD (NPI 1013073477) is an individual trauma surgery provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD420992) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (2000).

NPPES Registry Identity

NPI1013073477
Entity TypeIndividualMale
Primary Taxonomy2086S0127X
Provider Legal NameNIELS DOUGLAS MARTINCredential: MD
Location Address51 N 39TH STPhiladelphia, PA 19104-2640
Mailing Address51 N 39th StPhiladelphia, PA 19104-2640 · (215) 349-8310 · Fax (215) 724-3560
Fax(215) 724-3560
Sole ProprietorNo
Medical School CMSRutgers R W Johnson Medical School (cam/new Bruns/pisc)Graduated 2000
Enumeration DateDecember 29, 2006
Last NPPES UpdateMay 21, 20263 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
NPI 1013073477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtySurgery · Trauma SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0127X
License Licensed in PA · MD420992
Definition
Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.
Also ListedSurgeryTaxonomy 208600000X · License MD420992 (PA)
Also ListedSurgery · Surgical Critical CareTaxonomy 2086S0102X · License MD420992 (PA)
51 N 39TH ST, Philadelphia, PA 19104

Other Identifiers 2

Medicaid0125024NJ
Medicaid1018343780005PA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Niels Douglas Martin Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820090665
PECOS Enrollment IDI20070208000153
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.

Areas of Expertise CMS Part B claims 7

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
155 services52 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
38 services21 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
29 services16 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.
18 services18 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
18 services18 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
18 services18 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Chester County Hospital

Acute Care Hospitals · West Chester, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390179
Location701 East Marshall StreetWest Chester, PA 19380 · Chester County
Emergency services Birthing friendly

Penn Presbyterian Medical Center

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390223
Location51 North 39th StreetPhiladelphia, PA 19104 · Philadelphia County
Emergency services

Pennsylvania Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390226
Location800 Spruce StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
51 N 39TH ST
PHILADELPHIA, PA 19104
Urology
51 N 39TH ST, MOB SUITE 300
PHILADELPHIA, PA 19104
Registered Nurse
51 N 39TH ST
PHILADELPHIA, PA 19104
Obstetrics & Gynecology (Gynecology)
51 N 39TH ST, MOB 340
PHILA, PA 19104
Internal Medicine (Cardiovascular Disease)
51 N 39TH ST, PHI BLDG STE 2C PENN PRESBYTERIAN MEDICAL CENTER
PHILADELPHIA, PA 19104
Internal Medicine
51 N 39TH ST
PHILADELPHIA, PA 19104
Family Medicine
51 N 39TH ST
PHILADELPHIA, PA 19104
Nurse Practitioner (Adult Health)
51 N 39TH ST, MEDICAL ARTS BUILDING, SUITE 103
PHILADELPHIA, PA 19104

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 Niels Martin's NPI number?

The NPI number for Niels Martin is 1013073477. It was assigned to this individual provider in the NPPES registry on December 29, 2006.

Where is Niels Martin located?

Niels Martin practices at 51 N 39th St, Philadelphia, PA 19104. The listed phone number is (215) 349-8310.

What is Niels Martin's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.

Is Niels Martin enrolled in Medicare?

Yes. Niels Martin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Niels Martin accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Niels Martin 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.

Is Niels Martin affiliated with any hospitals?

According to CMS data, Niels Martin is affiliated with Hospital Of Univ Of Pennsylvania, Chester County Hospital, Penn Presbyterian Medical Center and Pennsylvania Hospital.

When was this NPI record last updated?

The NPPES record for Niels Martin was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.