Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARVIN ELMER NIELSEN JR. M.D.
NPI 1386613008
Preventive Medicine - Aerospace Medicine in Salisbury, MD

Q: What is Marvin Nielsen's NPI number?

The NPI number for Marvin Nielsen is 1386613008. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Q: What is Marvin Nielsen's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Aerospace Medicine, with taxonomy code 2083A0100X.

Q: When was this NPI record last updated?

The NPPES record for Marvin Nielsen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.

Active since March 15, 2006

918 EASTERN SHORE DR, SALISBURY, MD 21804(410) 749-1124 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About Dr. Marvin Elmer Nielsen Jr. M.d. NPPES

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

DR. MARVIN ELMER NIELSEN JR. M.D. (NPI 1386613008) is an individual aerospace medicine provider in Salisbury, Maryland, licensed in Maryland (D26304) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1386613008

Entity TypeIndividualMale

Primary Taxonomy2083A0100X

Provider Legal NameDR. MARVIN ELMER NIELSEN JR.Credential: M.D.

Location Address918 EASTERN SHORE DRSalisbury, MD 21804-6410

Mailing Address27938 Oaklands CirEaston, MD 21601-8262

Phone(410) 749-1124

Sole ProprietorNo

Enumeration DateMarch 15, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1386613008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Aerospace MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083A0100X

License✔ Licensed in MD · D26304

Definition

Aerospace medicine focuses on the clinical care, research, and operational support of the health, safety, and performance of crewmembers and passengers of air and space vehicles, together with the support personnel who assist operation of such vehicles. This population often works and lives in remote, isolated, extreme, or enclosed environments under conditions of physical and psychological stress. Practitioners strive for an optimal human-machine match in occupational settings rich with environmental hazards and engineering countermeasures.

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License D26304 (MD)

918 EASTERN SHORE DR, Salisbury, MD 21804

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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

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%423 patients

Radiology: Reminder System for Screening Mammograms

Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram

100%62 patients

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.

Other Providers at the Same Location NPPES

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

DR. DAVID NIZZA M.D.

Radiology (Diagnostic Radiology)

918 EASTERN SHORE DR
SALISBURY, MD 21804

Wicomico County (410) 749-1124

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 Marvin Nielsen's NPI number?

The NPI number for Marvin Nielsen is 1386613008. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Where is Marvin Nielsen located?

Marvin Nielsen practices at 918 Eastern Shore Dr, Salisbury, MD 21804. The listed phone number is (410) 749-1124.

What is Marvin Nielsen's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Aerospace Medicine, with taxonomy code 2083A0100X.

When was this NPI record last updated?

The NPPES record for Marvin Nielsen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.