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MARC B ARMSTRONG M.D.
NPI 1326453556
Internal Medicine in Aberdeen, SD

Active since June 26, 2014PECOS Enrolled
75/100
CMS Quality Rating
305 S STATE ST, ABERDEEN, SD 57401(605) 622-5100(605) 622-4030 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Marc B Armstrong M.d. NPPES

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

MARC B ARMSTRONG M.D. (NPI 1326453556) is an individual internal medicine provider in Aberdeen, South Dakota, licensed in South Dakota (10781) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS and maintains a secondary practice location in Brooksville.

NPPES Registry Identity

NPI1326453556
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARC B ARMSTRONGCredential: M.D.
Location Address305 S STATE STAberdeen, SD 57401-4527
Mailing AddressPo Box 1460Aberdeen, SD 57402-1460 · (605) 622-2876 · Fax (605) 622-2804
Phone(605) 622-5100
Fax(605) 622-4030
Sole ProprietorNo
Enumeration DateJune 26, 2014
Last NPPES UpdateMarch 17, 2018
✔ NPI 1326453556 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in SD · 10781
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License TRN16984 (FL)
305 S STATE ST, Aberdeen, SD 57401
Open in Google Maps ↗

Secondary Practice Location 1

Location 111375 Cortez BlvdBrooksville, FL 34613-5409 · Phone (352) 597-6137

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marc B Armstrong M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
486 services450 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
186 services179 patients
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.
123 services122 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.78 typical visit price
range $55.52 – $167.23
Typical copayment $31.69 (range $13.88 – $41.80)
Most-billed visit code 99204
Established Patient
$97.88 typical visit price
range $18.08 – $137.08
Typical copayment $24.47 (range $4.52 – $34.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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.

JASON GAUER PT
Physical Therapist
305 S STATE ST
ABERDEEN, SD 57401
Brown County (605) 622-5000
AVERA ST. LUKES
Pathology (Clinical Pathology/Laboratory Medicine)
305 S STATE ST
ABERDEEN, SD 57401
Brown County (605) 622-5000
AVERA ST LUKES
Psychiatric Unit
305 S STATE ST
ABERDEEN, SD 57401
Brown County (605) 622-5000
SHANNON M YOUNG OT
Occupational Therapist
305 S STATE ST
ABERDEEN, SD 57401
Brown County (605) 622-5000
KERRI FOSS PT
Physical Therapist
305 S STATE ST
ABERDEEN, SD 57401
Brown County (605) 622-5000
AVERA ST LUKES
Medicare Defined Swing Bed Unit
305 S STATE ST
ABERDEEN, SD 57401
Brown County (605) 622-5000
NICOLE SUMNER
Physical Therapist
305 S STATE ST
ABERDEEN, SD 57401
Brown County (605) 622-5000
SUSAN FAE HOHM R.N., C.N.S
Clinical Nurse Specialist
305 S STATE ST
ABERDEEN, SD 57401
Brown County (605) 622-5587

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 Marc Armstrong's NPI number?

The NPI number for Marc Armstrong is 1326453556. It was assigned to this individual provider in the NPPES registry on June 26, 2014.

Where is Marc Armstrong located?

Marc Armstrong practices at 305 S State St, Aberdeen, SD 57401. The listed phone number is (605) 622-5100.

What is Marc Armstrong's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Marc Armstrong enrolled in Medicare?

Yes. Marc Armstrong is registered in the Medicare PECOS enrollment system.

What insurance does Marc Armstrong accept?

Health plans from Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Marc Armstrong 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 Marc Armstrong was last updated on March 17, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.