MARK E OBRIEN MD
NPI 1841221348
Internal Medicine in Benton Harbor, MI

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
800 M 139, BENTON HARBOR, MI 49022(269) 927-5400(269) 927-5493 Get Directions Write a Review

NPPES record last updated: January 7, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark E Obrien Md NPPES

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

MARK E OBRIEN MD (NPI 1841221348) is an individual internal medicine provider in Benton Harbor, Michigan, licensed in Michigan (4301080677) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Lakeland Hospital, St Joseph, and is a graduate of University Of Michigan Medical School (1984).

NPPES Registry Identity

NPI1841221348
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK E OBRIENCredential: MD
Location Address800 M 139Benton Harbor, MI 49022-3881
Mailing Address50 Industrial Park DriveBangor, MI 49013 · (269) 427-7937 · Fax (269) 427-5180
Fax(269) 927-5493
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1984
Enumeration DateJuly 5, 2006
Last NPPES UpdateJanuary 7, 2013
NPI 1841221348 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 MI · 4301080677
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 ListedPediatricsTaxonomy 208000000X · License 4301080677 (MI)
800 M 139, Benton Harbor, MI 49022

Other Identifiers 3

Medicaid4605349MI
Medicare UPINE18007
Medicare ID-Type Unspecified0H06000042

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

Mark E Obrien 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 ID1355237975
PECOS Enrollment IDI20040223000279
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 2

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.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
128 services65 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
19 services16 patients

Hospital Affiliations CMS Care Compare

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

Lakeland Hospital, St Joseph

Acute Care Hospitals · St Joseph, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230021
Location1234 Napier AvenueSt Joseph, MI 49085 · Berrien County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49022 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers17 claims41 services$5.87 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers12 claims12 services$0.95 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers31 claims31 services$14.74 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier21 claims21 services$3.22 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers31 claims31 services$77.47 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Dental Hygienist
800 M 139
BENTON HARBOR, MI 49022
Dentist
800 M 139
BENTON HARBOR, MI 49022
Nurse Practitioner
800 M 139
BENTON HARBOR, MI 49022
Dental Hygienist
800 M 139
BENTON HARBOR, MI 49022
Nurse Practitioner (Family)
800 M 139
BENTON HARBOR, MI 49022
Pharmacy (Community/Retail Pharmacy)
800 M 139
BENTON HARBOR, MI 49022
Nurse Practitioner (Family)
800 M 139
BENTON HARBOR, MI 49022
Dental Hygienist
800 M 139
BENTON HARBOR, MI 49022

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 Mark Obrien's NPI number?

The NPI number for Mark Obrien is 1841221348. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Mark Obrien located?

Mark Obrien practices at 800 M 139, Benton Harbor, MI 49022. The listed phone number is (269) 927-5400.

What is Mark Obrien's specialty?

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

Is Mark Obrien enrolled in Medicare?

Yes. Mark Obrien 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 Mark Obrien accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list Mark Obrien 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 Mark Obrien affiliated with any hospitals?

According to CMS data, Mark Obrien is affiliated with Lakeland Hospital, St Joseph.

When was this NPI record last updated?

The NPPES record for Mark Obrien was last updated on January 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.