DOUGLAS A ZWEMER MD
NPI 1386734184
Surgery in Muskegon, MI

Active since October 13, 2006PECOS EnrolledAccepts Medicare Assignment
1745 HOLTON RD STE C, MUSKEGON, MI 49445(231) 747-9902(855) 761-1953 Get Directions Write a Review

NPPES record last updated: February 5, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Douglas A Zwemer Md NPPES

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

DOUGLAS A ZWEMER MD (NPI 1386734184) is an individual surgery provider in Muskegon, Michigan, licensed in Michigan (D2061383) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and is a graduate of Wayne State University School Of Medicine (1993).

NPPES Registry Identity

NPI1386734184
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDOUGLAS A ZWEMERCredential: MD
Location Address1745 HOLTON RD STE CMuskegon, MI 49445-1453
Mailing Address1745 Holton Rd Ste CMuskegon, MI 49445-1453 · (317) 479-9902 · Fax (855) 761-1953
Fax(855) 761-1953
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1993
Enumeration DateOctober 13, 2006
Last NPPES UpdateFebruary 5, 2020
NPI 1386734184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in MI · D2061383
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1745 HOLTON RD STE C, Muskegon, MI 49445

Other Identifiers 1

Medicaid3453681MI

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

Douglas A Zwemer 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 ID244319234
PECOS Enrollment IDI20080501000547
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.

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.
75 services32 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
22 services22 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.
22 services22 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
17 services14 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.
17 services17 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.
15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Trinity Health Muskegon Hospital

Acute Care Hospitals · Muskegon, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230066
Location1500 E Sherman BlvdMuskegon, MI 49441 · Muskegon County
Emergency services Birthing friendly

Trinity Health Grand Haven Hospital

Acute Care Hospitals · Grand Haven, MI
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number230174
Location1309 Sheldon RdGrand Haven, MI 49417 · Ottawa County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49445 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
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 4

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

Ostomy belt, each A4367
DME-Orthotic Devices · category DF010N
1 supplier12 claims12 services$4.70 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
1 supplier12 claims120 services$7.08 avg. paid by Medicare
Ostomy pouch, drainable; for use on barrier with flange (2 piece system), each A5063
DME-Orthotic Devices · category DF010N
1 supplier12 claims120 services$2.17 avg. paid by Medicare
Skin barrier, wipes or swabs, each A5120
DME-Orthotic Devices · category DF010N
1 supplier12 claims600 services$0.19 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Douglas Zwemer's NPI number?

The NPI number for Douglas Zwemer is 1386734184. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Douglas Zwemer located?

Douglas Zwemer practices at 1745 Holton Rd Ste C, Muskegon, MI 49445. The listed phone number is (231) 747-9902.

What is Douglas Zwemer's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Douglas Zwemer enrolled in Medicare?

Yes. Douglas Zwemer 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 Douglas Zwemer accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and Priority Health list Douglas Zwemer 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 Douglas Zwemer affiliated with any hospitals?

According to CMS data, Douglas Zwemer is affiliated with Trinity Health Muskegon Hospital and Trinity Health Grand Haven Hospital.

When was this NPI record last updated?

The NPPES record for Douglas Zwemer was last updated on February 5, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.