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

DR. MICHAEL ADAM BERGEN MD
NPI 1134786346
Orthopaedic Surgery in Acworth, GA

Active since May 22, 2019PECOS EnrolledAccepts Medicare Assignment
3545 COBB PKWY NW STE 200, ACWORTH, GA 30012(770) 415-5282(770) 415-3652 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 11, 2026, May 22, 2019 (2 updates tracked since 2019).

About Dr. Michael Adam Bergen Md NPPES

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

DR. MICHAEL ADAM BERGEN MD (NPI 1134786346) is an individual orthopaedic surgery provider in Acworth, Georgia, licensed in Georgia (111268) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (2019).

NPPES Registry Identity

NPI1134786346
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. MICHAEL ADAM BERGENCredential: MD
Location Address3545 COBB PKWY NW STE 200Acworth, GA 30012
Mailing Address275 Interstate North Cir Se Ste 500Atlanta, GA 30339-2565
Phone(770) 415-5282
Fax(770) 415-3652
Sole ProprietorYes
Medical School CMSDuke University School Of MedicineGraduated 2019
Enumeration DateMay 22, 2019
Last NPPES UpdateSeptember 11, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
✔ NPI 1134786346 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in GA · 111268
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
3545 COBB PKWY NW STE 200, Acworth, GA 30012
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael Adam Bergen 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 ID4688907868
PECOS Enrollment IDI20250611003710
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Michael Bergen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthoatlanta, LLC
9.8 mi
Orthopaedic Surgery
620 CHEROKEE ST NE STE 300
Marietta, GA 30060
  • Reassigned Medicare billing, Georgia enrollment
  • 168 clinicians in this Medicare group
NPI 1720350747 (770) 635-1812
Piedmont Orthopedics, LLC
23 mi
Orthopaedic Surgery
105 COLLIER RD NW STE 2000
Atlanta, GA 30309
  • Reassigned Medicare billing, Georgia enrollment
  • 183 clinicians in this Medicare group
NPI 1114317062 (404) 352-1053
University Orthopedics, Inc.
901 mi
Orthopaedic Surgery
2 DUDLEY ST STE 200
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 222 clinicians in this Medicare group
NPI 1235181041 (401) 457-1500
Regents Of The University Of California
1,927 mi
Orthopaedic Surgery
6815 NOBLE AVE
Van Nuys, CA 91405
  • Reassigned Medicare billing, California enrollment
  • 128 clinicians in this Medicare group
NPI 1336615988 (818) 616-8023

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
40 services28 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.
32 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30012 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
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
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.

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 Michael Bergen's NPI number?

The NPI number for Michael Bergen is 1134786346. It was assigned to this individual provider in the NPPES registry on May 22, 2019.

Where is Michael Bergen located?

Michael Bergen practices at 3545 Cobb Pkwy NW Ste 200, Acworth, GA 30012. The listed phone number is (770) 415-5282.

What is Michael Bergen's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Michael Bergen enrolled in Medicare?

Yes. Michael Bergen 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.

Which organizations bill Medicare for Michael Bergen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Bergen reassigns Medicare benefits to 4 organizations: Orthoatlanta, LLC (Marietta, GA), Piedmont Orthopedics, LLC (Atlanta, GA), University Orthopedics, Inc. (Providence, RI) and Regents Of The University Of California (Van Nuys, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Bergen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Bergen was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.