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MICHAEL RYAN OLDENBURG NP
NPI 1659910800
Nurse Practitioner - Critical Care Medicine in Marietta, GA

Active since January 04, 2020PECOS EnrolledAccepts Medicare Assignment
92.93/100
CMS Quality Rating
400 TOWER RD NE STE 200, MARIETTA, GA 30060(770) 422-1372 Get Directions Write a Review

NPPES record last updated: October 5, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 5, 2021, Jan 4, 2020 (2 updates tracked since 2020).

About Michael Ryan Oldenburg Np NPPES

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

MICHAEL RYAN OLDENBURG NP (NPI 1659910800) is an individual critical care medicine provider in Marietta, Georgia, licensed in Georgia (RN259503) and active in the NPI registry since January 2020. He is enrolled in Medicare PECOS, is affiliated with Wellstar Kennestone Regional Medical Center, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1659910800
Entity TypeIndividualMale
Primary Taxonomy363LC0200X
Provider Legal NameMICHAEL RYAN OLDENBURGCredential: NP
Location Address400 TOWER RD NE STE 200Marietta, GA 30060-9412
Mailing Address677 Church St NeMarietta, GA 30060-1101 · (770) 793-5000
Phone(770) 422-1372
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateJanuary 4, 2020
Last NPPES UpdateOctober 5, 20212 updates tracked since enumeration
NPPES CertifiedOctober 5, 2021
✔ NPI 1659910800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LC0200X
License✔ Licensed in GA · RN259503
Also ListedRegistered NurseTaxonomy 163W00000X · License RN259503 (GA)
400 TOWER RD NE STE 200, Marietta, GA 30060
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc..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

Michael Ryan Oldenburg Np 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 ID6608265053
PECOS Enrollment IDI20211105001514
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.

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.
64 services43 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
12 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Wellstar Kennestone Regional Medical Center

Acute Care Hospitals · Marietta, GA
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110035
Location677 Church StreetMarietta, GA 30060 · Cobb County
Emergency services Birthing friendly

Wellstar Cobb Medical Center

Acute Care Hospitals · Austell, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110143
Location3950 Austell RdAustell, GA 30106 · Cobb County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30060 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
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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.

92.93/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.38
Promoting Interoperability100
Improvement Activities40

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.

SARIKA MISHRA NP
Nurse Practitioner (Acute Care)
400 TOWER RD NE STE 200
MARIETTA, GA 30060
Cobb County (770) 422-1372
WILLIAM ZACHARY CAPLAND PA
Physician Assistant
400 TOWER RD NE STE 200
MARIETTA, GA 30060
Cobb County (770) 422-1372
MRS. NINA PRATA N.P.
Nurse Practitioner (Acute Care)
400 TOWER RD NE STE 200
MARIETTA, GA 30060
Cobb County (770) 422-1372
DR. KEVIN CHAPLA M.D.
Internal Medicine (Critical Care Medicine)
400 TOWER RD NE STE 200
MARIETTA, GA 30060
Cobb County (770) 422-1372
KENDRICK RUELO DE CASTRO PA-C
Physician Assistant
400 TOWER RD NE STE 200
MARIETTA, GA 30060
Cobb County (770) 422-1372
MEERA RANGANATHAN MD
Internal Medicine (Pulmonary Disease)
400 TOWER RD NE STE 200
MARIETTA, GA 30060
Cobb County (770) 422-1372
NIKULKUMAR RUPABHAI CHAUDHARI M.D.
Internal Medicine (Critical Care Medicine)
400 TOWER RD NE STE 200
MARIETTA, GA 30060
Cobb County (770) 422-1372
ABSAR AHMAD MIRZA MD
Internal Medicine (Critical Care Medicine)
400 TOWER RD NE STE 200
MARIETTA, GA 30060
Cobb County (770) 422-1372

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 Oldenburg's NPI number?

The NPI number for Michael Oldenburg is 1659910800. It was assigned to this individual provider in the NPPES registry on January 4, 2020.

Where is Michael Oldenburg located?

Michael Oldenburg practices at 400 Tower Rd NE Ste 200, Marietta, GA 30060. The listed phone number is (770) 422-1372.

What is Michael Oldenburg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Is Michael Oldenburg enrolled in Medicare?

Yes. Michael Oldenburg 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 Michael Oldenburg accept?

Health plans from Alliant Health Plans, Inc. list Michael Oldenburg 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 Michael Oldenburg affiliated with any hospitals?

According to CMS data, Michael Oldenburg is affiliated with Wellstar Kennestone Regional Medical Center and Wellstar Cobb Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Oldenburg was last updated on October 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.