Doctor profile · Federal record

Dr. Michael Oldenburg, NP

Critical Care Medicine Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Marietta, GA

  • NPI 1659910800
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 Tower RD Ne Ste 200
Marietta, GA 300609412
(770) 422-1372
Mailing address
677 Church St Ne
Marietta, GA 300601101

Credentials & registration

NPPES · NUCC
NPI registered
January 2020 — 6 yrs on file
Profile last updated
October 5, 2021
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LC0200X — NUCC code
State license (1)
Georgia #RN259503

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659910800. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
56
Distinct HCPCS
3
Medicare allowed
$6,066
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 27 24 $179
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 17 15 $64
76937 Ultrasonic guidance for blood vessel access 12 11 $12

In context: peer comparison

Among 4 peers in this city , average services per provider: 22. This provider delivers 2.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Oldenburg's medical specialty?
Dr. Michael Oldenburg practices Critical Care Medicine Nurse Practitioner in Marietta, GA.
Where does Dr. Michael Oldenburg practice?
Dr. Michael Oldenburg practices at 400 Tower RD Ne Ste 200, Marietta, GA 300609412. Office phone: 7704221372.
What is Dr. Michael Oldenburg's NPI?
Dr. Michael Oldenburg's National Provider Identifier (NPI) is 1659910800, issued by NPPES.
Does Dr. Michael Oldenburg accept Medicare assignment?
Yes. Dr. Michael Oldenburg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Oldenburg commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556); Ultrasonic guidance for blood vessel access (HCPCS 76937). Source: CMS Medicare Physician & Other Practitioners file.