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DR. AUSTIN CHANDLER NICHOLSON M.D.
NPI 1134532450
Internal Medicine - Infectious Disease in Marietta, GA

Active since June 04, 2014PECOS EnrolledAccepts Medicare Assignment
55 WHITCHER ST NE STE 220, MARIETTA, GA 30060(770) 429-0083(770) 425-0137 Get Directions Write a Review

NPPES record last updated: April 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 11, 2025, Dec 14, 2023, May 3, 2019 and 1 more (4 updates tracked since 2017).

About Dr. Austin Chandler Nicholson M.d. NPPES

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

DR. AUSTIN CHANDLER NICHOLSON M.D. (NPI 1134532450) is an individual infectious disease provider in Marietta, Georgia, licensed in Georgia (97689) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Wellstar Kennestone Regional Medical Center, and is a graduate of University Of Mississippi School Of Medicine (2014).

NPPES Registry Identity

NPI1134532450
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. AUSTIN CHANDLER NICHOLSONCredential: M.D.
Location Address55 WHITCHER ST NE STE 220Marietta, GA 30060-1168
Mailing Address55 Whitcher St Ne Ste 220Marietta, GA 30060-1168 · (770) 429-0083 · Fax (770) 425-0137
Phone(770) 429-0083
Fax(770) 425-0137
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2014
Enumeration DateJune 4, 2014
Last NPPES UpdateApril 11, 20254 updates tracked since enumeration
NPPES CertifiedApril 11, 2025
✔ NPI 1134532450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in GA · 97689
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License 25204 (MS), MD60948644 (WA)
Also ListedHospitalistTaxonomy 208M00000X · License MD60948644 (WA), 97689 (GA)
55 WHITCHER ST NE STE 220, Marietta, GA 30060
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health and more.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

Dr. Austin Chandler Nicholson M.d. 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 ID9638443567
PECOS Enrollment IDI20231106001867
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 6

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.
599 services182 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.
168 services160 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
46 services30 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
43 services27 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.
22 services17 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
16 services16 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
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NEHA SUNEET PARANJAPE M.B.B.S, MPH
Internal Medicine (Infectious Disease)
55 WHITCHER ST NE STE 220
MARIETTA, GA 30060
Cobb County (770) 429-0083

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 Austin Nicholson's NPI number?

The NPI number for Austin Nicholson is 1134532450. It was assigned to this individual provider in the NPPES registry on June 4, 2014.

Where is Austin Nicholson located?

Austin Nicholson practices at 55 Whitcher St NE Ste 220, Marietta, GA 30060. The listed phone number is (770) 429-0083.

What is Austin Nicholson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Austin Nicholson enrolled in Medicare?

Yes. Austin Nicholson 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 Austin Nicholson accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list Austin Nicholson 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 Austin Nicholson affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Austin Nicholson was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.