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DR. WILLIAM JOHN KNAUS II MD
NPI 1336379288
Surgery - Plastic and Reconstructive Surgery in Johns Creek, GA

Active since July 24, 2009PECOS EnrolledAccepts Medicare Assignment
94.56/100
CMS Quality Rating
6325 HOSPITAL PKWY STE 302, JOHNS CREEK, GA 30097(404) 778-3140 Get Directions Write a Review

NPPES record last updated: September 5, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 5, 2022, Aug 21, 2018, May 22, 2018 and 1 more (4 updates tracked since 2017).

About Dr. William John Knaus Ii Md NPPES

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

DR. WILLIAM JOHN KNAUS II MD (NPI 1336379288) is an individual plastic and reconstructive surgery provider in Johns Creek, Georgia, licensed in Georgia (80481) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and maintains a secondary practice location in Atlanta.

NPPES Registry Identity

NPI1336379288
Entity TypeIndividualMale
Primary Taxonomy2086S0122X
Provider Legal NameDR. WILLIAM JOHN KNAUS IICredential: MD
Location Address6325 HOSPITAL PKWY STE 302Johns Creek, GA 30097-5775
Mailing Address6325 Hospital Pkwy Ste 302Johns Creek, GA 30097-5775 · (404) 778-3140
Phone(404) 778-3140
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2009
Enumeration DateJuly 24, 2009
Last NPPES UpdateSeptember 5, 20224 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2022
✔ NPI 1336379288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Plastic and Reconstructive SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0122X
License✔ Licensed in GA · 80481
Definition
A surgeon who specializes in plastic and reconstructive surgery.
6325 HOSPITAL PKWY STE 302, Johns Creek, GA 30097
Open in Google Maps ↗

Secondary Practice Location 1

Location 169 Jesse Hill Jr Dr SEAtlanta, GA 30303 · Phone (404) 251-8812

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Oscar Health, Taro Health.Insurance ›

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. William John Knaus Ii 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 ID244502839
PECOS Enrollment IDI20181101003428
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

2

Medicare enrollment records show William Knaus reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Emory Clinic Inc
21 mi
Internal Medicine
1365 CLIFTON RD NE
Atlanta, GA 30322
  • Reassigned Medicare billing, Georgia enrollment
  • 4,840 clinicians in this Medicare group
NPI 1396798229 (404) 778-2144
Emory Medical Care Foundation Inc
24 mi
Internal Medicine
80 JESSE HILL JR DRIVE, EMCF
Atlanta, GA 30303
  • Reassigned Medicare billing, Georgia enrollment
  • 2,681 clinicians in this Medicare group
NPI 1063452381 (404) 778-7717

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 11

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
148 services40 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
64 services64 patients
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.
57 services38 patients
X-ray of hand, minimum of 3 views 73130
An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.
53 services49 patients
Injection into tendon or ligament 20550
An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.
45 services28 patients
X-ray of wrist, minimum of 3 views 73110
An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.
36 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Grady Memorial Hospital

Acute Care Hospitals · Atlanta, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110079
Location80 Jesse Hill, Jr Drive SEAtlanta, GA 30303 · Fulton County
Emergency services Birthing friendly

Emory Johns Creek Hospital

Acute Care Hospitals · Johns Creek, GA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number110230
Location6325 Hospital ParkwayJohns Creek, GA 30097 · Gwinnett County
Emergency services Birthing friendly

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.

94.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.49
Promoting Interoperability100
Improvement Activities40
Cost75.54

Referred Medical Equipment & Supplies CMS DME claims

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

Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf L3908
DME-Orthotic Devices · category DF000N
1 supplier13 claims13 services$38.79 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 William Knaus's NPI number?

The NPI number for William Knaus is 1336379288. It was assigned to this individual provider in the NPPES registry on July 24, 2009.

Where is William Knaus located?

William Knaus practices at 6325 Hospital Pkwy Ste 302, Johns Creek, GA 30097. The listed phone number is (404) 778-3140.

What is William Knaus's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.

Is William Knaus enrolled in Medicare?

Yes. William Knaus 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 William Knaus's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Knaus reassigns Medicare benefits to 2 organizations: The Emory Clinic Inc (Atlanta, GA) and Emory Medical Care Foundation Inc (Atlanta, GA). 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 William Knaus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Knaus accept?

Health plans from Ambetter Health, Oscar Health and Taro Health list William Knaus 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 William Knaus affiliated with any hospitals?

According to CMS data, William Knaus is affiliated with Grady Memorial Hospital and Emory Johns Creek Hospital.

When was this NPI record last updated?

The NPPES record for William Knaus was last updated on September 5, 2022. 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.