NPPES file of Aug 9, 2026

Catherine Tinker Bittinger, PA-C

Medical Physician Assistant · Austell, GA

Catherine Tinker Bittinger, PA-C is a medical physician assistant with a practice address in Austell, Georgia, and NPI 1174004113, issued on Aug 28, 2018. Check the license (Georgia 8981, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174004113
Name
Catherine Tinker Bittinger
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
8981 GA
Self-reported in NPPES; status is on the state search
Practice location
1700 Hospital South Dr Ste 300, Austell, GA 30106
Phone
(770) 944-2830
Enumerated
Aug 28, 2018
Record last updated
Mar 30, 2022
Fax
(678) 581-7170
Medicare enrollment
Enrolled (PECOS I20181017000315); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1700 Hospital South Dr Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sujatha Hariharan, MDHematology & Oncology Physician1326003872
  2. Kamal Mandalapu, M.D.Hematology & Oncology Physician1689817041
  3. Carlos Osmon, MDHematology & Oncology Physician1225033640
  4. Elizabeth Rambo, PA-CPhysician Assistant1912991464
  5. Alli Replogle, PA-CPhysician Assistant1194314443
  6. Lauren Snyder, PA-CMedical Physician Assistant1013568104

Verify Catherine Tinker Bittinger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Georgia board licenses this profession
    Search for license 8981
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Georgia license search

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65% fewer Medicare Part D claims than the average medical physician assistant in 2024

402 Medicare Part D claims for 136 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Catherine Bittinger402
  2. Specialty average1,148

Most prescribed

  1. Eliquis50 claims
  2. Letrozole29 claims
  3. Hydroxyurea28 claims
  4. Xarelto27 claims
  5. Anastrozole25 claims
  6. Tamoxifen Citrate24 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 92.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,192.80

58 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Bittinger$1,192.80
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Wellstar Medical Group LLCAustell, GA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

22 medical physician assistant records list a practice address in Austell

They are 22 of the 1,056 NPPES records with a practice address in Austell, and 1,302 medical physician assistant records in Georgia.

Other medical physician assistant records in Georgia

  1. John Aaron, PAAlpharetta, GA1356650139
  2. Natalia Abazeri, PA-CStockbridge, GA1174904106
  3. Aisha Abdullahi, PA-CAtlanta, GA1063198463
  4. Daryl Abney, PAS-CMarietta, GA1578532016
  5. David Abney, PABraselton, GA1891102703
  6. Taylor Abu-Alrub, PA-CGainesville, GA1881192870
  7. Anna Adams, P.A.Atlanta, GA1407949209
  8. Marylyn Adamski, PA-CAtlanta, GA1366570269
  9. Kelly Agnone, PA-CAtlanta, GA1841730561
  10. Monica Agrawal, PA-CMarietta, GA1306224779

Common questions

What is Catherine Tinker Bittinger, PA-C's NPI number?

Catherine Tinker Bittinger, PA-C's National Provider Identifier (NPI) is 1174004113, issued on Aug 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Tinker Bittinger, PA-C located?

The NPPES record lists a practice address at 1700 Hospital South Dr Ste 300, Austell, GA, 30106. Phone: (770) 944-2830. Providers update this record themselves, so call before visiting.

How can I verify Catherine Tinker Bittinger, PA-C's license?

NPPES lists Georgia license number 8981, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.

How much does Catherine Tinker Bittinger, PA-C prescribe under Medicare Part D?

In 2024, Catherine Tinker Bittinger, PA-C had 402 Medicare Part D claims for 136 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Catherine Tinker Bittinger, PA-C's MIPS final score?

The 2023 MIPS final score is 92.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.