Tammy Sims Davis, PA-C
Physician Assistant · Jackson, MS
Tammy Sims Davis, PA-C is a physician assistant with a practice address in Jackson, Mississippi, and NPI 1184081234, issued on Jan 20, 2016. Check the license (Mississippi PA00264, as entered in NPPES) with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tammy Sims Davis
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA00264 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1190 N State St, Jackson, MS 39202
- Phone
- (601) 944-1781
- Enumerated
- Jan 20, 2016
- Record last updated
- Jan 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (601) 353-0439
- Medicare enrollment
- Enrolled (PECOS I20160425001644); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1190 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Boothe, RN, BSNRegistered Nurse1376940130
- Jarrod BryantPhysical Therapist1720453145
- Hayden Cagle, M.D.Student in an Organized Health Care Education/Training Program1205622156
- Christy Davis, FNPFamily Nurse Practitioner1063662419
- Martha Dickens, MDFamily Medicine Physician1770552135
- Sarah Erwin, RDN, LDRegistered Dietitian1871086207
Verify Tammy Sims Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license PA00264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average physician assistant in 2024
320 Medicare Part D claims for 132 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 67 claims were for opioids.
Most prescribed
- Gentamicin Sulfate62 claims
- Hydrocodone-Acetaminophen62 claims
- Ondansetron Hcl62 claims
- Doxycycline Hyclate34 claims
- Levofloxacin16 claims
- Amoxicillin-Clavulanate Potass13 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $759.77
25 payments; by number, the most common kind was food and beverage; the largest payer was Hydrofera LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Central Surgical Associates PLLCJackson, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Physician Assistant providers in Mississippi
There are 338 physician assistant records in Mississippi.
Other physician assistant records in Mississippi
- Romy Abboud, PAOxford, MS1720660335
- Lauren Ackerman, PAHattiesburg, MS1598501504
- Mary Adams, PA-COcean Springs, MS1104570738
- Madison AlbertOxford, MS1811789365
- Mary AllenPotts Camp, MS1053044685
- Douglas Anderson, P.A.Ripley, MS1235676792
- Ellie AndersonBiloxi, MS1578301735
- Tiffany Archer, PA-CGulfport, MS1386896595
- Janie Armstrong, PA-CJackson, MS1235900549
- Wesley Armstrong, PA-CGulfport, MS1083158307
Common questions
What is Tammy Sims Davis, PA-C's NPI number?
Tammy Sims Davis, PA-C's National Provider Identifier (NPI) is 1184081234, issued on Jan 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Sims Davis, PA-C located?
The NPPES record lists a practice address at 1190 N State St, Jackson, MS, 39202. Phone: (601) 944-1781. Providers update this record themselves, so call before visiting.
How can I verify Tammy Sims Davis, PA-C's license?
NPPES lists Mississippi license number PA00264, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.
How much does Tammy Sims Davis, PA-C prescribe under Medicare Part D?
In 2024, Tammy Sims Davis, PA-C had 320 Medicare Part D claims for 132 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Tammy Sims Davis, PA-C's MIPS final score?
The 2023 MIPS final score is 81.2 of 100, reported for the practice group. 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.