John L. Hemmer, M.D
Orthopaedic Surgery Physician · Gainesville, GA
John L. Hemmer, M.D is an orthopaedic surgery physician with a practice address in Gainesville, Georgia, and NPI 1518958784, issued on Nov 4, 2005. Check the license (Georgia 014917, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- John L. Hemmer
- Credential
- M.D
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 014917 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1240 Jesse Jewell Pkwy SE, Gainesville, GA 30501
- Phone
- (770) 532-7202
- Enumerated
- Nov 4, 2005
- Record last updated
- Sep 28, 2023
- Fax
- (770) 536-2767
- Medicare enrollment
- Enrolled (PECOS I20041006001144); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 1971
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 753 in Georgia → Look up another NPI →
Also registered at 1240 Jesse Jewell Pkwy SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brent Archer, M.D.Internal Medicine Physician1073702916
- Robert Barrett, DOInternal Medicine Physician1780902411
- Michael Baugh, M.D.Neurology Physician1295840577
- Virgil Beall, MDAnesthesiology Physician1720010978
- Richard Blatt, M.D.Internal Medicine Physician1699951871
- Clinton Branch, M.D., F.A.A.N.Neurology Physician1184739435
Verify John L. Hemmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 014917Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024
1,002 Medicare Part D claims for 257 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 344 claims were for opioids.
Most prescribed
- Gabapentin212 claims
- Hydrocodone-Acetaminophen135 claims
- Celecoxib118 claims
- Tramadol Hcl109 claims
- Prednisone94 claims
- Oxycodone-Acetaminophen62 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): 85.6 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: $39.73
1 payment: food and beverage; the largest payer was DePuy Synthes Sales Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Specialty Orthopaedics PCGainesville, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John L. Hemmer among 753 orthopaedic surgery physician records in Georgia
John L. Hemmer, M.D is one of 753 orthopaedic surgery physician records with a practice address in Georgia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1971 · median 2005 among the 500 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Georgia
There are 753 orthopaedic surgery physician records in Georgia.
All 753 in Georgia → Every provider in Gainesville → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Gary Davis, MDGainesville, GA 305011659354413
- Harry Ferran, MDGainesville, GA 305011598788077
- Michael Gottsman, MDGainesville, GA 305011891718383
- R Hazel, MDGainesville, GA 305011023025632
- Robert Marascalco, M.D.Gainesville, GA 305011083695050
- Derek Moore, MDGainesville, GA 305011871516930
- Chad Muxlow, D.O.Gainesville, GA 305011649471764
- Daniel Rhoads, M.D.Gainesville, GA 305011023084258
Common questions
What is John L. Hemmer, M.D's NPI number?
John L. Hemmer, M.D's National Provider Identifier (NPI) is 1518958784, issued on Nov 4, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John L. Hemmer, M.D located?
The NPPES record lists a practice address at 1240 Jesse Jewell Pkwy SE, Gainesville, GA, 30501. Phone: (770) 532-7202. Providers update this record themselves, so call before visiting.
How can I verify John L. Hemmer, M.D's license?
NPPES lists Georgia license number 014917, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John L. Hemmer, M.D prescribe under Medicare Part D?
In 2024, John L. Hemmer, M.D had 1,002 Medicare Part D claims for 257 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is John L. Hemmer, M.D's MIPS final score?
The 2023 MIPS final score is 85.6 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.