Grace G. Shumaker, M.D.
Hematology & Oncology Physician · Jackson, MS
Grace G. Shumaker, M.D. is a hematology & oncology physician with a practice address in Jackson, Mississippi, and NPI 1912901513, issued on Jun 10, 2005. Check the license (Mississippi 11423, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Grace G. Shumaker
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 11423 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1227 N State St, Jackson, MS 39202
- Phone
- (601) 355-2485
- Enumerated
- Jun 10, 2005
- Record last updated
- Apr 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (601) 353-1463
- Medicaid ID
- 00116633 MS
- Medicare enrollment
- Enrolled (PECOS I20100520000684); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 64 in Mississippi → Look up another NPI →
Also registered at 1227 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Berthold, F.N.P.Family Nurse Practitioner1821092479
- Lori Brent, FNPFamily Nurse Practitioner1992958169
- Van Lackey, M.D.Medical Oncology Physician1740284389
- Bobby Wilkerson, M.D.Hematology & Oncology Physician1245212844
- Tammy Young, M.D.Medical Oncology Physician1013911668
Verify Grace G. Shumaker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 11423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
866 Medicare Part D claims for 141 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 67 claims were for opioids.
Most prescribed
- Letrozole145 claims
- Tamoxifen Citrate85 claims
- Gabapentin49 claims
- Exemestane40 claims
- Hydrocodone-Acetaminophen35 claims
- Ondansetron Hcl33 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): 69.8 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: $1,558.46
78 payments; by number, the most common kind was food and beverage; the largest payer was Celgene Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 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
- State OF Mississippi-University OF Mississippi Medical CenterJackson, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace G. Shumaker among 64 hematology & oncology physician records in Mississippi
Grace G. Shumaker, M.D. is one of 64 hematology & oncology physician records with a practice address in Mississippi. 92% 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, 78% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1991 · median 2002 among the 52 with a school on file
- Record last updated2017 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Mississippi
There are 64 hematology & oncology physician records in Mississippi.
All 64 in Mississippi → Every provider in Jackson → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Justin Baker, M.D.Jackson, MS 392021639119589
- Bobby Wilkerson, M.D.Jackson, MS 392021245212844
- Graves Stubblefield, M.D.Jackson, MS 392061003026345
- Cecelia Allred, M.D.Jackson, MS 392161528167541
- Barbara Craft, MDJackson, MS 392161104862259
- Jennifer Frost, DOJackson, MS 392161710198585
- Samuel Hall, DOJackson, MS 392161487115838
- John Henegan, M.D.Jackson, MS 392161114188471
Common questions
What is Grace G. Shumaker, M.D.'s NPI number?
Grace G. Shumaker, M.D.'s National Provider Identifier (NPI) is 1912901513, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Grace G. Shumaker, M.D. located?
The NPPES record lists a practice address at 1227 N State St, Jackson, MS, 39202. Phone: (601) 355-2485. Providers update this record themselves, so call before visiting.
How can I verify Grace G. Shumaker, M.D.'s license?
NPPES lists Mississippi license number 11423, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grace G. Shumaker, M.D. prescribe under Medicare Part D?
In 2024, Grace G. Shumaker, M.D. had 866 Medicare Part D claims for 141 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Grace G. Shumaker, M.D.'s MIPS final score?
The 2023 MIPS final score is 69.8 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.