NPPES file of Aug 9, 2026

Marcus K. Weldon, MD

Hematology & Oncology Physician · Macon, GA

Marcus K. Weldon, MD is a hematology & oncology physician with a practice address in Macon, Georgia, and NPI 1942689286, issued on May 19, 2015. Check the license (Georgia 76847, as entered in NPPES) on the Georgia Composite Medical Board; 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
1942689286
Name
Marcus K. Weldon
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
76847 GA
Self-reported in NPPES; status is on the state search
Practice location
800 1St St Ste 410, Macon, GA 31201
Phone
(478) 743-7068
Enumerated
May 19, 2015
Record last updated
Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(478) 741-1354
Medicare enrollment
Enrolled (PECOS I20210511001975); accepts Medicare assignment
Medical or professional school
Mercer University School Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
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 800 1St St Ste 410

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

  1. Catherine Braley, NP-CFamily Nurse Practitioner1962057109
  2. Summer Bryant, N.P.Adult Health Nurse Practitioner1083650279
  3. Pamela Lamberth, FNP-CFamily Nurse Practitioner1548965643
  4. Stacey Whalen, FNP-CFamily Nurse Practitioner1700399805
  5. Amber Wilson, FNP-CNurse Practitioner1437673266
  6. Bobbie Young, NP-CNurse Practitioner1811529100

Verify Marcus K. Weldon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 76847
    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
Open the Georgia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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64% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,435 Medicare Part D claims for 392 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 389 claims were for opioids.

  1. Marcus Weldon1,435
  2. Specialty average877

Most prescribed

  1. Anastrozole162 claims
  2. Oxycodone Hcl135 claims
  3. Hydrocodone-Acetaminophen107 claims
  4. Morphine Sulfate Er71 claims
  5. Eliquis57 claims
  6. Letrozole55 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): 100 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.

  1. Qualityout of 100 · 30% of the final score95.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $3,124.48

124 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals 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.

  1. Marcus Weldon$3,124.48
  2. Specialty average$7,481.41

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. American Oncology Partners PAMacon, GA

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

Marcus K. Weldon among 396 hematology & oncology physician records in Georgia

Marcus K. Weldon, MD is one of 396 hematology & oncology physician records with a practice address in Georgia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.

  • NPI issued2015 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2015 · median 2002 among the 300 with a school on file
  • Record last updated2021 · 59% 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 Georgia 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 Georgia

There are 396 hematology & oncology physician records in Georgia.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Abeer AbouyabisMacon, GA 312011427235613
  2. Katie McQueen Amaker, M.D.Macon, GA 312011598179228
  3. Arvind Aggarwal, M.D.Macon, GA 312171154330090
  4. Raj Gupta, MDMacon, GA 312171548248289
  5. Cheryl Jones, MDMacon, GA 312171629056395
  6. Premila Malhotra, MDMacon, GA 312171285848689
  7. Vundyala Reddy, MDMacon, GA 312171679551279
  8. Mohammed Shareef, MDMacon, GA 312171619112042

Common questions

What is Marcus K. Weldon, MD's NPI number?

Marcus K. Weldon, MD's National Provider Identifier (NPI) is 1942689286, issued on May 19, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Marcus K. Weldon, MD located?

The NPPES record lists a practice address at 800 1St St Ste 410, Macon, GA, 31201. Phone: (478) 743-7068. Providers update this record themselves, so call before visiting.

How can I verify Marcus K. Weldon, MD's license?

NPPES lists Georgia license number 76847, 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 Marcus K. Weldon, MD prescribe under Medicare Part D?

In 2024, Marcus K. Weldon, MD had 1,435 Medicare Part D claims for 392 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Marcus K. Weldon, MD's MIPS final score?

The 2023 MIPS final score is 100 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.