Robert Sean McMahon, MD
Internal Medicine Physician · Omaha, NE
Robert Sean McMahon, MD is an internal medicine physician with a practice address in Omaha, Nebraska, and NPI 1346811080, issued on Jul 4, 2021. Check the license (Nebraska 9084, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; the Medicare figures below come from public CMS files.
- Name
- Robert Sean McMahon
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 9084 NE
Self-reported in NPPES; status is on the state search - Practice location
- 7710 Mercy RD Ste 202, Omaha, NE 68124
- Phone
- (402) 280-4392
- Enumerated
- Jul 4, 2021
- Record last updated
- Jul 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 813 in Nebraska → Look up another NPI →
Also registered at 7710 Mercy RD Ste 202
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Verify Robert Sean McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
Search for license 9084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
254 Medicare Part D claims for 78 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone52 claims
- Methotrexate40 claims
- Hydroxychloroquine Sulfate19 claims
- Sulfamethoxazole-Trimethoprim15 claims
- Actemra Actpen11 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.
Robert Sean McMahon among 813 internal medicine physician records in Nebraska
Robert Sean McMahon, MD is one of 813 internal medicine physician records with a practice address in Nebraska. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 65% of them.
- NPI issued2021 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
591 internal medicine physician records list a practice address in Omaha
They are 591 of the 33,911 NPPES records with a practice address in Omaha, and 813 internal medicine physician records in Nebraska.
All 813 in Nebraska → Every provider in Omaha → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sawsan Abulaimoun, MDOmaha, NE 681241467977231
- Janani BaskaranOmaha, NE 681241053836510
- Lori Brunner-Buck, MDOmaha, NE 681241649298225
- Jacqueline Chanlatte-Garcia, MDOmaha, NE 681241801819537
- Thomas Frederickson, M.D.Omaha, NE 681241295728368
- David Gonzales, MDOmaha, NE 681241942217989
- Padma Priya Gummadi, MDOmaha, NE 681241326563453
- Kirtibala Gupta, M.DOmaha, NE 681241568671360
Common questions
What is Robert Sean McMahon, MD's NPI number?
Robert Sean McMahon, MD's National Provider Identifier (NPI) is 1346811080, issued on Jul 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Robert Sean McMahon, MD located?
The NPPES record lists a practice address at 7710 Mercy RD Ste 202, Omaha, NE, 68124. Phone: (402) 280-4392. Providers update this record themselves, so call before visiting.
How can I verify Robert Sean McMahon, MD's license?
NPPES lists Nebraska license number 9084, as entered by the provider. Search the Nebraska Board of Medicine and Surgery at https://www.nebraska.gov/LISSearch/search.cgi. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Sean McMahon, MD prescribe under Medicare Part D?
In 2024, Robert Sean McMahon, MD had 254 Medicare Part D claims for 78 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.