Robert Sidney Mull, MD
Internal Medicine Physician · Las Vegas, NV
Robert Sidney Mull, MD is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1578695524, issued on Mar 12, 2007. Check the license (Nevada 5702, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert Sidney Mull
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5702 NV
Self-reported in NPPES; status is on the state search - Practice location
- 4231 N. Rancho Dr., Las Vegas, NV 89130
- Phone
- (702) 939-2019
- Enumerated
- Mar 12, 2007
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (702) 395-9511
- Medicare enrollment
- Enrolled (PECOS I20100623000936); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Verify Robert Sidney Mull in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 5702Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
118 Medicare Part D claims for 52 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass13 claims
- Fluticasone Propionate13 claims
- Methylprednisolone11 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.
Bills Medicare through one group practice
- University Medical Center OF Southern NevadaLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Sidney Mull among 1,229 internal medicine physician records in Nevada
Robert Sidney Mull, MD is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1984 · median 2006 among the 772 with a school on file
- Record last updated2021 · 43% 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 Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
716 internal medicine physician records list a practice address in Las Vegas
They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Las Vegas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Rahul Devroy, MDLas Vegas, NV 891301003479940
- Judith Ford, M.D.Las Vegas, NV 891301164495206
- Raafat Khani, DOLas Vegas, NV 891301487706180
- Marjorie Malleck, M.D.Las Vegas, NV 891301891805644
- Ramanathan Muthaiah, MDLas Vegas, NV 891301356367734
Common questions
What is Robert Sidney Mull, MD's NPI number?
Robert Sidney Mull, MD's National Provider Identifier (NPI) is 1578695524, issued on Mar 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Sidney Mull, MD located?
The NPPES record lists a practice address at 4231 N. Rancho Dr., Las Vegas, NV, 89130. Phone: (702) 939-2019. Providers update this record themselves, so call before visiting.
How can I verify Robert Sidney Mull, MD's license?
NPPES lists Nevada license number 5702, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Sidney Mull, MD prescribe under Medicare Part D?
In 2024, Robert Sidney Mull, MD had 118 Medicare Part D claims for 52 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.