Landon Mueller, M.D.
Emergency Medicine Physician · Olney, MD
Landon Mueller, M.D. is an emergency medicine physician with a practice address in Olney, Maryland, and NPI 1982139978, issued on Apr 27, 2017. Check the license (Maryland D88958, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Landon Mueller
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- D88958 MD
Self-reported in NPPES; status is on the state search - Practice location
- 18101 Prince Philip Dr, Olney, MD 20832
- Phone
- (301) 774-8882
- Enumerated
- Apr 27, 2017
- Record last updated
- Jul 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (301) 774-7648
- Medicare enrollment
- Enrolled (PECOS I20200805001930); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 18101 Prince Philip Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Ainsfield, LCSW-CClinical Social Worker1235086653
- Rosemary Akinkunle, NURSE PRACTITIONERFamily Nurse Practitioner1538778717
- Golfam Ali SobhaniSurgical Assistant1568142297
- Bridgit Alumkara, M.D.Internal Medicine Physician1669629358
- Maria Araneta, PA-CMedical Physician Assistant1124556857
- Janice Bediako-Smith, PAMedical Physician Assistant1538136619
Verify Landon Mueller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D88958Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average emergency medicine physician in 2024
128 Medicare Part D claims for 79 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Meloxicam21 claims
- Oxycodone Hcl17 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): 76.3 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).
Bills Medicare through one group practice
- Medstar Medical Group II LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Landon Mueller among 1,190 emergency medicine physician records in Maryland
Landon Mueller, M.D. is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2017 · median 2010 among the 571 with a school on file
- Record last updated2020 · 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 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 emergency medicine physician records list a practice address in Olney
They are 12 of the 742 NPPES records with a practice address in Olney, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Olney → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Griffin Bleecker, M.D.Olney, MD 208321790363760
- Keith Della Grotta, MDOlney, MD 208321235505611
- Jeremy Graf, MDOlney, MD 208321104817873
- Herman Kalsi, MDOlney, MD 208321902269582
- Michael Kerr, MDOlney, MD 208321669460515
- Robert Larkin, MDOlney, MD 208321780664102
- Serge Shewchuk, MDOlney, MD 208321932154242
- Ellen Smith, MDOlney, MD 208321770572463
Common questions
What is Landon Mueller, M.D.'s NPI number?
Landon Mueller, M.D.'s National Provider Identifier (NPI) is 1982139978, issued on Apr 27, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Landon Mueller, M.D. located?
The NPPES record lists a practice address at 18101 Prince Philip Dr, Olney, MD, 20832. Phone: (301) 774-8882. Providers update this record themselves, so call before visiting.
How can I verify Landon Mueller, M.D.'s license?
NPPES lists Maryland license number D88958, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Landon Mueller, M.D. prescribe under Medicare Part D?
In 2024, Landon Mueller, M.D. had 128 Medicare Part D claims for 79 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Landon Mueller, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.3 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.