Michael B. Williams, DO
Emergency Medicine Physician · Olney, MD
Michael B. Williams, DO is an emergency medicine physician with a practice address in Olney, Maryland, and NPI 1871577783, issued on Dec 5, 2005. Check the license (Maryland H0061316, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Michael B. Williams
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- H0061316 MD
Self-reported in NPPES; status is on the state search - Practice location
- 18101 Prince Philip Dr, Olney, MD 20832
- Phone
- (301) 774-8900
- Enumerated
- Dec 5, 2005
- Record last updated
- Feb 4, 2022
- Fax
- (301) 570-8574
- Medicaid ID
- 405143200 MD
- Medicare enrollment
- Enrolled (PECOS I20041028000570); accepts Medicare assignment
- Medical or professional school
- Nova Southeastern Univ College Of Dental Medicine, 2000
- 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 Michael B. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H0061316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average emergency medicine physician in 2024
568 Medicare Part D claims for 315 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone82 claims
- Amoxicillin-Clavulanate Potass77 claims
- Ibuprofen73 claims
- Azelastine Hcl55 claims
- Methocarbamol51 claims
- Doxycycline Monohydrate20 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.
Industry payments in 2024: $133.22
2 payments; by number, the most common kind was food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncHalethorpe, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael B. Williams among 1,190 emergency medicine physician records in Maryland
Michael B. Williams, DO 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2000 · median 2010 among the 571 with a school on file
- Record last updated2022 · 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
- Landon Mueller, M.D.Olney, MD 208321982139978
- Serge Shewchuk, MDOlney, MD 208321932154242
Common questions
What is Michael B. Williams, DO's NPI number?
Michael B. Williams, DO's National Provider Identifier (NPI) is 1871577783, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael B. Williams, DO located?
The NPPES record lists a practice address at 18101 Prince Philip Dr, Olney, MD, 20832. Phone: (301) 774-8900. Providers update this record themselves, so call before visiting.
How can I verify Michael B. Williams, DO's license?
NPPES lists Maryland license number H0061316, 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 Michael B. Williams, DO prescribe under Medicare Part D?
In 2024, Michael B. Williams, DO had 568 Medicare Part D claims for 315 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.