Alexander Joseph Neilson, DO
Anesthesiology Physician · Silver Spring, MD
Alexander Joseph Neilson, DO is an anesthesiology physician with a practice address in Silver Spring, Maryland, and NPI 1316506728, issued on Jun 10, 2019. Check the license (Maryland H0100209, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Alexander Joseph Neilson
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- H0100209 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11890 Healing Way, Silver Spring, MD 20904
- Phone
- (240) 637-4000
- Enumerated
- Jun 10, 2019
- Record last updated
- Aug 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20240827001100); accepts Medicare assignment
- Medical or professional school
- Campbell Univ School Of Osteopathic Medicine, 2019
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,253 in Maryland → Look up another NPI →
Also registered at 11890 Healing Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edom AbatePharmacist1598525313
- Luverne Abogadie, DNP, AGACNP-BCAcute Care Nurse Practitioner1386239234
- Roberta Ackom, CNMAdvanced Practice Midwife1609368752
- Emelia AgyeiPsychiatric/Mental Health Nurse Practitioner1629776224
- Yemi Akinrimisi, CSFASurgical Assistant1669153821
- Florence Amaikwu, DNP PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1679164750
Verify Alexander Joseph Neilson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H0100209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- First Colonies Anesthesia Associates, LLCSilver Spring, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Joseph Neilson among 1,253 anesthesiology physician records in Maryland
Alexander Joseph Neilson, DO is one of 1,253 anesthesiology physician records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 91% of them.
- NPI issued2019 · 91% of these records are older, 8% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2019 · median 2005 among the 813 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Maryland
There are 1,253 anesthesiology physician records in Maryland.
All 1,253 in Maryland → Every provider in Silver Spring → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Herng-Yu Chang, MDSilver Spring, MD 209041508209339
- Haeng -Shik Kim, MDSilver Spring, MD 209041760466866
- Stephen Yang, D.O.Silver Spring, MD 209041073976106
- James Henderson, MDSilver Spring, MD 209051750366860
- Srinivas Mandava, M.D.Silver Spring, MD 209051992904585
- Ayobami AjayiWheaton, MD 209021568994168
- Rammy Alam, DOWheaton, MD 209021023210945
- Nawraz Alan, M.D.Wheaton, MD 209021326364415
Common questions
What is Alexander Joseph Neilson, DO's NPI number?
Alexander Joseph Neilson, DO's National Provider Identifier (NPI) is 1316506728, issued on Jun 10, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Joseph Neilson, DO located?
The NPPES record lists a practice address at 11890 Healing Way, Silver Spring, MD, 20904. Phone: (240) 637-4000. Providers update this record themselves, so call before visiting.
How can I verify Alexander Joseph Neilson, DO's license?
NPPES lists Maryland license number H0100209, 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.
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.