William N. Loeliger, M.D.
Anesthesiology Physician · Towson, MD
William N. Loeliger, M.D. is an anesthesiology physician with a practice address in Towson, Maryland, and NPI 1376544130, issued on Aug 2, 2005. Check the license (Maryland D0033886, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- William N. Loeliger
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- D0033886 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6701 N Charles St, Towson, MD 21204
- Phone
- (410) 296-4616
- Enumerated
- Aug 2, 2005
- Record last updated
- Jul 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (410) 337-5068
- Medicaid ID
- 465041700 MD
- Medicare enrollment
- Enrolled (PECOS I20100721000237); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1980
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,253 in Maryland → Look up another NPI →
Also registered at 6701 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Adams, M.D.Internal Medicine Physician1578637294
- Ademayowa Ademiluyi, MDInternal Medicine Physician1508361346
- Douglas Alexander, M.D.Anesthesiology Physician1326049180
- Jennifer Alman, M.D.Internal Medicine Physician1356586515
- Farid Amin, M.D.Anesthesiology Physician1649271669
Verify William N. Loeliger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0033886Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 66 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).
Industry payments in 2024: $71.22
3 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. The 17,774 providers of this specialty with any payment received $669.59 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
- First Colonies Anesthesia Associates, LLCWestminster, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William N. Loeliger among 1,253 anesthesiology physician records in Maryland
William N. Loeliger, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1980 · median 2005 among the 813 with a school on file
- Record last updated2018 · 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).
77 anesthesiology physician records list a practice address in Towson
They are 77 of the 3,721 NPPES records with a practice address in Towson, and 1,253 anesthesiology physician records in Maryland.
All 1,253 in Maryland → Every provider in Towson → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Douglas Alexander, M.D.Towson, MD 212041326049180
- Farid Amin, M.D.Towson, MD 212041649271669
- Zenaida Bruce-Bengson, M.D.Towson, MD 212041598766420
- Deirdre Butler-Alton, M.D.Towson, MD 212041396746020
- Ronald Dworkin, M.D.Towson, MD 212041598766222
- Harold Goll, M.D.Towson, MD 212041366443251
- Randolph Gorman, M.D.Towson, MD 212041467453357
- Lewis Hogge, M.D.Towson, MD 212041003817818
Common questions
What is William N. Loeliger, M.D.'s NPI number?
William N. Loeliger, M.D.'s National Provider Identifier (NPI) is 1376544130, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William N. Loeliger, M.D. located?
The NPPES record lists a practice address at 6701 N Charles St, Towson, MD, 21204. Phone: (410) 296-4616. Providers update this record themselves, so call before visiting.
How can I verify William N. Loeliger, M.D.'s license?
NPPES lists Maryland license number D0033886, 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.
What is William N. Loeliger, M.D.'s MIPS final score?
The 2023 MIPS final score is 66 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.