Colleen Elizabeth Hanlon
Anesthesiology Physician · Baltimore, MD
Colleen Elizabeth Hanlon is an anesthesiology physician with a practice address in Baltimore, Maryland, and NPI 1255800538, issued on Nov 16, 2018. Check the license (Maryland D0102030, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Colleen Elizabeth Hanlon
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- D0102030 MD
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St, Baltimore, MD 21287
- Phone
- (410) 955-3080
- Enumerated
- Nov 16, 2018
- Record last updated
- Apr 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20250518000025); may accept Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,253 in Maryland → Look up another NPI →
Also registered at 600 N Wolfe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Colleen Elizabeth Hanlon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0102030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average anesthesiology physician in 2024
20 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colleen Elizabeth Hanlon among 1,253 anesthesiology physician records in Maryland
Colleen Elizabeth Hanlon 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 2018, is newer than 88% of them.
- NPI issued2018 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · median 2005 among the 813 with a school on file
- Record last updated2025 · 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).
523 anesthesiology physician records list a practice address in Baltimore
They are 523 of the 35,183 NPPES records with a practice address in Baltimore, and 1,253 anesthesiology physician records in Maryland.
All 1,253 in Maryland → Every provider in Baltimore → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Laurie Antonik, M.D.Baltimore, MD 212871790749075
- Sam Blankson-Hemans, MDBaltimore, MD 212871215915749
- Robert Greenberg, M.D.Baltimore, MD 212871376508556
- Marie Hanna, M.D.Baltimore, MD 212871053360404
- Richard Hardart, M.D.Baltimore, MD 212871407806805
- Andrew Harris, M.D.Baltimore, MD 212871548210495
- Alicia Hughes, MDBaltimore, MD 212871093777138
- Edward Miller, M.D.Baltimore, MD 212871154371011
Common questions
What is Colleen Elizabeth Hanlon's NPI number?
Colleen Elizabeth Hanlon's National Provider Identifier (NPI) is 1255800538, issued on Nov 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Colleen Elizabeth Hanlon located?
The NPPES record lists a practice address at 600 N Wolfe St, Baltimore, MD, 21287. Phone: (410) 955-3080. Providers update this record themselves, so call before visiting.
How can I verify Colleen Elizabeth Hanlon's license?
NPPES lists Maryland license number D0102030, 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 Colleen Elizabeth Hanlon prescribe under Medicare Part D?
In 2024, Colleen Elizabeth Hanlon had 20 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.