Harry A. Derr, D.C.
Chiropractor · Baltimore, MD
Harry A. Derr, D.C. is a chiropractor with a practice address in Baltimore, Maryland, and NPI 1881670230, issued on Dec 19, 2005. Check the license (Maryland S03655, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Harry A. Derr
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- S03655 MD
Self-reported in NPPES; status is on the state search - Practice location
- 220 W Cold Spring LN, Baltimore, MD 21210
- Phone
- (443) 524-6600
- Enumerated
- Dec 19, 2005
- Record last updated
- May 27, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120221000752); accepts Medicare assignment
- Medical or professional school
- New York Chiropractic College, 2004
- Entity
- Type 1 · individual
Also registered at 220 W Cold Spring LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alethia BrownFamily Nurse Practitioner1598143653
- Joshua HaganFamily Nurse Practitioner1003697772
- Alyssa Haynes, DCChiropractor1447755293
- Dominick Rose, D.C.Chiropractor1164965653
- Frederick Streckewald, D.C.Chiropractor1396100574
Verify Harry A. Derr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license S03655Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Chiropractor providers in Maryland
There are 881 chiropractor records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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Common questions
What is Harry A. Derr, D.C.'s NPI number?
Harry A. Derr, D.C.'s National Provider Identifier (NPI) is 1881670230, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Harry A. Derr, D.C. located?
The NPPES record lists a practice address at 220 W Cold Spring LN, Baltimore, MD, 21210. Phone: (443) 524-6600. Providers update this record themselves, so call before visiting.
How can I verify Harry A. Derr, D.C.'s license?
NPPES lists Maryland license number S03655, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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. 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.