NPPES file of Aug 9, 2026

Lloyd E. Halvorson, M.D.

Pulmonary Disease Physician · Frederick, MD

Lloyd E. Halvorson, M.D. is a pulmonary disease physician with a practice address in Frederick, Maryland, and NPI 1033110028, issued on Aug 2, 2005. Check the license (Maryland D0022019, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033110028
Name
Lloyd E. Halvorson
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
D0022019 MD
Self-reported in NPPES; status is on the state search
Practice location
7115 Guilford Dr Ste 202, Frederick, MD 21704
Phone
(301) 663-5922
Enumerated
Aug 2, 2005
Record last updated
Jul 18, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
317011000 MD
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Lloyd E. Halvorson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0022019
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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Lloyd E. Halvorson among 342 pulmonary disease physician records in Maryland

Lloyd E. Halvorson, M.D. is one of 342 pulmonary disease physician records with a practice address in Maryland. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2012 · 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 207RP1001X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Maryland

There are 342 pulmonary disease physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Anish Desai, M.D.Frederick, MD 217041447465232
  2. Allen Gilson, M.D.Frederick, MD 217041346241346
  3. Michael Tolino, M.D.Frederick, MD 217041932100930
  4. Neil Waravdekar, M.D.Frederick, MD 217041780685784
  5. Lev Agarunov, M.D.Frederick, MD 217031316067929
  6. Syed Mahmood, M.D.Frederick, MD 217031831544022
  7. Ravi Patel, D.O.Frederick, MD 217031851824320
  8. Petra Thomas, M.D.Frederick, MD 217031518957661

Common questions

What is Lloyd E. Halvorson, M.D.'s NPI number?

Lloyd E. Halvorson, M.D.'s National Provider Identifier (NPI) is 1033110028, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Lloyd E. Halvorson, M.D. located?

The NPPES record lists a practice address at 7115 Guilford Dr Ste 202, Frederick, MD, 21704. Phone: (301) 663-5922. Providers update this record themselves, so call before visiting.

How can I verify Lloyd E. Halvorson, M.D.'s license?

NPPES lists Maryland license number D0022019, 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. 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.