Lloyd Halvorson, M.D.
NPI 1033110028 · Pulmonary Disease Physician · Frederick, MD
Lloyd Halvorson, M.D. is a Pulmonary Disease Physician provider in Frederick, MD (NPI 1033110028).
Provider details
- NPI number
- 1033110028
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0022019 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2012-07-18
Frequently asked questions
- What is Lloyd Halvorson's NPI number?
- Lloyd Halvorson's National Provider Identifier (NPI) is 1033110028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lloyd Halvorson's specialty?
- Lloyd Halvorson is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Lloyd Halvorson located?
- Lloyd Halvorson's practice location on file with NPPES is 7115 Guilford Dr Ste 202, Frederick, MD 21704-5236.
- What is Lloyd Halvorson's phone number?
- The practice phone number listed in the NPPES registry for Lloyd Halvorson is (301) 663-5922.
- Is Lloyd Halvorson's NPI active?
- Yes — Lloyd Halvorson's NPI (1033110028) is active in the NPPES registry as of the last update on 2012-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.