NPPES file of Aug 9, 2026

Stephen Daniel Lockey, MD

Allergy & Immunology Physician · Lancaster, PA

Stephen Daniel Lockey, MD is an allergy & immunology physician with a practice address in Lancaster, Pennsylvania, and NPI 1649269416, issued on Oct 14, 2005. Check the license (Pennsylvania MD011652E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649269416
Name
Stephen Daniel Lockey
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
MD011652E PA
Self-reported in NPPES; status is on the state search
Practice location
2445 Marietta Ave, Lancaster, PA 17601
Phone
(717) 393-1365
Enumerated
Oct 14, 2005
Record last updated
Oct 7, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(717) 393-8540
Medicaid ID
000675256 PA
Medicare enrollment
Enrolled (PECOS I20100609000493); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1963
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2445 Marietta Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clark Kaufman, MDSpecialist1326036468
  2. Robin Rochow, PA-CPhysician Assistant1356590186
  3. Mark Titi, MDAllergy & Immunology Physician1649268525

Verify Stephen Daniel Lockey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD011652E
    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 Pennsylvania license search

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29% more Medicare Part D claims than the average allergy & immunology physician in 2024

954 Medicare Part D claims for 216 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.

  1. Stephen Lockey954
  2. Specialty average741

Most prescribed

  1. Montelukast Sodium138 claims
  2. Fluticasone Propionate79 claims
  3. Azelastine Hcl69 claims
  4. Arnuity Ellipta61 claims
  5. Azelastine-Fluticasone47 claims
  6. Budesonide-Formoterol Fumarate47 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.

Industry payments in 2024: $692.52

30 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Lockey$692.52
  2. Specialty average$8,321.81

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

  1. Allergy And Asthma Center PCLancaster, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephen Daniel Lockey among 183 allergy & immunology physician records in Pennsylvania

Stephen Daniel Lockey, MD is one of 183 allergy & immunology physician records with a practice address in Pennsylvania. 77% 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, 79% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1963 · median 2000 among the 109 with a school on file
  • Record last updated2014 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Pennsylvania

There are 183 allergy & immunology physician records in Pennsylvania.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Amanda Bittner, MDLancaster, PA 176011093703134
  2. Laura Fisher, MDLancaster, PA 176011376619387
  3. Mark Titi, MDLancaster, PA 176011649268525
  4. Nathaniel Hare, M.D.Williamsport, PA 177011598974560
  5. Amy Auerbach, M.D.York, PA 174031831392877
  6. David Axelrod, M.D.York, PA 174031073540076
  7. Nicholas Orfan, M.D.York, PA 174031366466971
  8. Michael Facktor, M.D.Danville, PA 178221467436592

Common questions

What is Stephen Daniel Lockey, MD's NPI number?

Stephen Daniel Lockey, MD's National Provider Identifier (NPI) is 1649269416, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Daniel Lockey, MD located?

The NPPES record lists a practice address at 2445 Marietta Ave, Lancaster, PA, 17601. Phone: (717) 393-1365. Providers update this record themselves, so call before visiting.

How can I verify Stephen Daniel Lockey, MD's license?

NPPES lists Pennsylvania license number MD011652E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stephen Daniel Lockey, MD prescribe under Medicare Part D?

In 2024, Stephen Daniel Lockey, MD had 954 Medicare Part D claims for 216 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.