William A. Greisner, MD
Allergy & Immunology Physician · Lexington, KY
William A. Greisner, MD is an allergy & immunology physician with a practice address in Lexington, Kentucky, and NPI 1720095334, issued on Aug 3, 2006. Check the license (Kentucky 32610, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- William A. Greisner
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 32610 KY
Self-reported in NPPES; status is on the state search - Practice location
- 171 North Eagle Creek Drive, Lexington, KY 40509
- Phone
- (859) 277-9112
- Enumerated
- Aug 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (859) 277-7105
- Medicaid ID
- 64326101 KY
- Medicare enrollment
- Enrolled (PECOS I20060120000016); accepts Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 1991
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 65 in Kentucky → Look up another NPI →
Verify William A. Greisner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 32610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average allergy & immunology physician in 2024
1,339 Medicare Part D claims for 252 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Fluticasone Propionate206 claims
- Azelastine Hcl175 claims
- Albuterol Sulfate Hfa90 claims
- Montelukast Sodium81 claims
- Symbicort80 claims
- Levocetirizine Dihydrochloride68 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: $8,001.13
93 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. 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.
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
- Allergy And Asthma Associates, P. S. CLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William A. Greisner among 65 allergy & immunology physician records in Kentucky
William A. Greisner, MD is one of 65 allergy & immunology physician records with a practice address in Kentucky. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 40% of them.
- NPI issued2006 · 40% of these records are older, 37% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1991 · median 2001 among the 45 with a school on file
- Record last updated2007 · 72% 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 Kentucky 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 Kentucky
There are 65 allergy & immunology physician records in Kentucky.
All 65 in Kentucky → Every provider in Lexington → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Rajiv Arora, M.D.Lexington, KY 405091689724155
- Kelsey Coyle, MDLexington, KY 405091083077002
- Nelson Lamkin, M.D.Lexington, KY 405091669405858
- Alexander Patterson, MDLexington, KY 405091629430822
- Shuya Wu, MDLexington, KY 405091982947958
- Priya Warrier, M.D.Lexington, KY 405131922010792
- Neven Gardner, MDLexington, KY 405031689676686
- John Hill, MDLexington, KY 405031235130360
Common questions
What is William A. Greisner, MD's NPI number?
William A. Greisner, MD's National Provider Identifier (NPI) is 1720095334, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Greisner, MD located?
The NPPES record lists a practice address at 171 North Eagle Creek Drive, Lexington, KY, 40509. Phone: (859) 277-9112. Providers update this record themselves, so call before visiting.
How can I verify William A. Greisner, MD's license?
NPPES lists Kentucky license number 32610, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William A. Greisner, MD prescribe under Medicare Part D?
In 2024, William A. Greisner, MD had 1,339 Medicare Part D claims for 252 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.