Allen F. Kossoy, DO
Allergy & Immunology Physician · Topeka, KS
Allen F. Kossoy, DO is an allergy & immunology physician with a practice address in Topeka, Kansas, and NPI 1558370007, issued on Aug 5, 2006. Check the license (Kansas 05-22557, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Allen F. Kossoy
- Credential
- DO
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 05-22557 KS
Self-reported in NPPES; status is on the state search - Practice location
- 901 SW Garfield Ave, Topeka, KS 66606
- Phone
- (785) 354-9591
- Enumerated
- Aug 5, 2006
- Record last updated
- Jun 6, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (785) 368-0713
- Medicaid ID
- 100230840B KS
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 37 in Kansas → Look up another NPI →
Also registered at 901 SW Garfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Aeschliman, APRNPrimary Care Nurse Practitioner1487298352
- Muhammad Amin, MDNeurology Physician1710592431
- Sally Anderson, APRNFamily Nurse Practitioner1255739660
- Michael Atwood, MDFamily Medicine Physician1992714752
- Cynthia BairdNurse Practitioner1407947930
- James Barnett, MDInternal Medicine Physician1437189008
Verify Allen F. Kossoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 05-22557Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
56 Medicare Part D claims, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 88% of claims.
Most prescribed
- Trelegy Ellipta17 claims
- Breo Ellipta12 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.
Allen F. Kossoy among 37 allergy & immunology physician records in Kansas
Allen F. Kossoy, DO is one of 37 allergy & immunology physician records with a practice address in Kansas. 78% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 32% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2014 · 49% 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 Kansas 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 Kansas
There are 37 allergy & immunology physician records in Kansas.
All 37 in Kansas → Every provider in Topeka → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- James Ransom, M.D.Topeka, KS 666041225033079
- Iulia Voica, M.D.Topeka, KS 666041386649143
- Jonathan Becker, M.DFort Riley, KS 664421952347916
- Sara Azzam, MDOverland Park, KS 662111932543717
- Celina Bernabe, DOOverland Park, KS 662111063518546
- Naseem Hamidi, MDOverland Park, KS 662111780261065
- Henry Kanarek, M.D.Overland Park, KS 662111801983408
- H Levine, MDOverland Park, KS 662111366548893
Common questions
What is Allen F. Kossoy, DO's NPI number?
Allen F. Kossoy, DO's National Provider Identifier (NPI) is 1558370007, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Allen F. Kossoy, DO located?
The NPPES record lists a practice address at 901 SW Garfield Ave, Topeka, KS, 66606. Phone: (785) 354-9591. Providers update this record themselves, so call before visiting.
How can I verify Allen F. Kossoy, DO's license?
NPPES lists Kansas license number 05-22557, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Allen F. Kossoy, DO prescribe under Medicare Part D?
In 2024, Allen F. Kossoy, DO had 56 Medicare Part D claims; 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.