Barry F. Zeffren, MD
Allergy & Immunology Physician · Saint Louis, MO
Barry F. Zeffren, MD is an allergy & immunology physician with a practice address in Saint Louis, Missouri, and NPI 1205908639, issued on Nov 14, 2006. Check the license (Missouri R8A32, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Barry F. Zeffren
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- R8A32 MO
036068207 IL
Self-reported in NPPES; status is on the state search - Practice location
- 8150 Amherst Ave, Saint Louis, MO 63130
- Phone
- (773) 260-0964
- Enumerated
- Nov 14, 2006
- Record last updated
- Jul 14, 2026
- Medicare enrollment
- Enrolled (PECOS I20090313000378); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 36 in Missouri → Look up another NPI →
Verify Barry F. Zeffren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R8A32Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average allergy & immunology physician in 2024
1,159 Medicare Part D claims for 162 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Fluticasone Propionate122 claims
- Breo Ellipta116 claims
- Trelegy Ellipta101 claims
- Albuterol Sulfate Hfa88 claims
- Xolair57 claims
- Fluticasone-Salmeterol54 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: $610.61
34 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Barry F. Zeffren among 36 allergy & immunology physician records in Missouri
Barry F. Zeffren, MD is one of 36 allergy & immunology physician records with a practice address in Missouri. 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 17% of them.
- NPI issued2006 · 17% of these records are older, 58% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1979 · median 2002 among the 23 with a school on file
- Record last updated2026 · 56% 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 Missouri 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 Missouri
There are 36 allergy & immunology physician records in Missouri.
All 36 in Missouri → Every provider in Saint Louis → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Barry Cooper, MDSaint Louis, MO 631281609876366
- Elyra Figueroa, MDSaint Louis, MO 631281760686034
- Michael Borts, M.D.Saint Louis, MO 631271912991753
- Manoj Warrier, M.D.Saint Louis, MO 631271699724161
- Hamsa Subramanian, M.D.Saint Louis, MO 631411154370203
- Jeffrey Tillinghast, M.D.Saint Louis, MO 631411447393301
- Khaled Abdel-Hamid, MDSaint Louis, MO 631101679591572
- Ritu Gupta, M.D.St Louis, MO 631101083810808
Common questions
What is Barry F. Zeffren, MD's NPI number?
Barry F. Zeffren, MD's National Provider Identifier (NPI) is 1205908639, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barry F. Zeffren, MD located?
The NPPES record lists a practice address at 8150 Amherst Ave, Saint Louis, MO, 63130. Phone: (773) 260-0964. Providers update this record themselves, so call before visiting.
How can I verify Barry F. Zeffren, MD's license?
NPPES lists Missouri license number R8A32, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Barry F. Zeffren, MD prescribe under Medicare Part D?
In 2024, Barry F. Zeffren, MD had 1,159 Medicare Part D claims for 162 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.