Joseph William Flanagan, M.D.
Allergy & Immunology Physician · Ithaca, NY
Joseph William Flanagan, M.D. is an allergy & immunology physician with a practice address in Ithaca, New York, and NPI 1477527828, issued on Feb 14, 2006. Check the license (New York 200087, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Joseph William Flanagan
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 200087 NY
036122936 IL
Self-reported in NPPES; status is on the state search - Practice location
- 840 Hanshaw RD, Ithaca, NY 14850
- Phone
- (607) 257-6563
- Enumerated
- Feb 14, 2006
- Record last updated
- Nov 5, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071019000348); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 311 in New York → Look up another NPI →
Also registered at 840 Hanshaw RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claire Agrawal, DPTPhysical Therapist1396255295
- Corey Bechtle Dresen, PT, DPTPhysical Therapist1013306778
- Kelsey Chatterton, PT, DPTPhysical Therapist1912593948
- Jillian Erickson, P.T.Physical Therapist1003189697
- Cinda Kerbein, PA-CPhysician Assistant1578077863
- Stephen Ungberg, D.M.D.General Practice Dentistry1467552562
Verify Joseph William Flanagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 200087Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
604 Medicare Part D claims for 143 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Fluticasone Propionate71 claims
- Levocetirizine Dihydrochloride64 claims
- Montelukast Sodium62 claims
- Albuterol Sulfate Hfa42 claims
- Azelastine Hcl36 claims
- Fluticasone-Salmeterol36 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.
The MIPS final score for 2023 (Medicare payment program): 95.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $383.96
15 payments; by number, the most common kind was food and beverage; the largest payer was Blueprint Medicines Corporation. 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
- Asthma And Allergy Associates PCVestal, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph William Flanagan among 311 allergy & immunology physician records in New York
Joseph William Flanagan, M.D. is one of 311 allergy & immunology physician records with a practice address in New York. 84% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1992 · median 2000 among the 211 with a school on file
- Record last updated2013 · 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 New York 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 New York
There are 311 allergy & immunology physician records in New York.
All 311 in New York → Every provider in Ithaca → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Eric Jorgensen, MDIthaca, NY 148501093371429
- Rizwan Khan, M.D.Ithaca, NY 148501700864881
- Mariah Pieretti, M.D.Ithaca, NY 148501356355275
- Mehek Mehta, MDCorning, NY 148301558859074
- Fred Lewis, MDOlean, NY 147601093714230
- Sara Patrawala, M.D.Rochester, NY 146421821373705
- Jennifer Pier, M.D.Rochester, NY 146421356720734
- Katherine Tuttle, MDRochester, NY 146421053758201
Common questions
What is Joseph William Flanagan, M.D.'s NPI number?
Joseph William Flanagan, M.D.'s National Provider Identifier (NPI) is 1477527828, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph William Flanagan, M.D. located?
The NPPES record lists a practice address at 840 Hanshaw RD, Ithaca, NY, 14850. Phone: (607) 257-6563. Providers update this record themselves, so call before visiting.
How can I verify Joseph William Flanagan, M.D.'s license?
NPPES lists New York license number 200087, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph William Flanagan, M.D. prescribe under Medicare Part D?
In 2024, Joseph William Flanagan, M.D. had 604 Medicare Part D claims for 143 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Joseph William Flanagan, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.