Allen L. Flickinger, MD
Nephrology Physician · Toledo, OH
Allen L. Flickinger, MD is a nephrology physician with a practice address in Toledo, Ohio, and NPI 1538137229, issued on Mar 9, 2006. Check the license (Ohio 5855, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Allen L. Flickinger
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 5855 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2109 Hughes, Toledo, OH 43606
- Phone
- (419) 479-2650
- Enumerated
- Mar 9, 2006
- Record last updated
- Mar 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (419) 479-2655
- Medicaid ID
- 0143820 OH
- Medicare enrollment
- Enrolled (PECOS I20120208000860); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 499 in Ohio → Look up another NPI →
Verify Allen L. Flickinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 5855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average nephrology physician in 2024
817 Medicare Part D claims for 125 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Bumetanide123 claims
- Lisinopril69 claims
- Carvedilol60 claims
- Losartan Potassium60 claims
- Potassium Chloride55 claims
- Farxiga36 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.
Bills Medicare through 2 group practices
- Nephrology Consultants OF Northwest Ohio, IncToledo, OH
- Promedica Central PhysiciansToledo, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allen L. Flickinger among 499 nephrology physician records in Ohio
Allen L. Flickinger, MD is one of 499 nephrology physician records with a practice address in Ohio. 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 14% of them.
- NPI issued2006 · 14% of these records are older, 52% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1988 · median 2002 among the 374 with a school on file
- Record last updated2020 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Ohio
There are 499 nephrology physician records in Ohio.
All 499 in Ohio → Every provider in Toledo → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Aws Aljanabi, MDToledo, OH 436061467825711
- Nina Alsabbagh, MDToledo, OH 436061952376816
- Arjun Das, M.D.Toledo, OH 436061811170533
- Ramy Fayad, M.D.Toledo, OH 436061316069412
- Mohamed Amin Kadoura, MDToledo, OH 436061134350523
- Vidhit Puri, D.O.Toledo, OH 436061295153567
- Syed Abidi, M.D.Toledo, OH 436081831196195
- Sonalika Agarwal, M.D.Toledo, OH 436081366889131
Common questions
What is Allen L. Flickinger, MD's NPI number?
Allen L. Flickinger, MD's National Provider Identifier (NPI) is 1538137229, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Allen L. Flickinger, MD located?
The NPPES record lists a practice address at 2109 Hughes, Toledo, OH, 43606. Phone: (419) 479-2650. Providers update this record themselves, so call before visiting.
How can I verify Allen L. Flickinger, MD's license?
NPPES lists Ohio license number 5855, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Allen L. Flickinger, MD prescribe under Medicare Part D?
In 2024, Allen L. Flickinger, MD had 817 Medicare Part D claims for 125 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.