Allison M. Tjan, PA-C
Physician Assistant · Cleveland, OH
Allison M. Tjan, PA-C is a physician assistant with a practice address in Cleveland, Ohio, and NPI 1386607240, issued on Apr 10, 2006. Check the license (Ohio 50001848, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Allison M. Tjan
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 50001848 OH
Self-reported in NPPES; status is on the state search - Practice location
- 18101 Lorain Ave, Cleveland, OH 44111
- Phone
- (216) 476-7310
- Enumerated
- Apr 10, 2006
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20060517000046); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 5,325 in Ohio → Look up another NPI →
Also registered at 18101 Lorain Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Fatima AbdeljaleelStudent in an Organized Health Care Education/Training Program1407587553
- Bader Abou Shaar, MDStudent in an Organized Health Care Education/Training Program1124863170
- Walaa Abu Alya, MDInternal Medicine Physician1891428082
Verify Allison M. Tjan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 50001848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average physician assistant in 2024
259 Medicare Part D claims for 67 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Metoprolol Tartrate61 claims
- Oxycodone Hcl34 claims
- Atorvastatin Calcium26 claims
- Furosemide25 claims
- Klor-Con M2021 claims
- Tramadol Hcl19 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: $50.76
3 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
One hospital affiliation
- Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Allison M. Tjan among 5,325 physician assistant records in Ohio
Allison M. Tjan, PA-C is one of 5,325 physician assistant records with a practice address in Ohio. 80% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 87% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2002 · median 2019 among the 3,621 with a school on file
- Record last updated2022 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
720 physician assistant records list a practice address in Cleveland
They are 720 of the 30,748 NPPES records with a practice address in Cleveland, and 5,325 physician assistant records in Ohio.
All 5,325 in Ohio → Every provider in Cleveland → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Florin Florian, DMD, PA-CCleveland, OH 441111205819463
- Marius Florian, PA-CCleveland, OH 441111598749053
- Tatyana Gabyak, PA-CCleveland, OH 441111124007786
- Nancy Habermann, PA-CCleveland, OH 441111023099280
- Judy Lewis-Okoroafor, PA-CCleveland, OH 441111982685137
- Kathleen Mechir, PA-CCleveland, OH 441111912956483
- Therese Miller, PA-CCleveland, OH 441111679556708
- James Nahrstedt, PA-CCleveland, OH 441111871579771
Common questions
What is Allison M. Tjan, PA-C's NPI number?
Allison M. Tjan, PA-C's National Provider Identifier (NPI) is 1386607240, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Allison M. Tjan, PA-C located?
The NPPES record lists a practice address at 18101 Lorain Ave, Cleveland, OH, 44111. Phone: (216) 476-7310. Providers update this record themselves, so call before visiting.
How can I verify Allison M. Tjan, PA-C's license?
NPPES lists Ohio license number 50001848, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Allison M. Tjan, PA-C prescribe under Medicare Part D?
In 2024, Allison M. Tjan, PA-C had 259 Medicare Part D claims for 67 beneficiaries; the average among physician assistant prescribers was 830. 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.