Allison M. Tjan, PA-C
- Medicare patients, 2024
- 22
- Part D claims, 2024
- 259
- Hospital affiliations
- 4
- Industry payments
- $306
- Medical group
- 1
- Practice address
- 18101 Lorain Avenue, Cleveland, OH 44111
- Practice phone
- Call (216) 476-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Allison Tjan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Allison M. Tjan is a physician assistant in Cleveland, Ohio
Allison Tjan practices at Fairview Hospital in Cleveland, Ohio, part of The Cleveland Clinic Foundation.
Allison Tjan's NPI, 1386607240, was assigned on April 10, 2006. Allison Tjan holds Ohio license 50001848.
- NPI
- 1386607240NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991716490
- NPI enumeration date
- April 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (216) 476-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Allison M. Tjan practices at Fairview Hospital in Cleveland, Ohio
Allison Tjan's primary practice is Fairview Hospital, at 18101 Lorain Avenue, Cleveland, OH 44111 in Cuyahoga County. The practice phone is (216) 476-7000.
- Fairview Hospital18101 Lorain Avenue, Cleveland, OH 44111 · Cuyahoga CountyPhone(216) 476-7000
Source: Dmand AI Affiliation Data
Allison M. Tjan is affiliated with 6 sites of care and 1 medical group
Allison Tjan's primary practice is Fairview Hospital in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Allison Tjan is also affiliated with Cleveland Clinic Main Campus. The medical group on file is Cleveland Clinic. Dmand AI also links Allison Tjan to 2 more hospitals, 1 home health agency and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Allison M. Tjan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Allison Tjan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fairview Hospital | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The Cleveland Clinic Foundation and 6.2K+ hospitals, with verified contacts in the same login.
Allison M. Tjan is one of 4,524 physician assistants in Ohio
Physician assistant is Allison Tjan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Allison Tjan is licensed in Ohio.
Specialties and state licenses
- Physician assistant, OhioPrimary
Physician assistants near Allison Tjan
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Allison M. Tjan treated 22 Medicare patients in 2024, average age 77
CMS counts 22 Medicare patients who saw Allison Tjan in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Allison Tjan's median patient age at 68, with 31% women.
Allison Tjan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Allison Tjan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis68%
- Chronic kidney disease55%
- Heart failure55%
Share of Medicare patients with each condition. A patient can have several.
Allison Tjan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women31%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Allison M. Tjan wrote 259 Medicare Part D claims in 2024
In 2024, Allison Tjan wrote 259 Medicare Part D claims for 67 patients. 95% of them were for generic drugs.
Allison Tjan's Part D claims by kind of drug, 2024
- Generic245 claims95%
- Brand-name and other14 claims5%
Drug classes CMS tracks in Allison Tjan's Part D claims, 2024
- Opioids21%54 of 259 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Allison M. Tjan takes part in Medicare
Allison Tjan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Allison M. Tjan received $306 in industry payments in 2025
CMS Open Payments shows 5 general payments to Allison Tjan from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $254.
Companies that paid Allison Tjan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Allison M. Tjan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Allison M. Tjan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Allison M. Tjan's NPI number?
Allison M. Tjan's NPI number is 1386607240. It was assigned on April 10, 2006, and it is active in the NPI Registry.
What does Allison M. Tjan specialize in?
Allison M. Tjan is a physician assistant in Cleveland, Ohio. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Allison M. Tjan practice?
Allison Tjan practices at 18101 Lorain Avenue, Cleveland, OH 44111. Allison Tjan's primary practice is Fairview Hospital in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Allison Tjan to 2 hospitals, 1 home health agency and 1 hospital outpatient department.
What is Allison M. Tjan's office phone number?
The practice phone on file for Allison Tjan is (216) 476-7000.
What is Allison M. Tjan's medical license number?
Allison Tjan holds Ohio license 50001848.
Which hospitals is Allison M. Tjan affiliated with?
Allison Tjan practices at Fairview Hospital in Cleveland, Ohio. Allison Tjan is also affiliated with Cleveland Clinic Main Campus. Dmand AI links Allison Tjan to 2 more hospitals.
What medical group is Allison M. Tjan part of?
Allison Tjan is linked to Cleveland Clinic.
Does Allison M. Tjan accept Medicare?
Yes. CMS lists Allison Tjan as accepting Medicare assignment.
How many Medicare patients does Allison M. Tjan see?
CMS counts 22 Medicare patients who saw Allison Tjan in 2024, with an average age of 77.
Has Allison M. Tjan received payments from drug or device companies?
CMS Open Payments shows $306 in general payments to Allison Tjan from 4 companies from 2025 to 2025. The largest total came from AtriCure, Inc.
How long has Allison M. Tjan been practicing?
Allison Tjan graduated from medical school in 2002, 24 years ago.
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