Dr. Diana Lee Tzeng, MD

  • Philadelphia, PA
  • Neurologist
NPI1821288408PAC ID8224187992
Medicare services, 2024
383
Medicare patients, 2024
244
Part D claims, 2024
167
Publications
9
Hospital affiliations
2
Practice address
909 Walnut St, Philadelphia, PA 19107
Practice phone
Call (215) 955-0000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Jefferson University Physicians

Philadelphia, Pennsylvania

See all 4 affiliations

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Dr. Diana Lee Tzeng is a neurologist in Philadelphia, Pennsylvania

Dr. Tzeng practices at Jefferson University Physicians in Philadelphia, Pennsylvania.

Dr. Tzeng's NPI, 1821288408, was assigned on July 30, 2007. Dr. Tzeng graduated from Georgetown University School of Medicine in 2004. Dr. Tzeng holds Pennsylvania license MD432641.

NPI and contact details
Medicare PAC ID
8224187992
NPI enumeration date
July 30, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(215) 955-0000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
48
Medical school graduation
2004

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Diana Lee Tzeng practices at Jefferson University Physicians in Philadelphia, Pennsylvania

Dr. Tzeng's primary practice is Jefferson University Physicians, at 909 Walnut St, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 955-0000.

  • Jefferson University Physicians
    909 Walnut St, Philadelphia, PA 19107 · Philadelphia CountyPhone(215) 955-0000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Diana Lee Tzeng is affiliated with 3 sites of care and 1 medical group

Dr. Tzeng's primary practice is Jefferson University Physicians in Philadelphia, Pennsylvania. Dr. Tzeng is also affiliated with Thomas Jefferson University Hospital. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. Tzeng to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Tzeng

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Diana Lee Tzeng's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tzeng practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Jefferson University PhysiciansAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Diana Lee Tzeng is one of 910 neurologists in Pennsylvania

Neurology is Dr. Tzeng's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Tzeng is licensed in Pennsylvania.

Specialties and state licenses

  • Neurology, PennsylvaniaPrimaryLicense MD432641 · taxonomy 2084N0400X

Neurologists near Dr. Tzeng

Counts of neurologists 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

Dr. Diana Lee Tzeng billed Medicare for 383 services in 2024

CMS data shows 383 Medicare services from Dr. Tzeng across 9 procedure codes in 2024, for 244 Medicare patients. Medicare paid $35,982 for them.

Medicare services, 2024383
Medicare patients244
Paid by Medicare$35,982
Procedure codes9

Dr. Tzeng's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2602024: 38347%

Where Dr. Tzeng's Medicare services took place, 2024

  • In an office5314%
  • In a facility33086%

Dr. Tzeng compared with the Pennsylvania median for neurologists, 2024

  • Dr. Tzeng
  • Pennsylvania median
Medicare services
383vs 31024% above
Medicare patients
244vs 19326% above
Part D claims
130vs 28154% below

Medians across 876 neurologists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Tzeng's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Tzeng

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Diana Lee Tzeng treated 244 Medicare patients in 2024, average age 74

CMS counts 244 Medicare patients who saw Dr. Tzeng in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Tzeng's median patient age at 68, with 50% women.

Medicare patients, 2024244
Average age74
Average risk score1.57
Also on Medicaid16%

Dr. Tzeng's Medicare patients by age, 2024

Dr. Tzeng's Medicare patients by sex, 2024

  • Women12852%
  • Men11648%

Chronic conditions among Dr. Tzeng's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Stroke or TIA75%
  4. Arthritis49%
  5. Ischemic heart disease45%
  6. Mood disorders44%
  7. Diabetes40%
  8. Chronic kidney disease37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Tzeng'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

  • Women50%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Diana Lee Tzeng wrote 167 Medicare Part D claims in 2024

In 2024, Dr. Tzeng wrote 167 Medicare Part D claims for 63 patients. 79% of them were for generic drugs. CMS names the drug for 130 of them, across 6 drugs with 11 or more claims each, at $34,069 in total drug cost. In 2023, CMS named 108 claims across 5 drugs.

Part D claims, 2024167
Drugs named by CMS6
Total drug cost$34,069
Part D patients63

Dr. Tzeng's Part D claims by kind of drug, 2024

  • Generic132 claims79%
  • Brand-name35 claims21%

Dr. Tzeng's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1082024: 13020%

Drugs named by CMS: 6 in 2024, 5 in 2023.

See all prescribing by Dr. Tzeng

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Diana Lee Tzeng offers telehealth to Medicare patients

Dr. Tzeng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tzeng as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Diana Lee Tzeng has 9 publications on record

Dmand AI links 9 papers to Dr. Tzeng, published from 2015 to 2024. 2021 was the busiest year, with 2. The most frequent topics are Stroke and Ischemic Stroke. Dr. Tzeng has published most often in Clin Neurol Neurosurg. Dr. Tzeng's most frequent co-authors are Rodney D. Bell, MD, Robin N. Dharia, MD and Pascal M. Jabbour, MD.

Papers9
Years published2015 to 2024

Dr. Tzeng's papers by year, 2015 to 2024

Topics Dr. Tzeng writes about most

  • Stroke
  • Ischemic Stroke

Dr. Tzeng's most frequent co-authors

Recent publications by Dr. Tzeng

See all 9 publications and co-authors

See who Dr. Tzeng researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tzeng works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Diana Lee Tzeng received $11,841 in industry payments from 2017 to 2024

CMS Open Payments shows 30 general payments to Dr. Tzeng from 7 drug and device companies from 2017 to 2024. Speaker and faculty fees make up the largest share, 34% of the total. Abbott Laboratories paid the most, $9,403.

General payments to Dr. Tzeng by program year, 2017 to 2024

General payments to Dr. Tzeng by kind, 2017 to 2024

$11.8Kin total
  • Speaker and faculty fees$4,00034%
  • Travel and lodging$3,03226%
  • Compensation for serving as faculty or as a speaker for a medical education program$2,00017%
  • Consulting fees$1,86016%
  • Food and beverage$9498%

Companies that paid Dr. Tzeng the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Tzeng

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Diana Lee Tzeng graduated from Georgetown University School of Medicine

Dr. Tzeng graduated from Georgetown University School of Medicine in 2004.

  1. Medical schoolGeorgetown University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Diana Lee Tzeng's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Diana Lee Tzeng

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Diana Lee Tzeng's NPI number?

Dr. Diana Lee Tzeng's NPI number is 1821288408. It was assigned on July 30, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Diana Lee Tzeng?

Dr. Diana Lee Tzeng is a neurologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Diana Lee Tzeng practice?

Dr. Tzeng practices at 909 Walnut St, Philadelphia, PA 19107. Dr. Tzeng's primary practice is Jefferson University Physicians in Philadelphia, Pennsylvania. Dmand AI also links Dr. Tzeng to 1 hospital.

What is Dr. Diana Lee Tzeng's office phone number?

The practice phone on file for Dr. Tzeng is (215) 955-0000.

What is Dr. Diana Lee Tzeng's medical license number?

Dr. Tzeng holds Pennsylvania license MD432641.

Which hospitals is Dr. Diana Lee Tzeng affiliated with?

Dr. Tzeng is affiliated with Thomas Jefferson University Hospital. Dmand AI links Dr. Tzeng to 1 more hospital.

What medical group is Dr. Diana Lee Tzeng part of?

Dr. Tzeng is linked to Jefferson University Physicians.

Does Dr. Diana Lee Tzeng accept Medicare?

Yes. CMS data shows Dr. Tzeng billed Medicare for 383 services in 2024, and Dr. Tzeng accepts Medicare assignment.

Does Dr. Diana Lee Tzeng offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Tzeng as offering telehealth services.

How many Medicare patients does Dr. Diana Lee Tzeng see?

CMS counts 244 Medicare patients who saw Dr. Tzeng in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

What services does Dr. Diana Lee Tzeng bill to Medicare?

In 2024, Dr. Tzeng's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. Diana Lee Tzeng go to medical school?

Dr. Tzeng graduated from Georgetown University School of Medicine in 2004.

What drugs does Dr. Diana Lee Tzeng prescribe most?

In 2024 Medicare Part D data, Dr. Tzeng's most prescribed drugs by claims were Levetiracetam, Clopidogrel and Eliquis.

Has Dr. Diana Lee Tzeng received payments from drug or device companies?

CMS Open Payments shows $11,841 in general payments to Dr. Tzeng from 7 companies from 2017 to 2024. The largest total came from Abbott Laboratories.

How long has Dr. Diana Lee Tzeng been practicing?

Dr. Tzeng graduated from medical school in 2004, 22 years ago.

Does Dr. Diana Lee Tzeng do research?

Dmand AI links 9 publications to Dr. Tzeng, published from 2015 to 2024.

Who does Dr. Diana Lee Tzeng publish with?

Dr. Tzeng's most frequent co-authors are Rodney D. Bell, MD (5 shared papers), Robin N. Dharia, MD (3 shared papers) and Pascal M. Jabbour, MD (3 shared papers).

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