Cynthia T. Lan, MD
Hematology & Oncology Physician · Dallas, TX
Cynthia T. Lan, MD is a hematology & oncology physician with a practice address in Dallas, Texas, and NPI 1457572869, issued on May 1, 2007. Check the license (Texas M1864, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cynthia T. Lan
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- M1864 TX
A106611 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5323 Harry Hines Blvd, Dallas, TX 75390
- Phone
- (214) 648-1931
- Enumerated
- May 1, 2007
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090925000218); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →
Also registered at 5323 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cynthia T. Lan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M1864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
663 Medicare Part D claims for 176 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 60 claims were for opioids.
Most prescribed
- Anastrozole172 claims
- Letrozole61 claims
- Tamoxifen Citrate46 claims
- Ibrance41 claims
- Hydrocodone-Acetaminophen38 claims
- Hydroxyurea27 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 one group practice
- Permanente Medical Group IncModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia T. Lan among 922 hematology & oncology physician records in Texas
Cynthia T. Lan, MD is one of 922 hematology & oncology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 47% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2002 · median 2004 among the 691 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
All 922 in Texas → Every provider in Dallas → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mary Auchus, MDDallas, TX 753901235198359
- David Auerbach, MDDallas, TX 753901205896297
- Robert Collins, MDDallas, TX 753901851350979
- Kevin Courtney, M.D.Dallas, TX 753901346215001
- Jonathan Dowell, MDDallas, TX 753901497724983
- Barbara Haley, MDDallas, TX 753901518936087
- Sandra Hofmann, MD PHDDallas, TX 753901306805437
- Randall Hughes, MDDallas, TX 753901417916537
Common questions
What is Cynthia T. Lan, MD's NPI number?
Cynthia T. Lan, MD's National Provider Identifier (NPI) is 1457572869, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia T. Lan, MD located?
The NPPES record lists a practice address at 5323 Harry Hines Blvd, Dallas, TX, 75390. Phone: (214) 648-1931. Providers update this record themselves, so call before visiting.
How can I verify Cynthia T. Lan, MD's license?
NPPES lists Texas license number M1864, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cynthia T. Lan, MD prescribe under Medicare Part D?
In 2024, Cynthia T. Lan, MD had 663 Medicare Part D claims for 176 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.