Individual provider

Lisa Lee, M.D.

Hematology & Oncology Physician Hematology (Internal Medicine) Physician Medicare enrolled

Lisa Lee, M.D. is a Hematology & Oncology Physician in Irvine, CA, registered under NPI 1144583733. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.

Getting there

The practice address on file is 1000 FIVEPOINT # 1000A, Irvine, CA 92618. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

1000 FIVEPOINT # 1000A, Irvine, CA 92618 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
A156461 CA Hematology & Oncology Physician primary
A156461 CA Hematology (Internal Medicine) Physician

This provider holds licence A156461 issued in CA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Hematology/oncology
PAC ID
3476842113

Medicare enrolment is recorded as approved under the provider type Practitioner - Hematology/oncology. This means the provider is enrolled to bill Medicare, though it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

What Hematology & Oncology covers

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered. NUCC Health Care Provider Taxonomy, code 207RH0003X
Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

All registered taxonomy codes

This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
207RH0003X Hematology & Oncology Physician Hematology & Oncology A156461 CA primary
207RH0000X Hematology (Internal Medicine) Physician Hematology A156461 CA

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1144583733 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateJun 19, 2012
Last updatedJun 4, 2025
StatusActive
Sole proprietorNo
CredentialM.D.
Practice address 1000 FIVEPOINT # 1000A
Irvine, CA 92618
(949) 671-4673
Fax (949) 671-4329
Mailing address PO BOX 512185
Los Angeles, CA 90051
This record was updated on Jun 4, 2025, which is recent enough that the contact details are likely still accurate.

Number check

1144583733 passes the NPI check digit test The final digit 3 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 1 4 4 5 8 3 7 3
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 1 8 4 1 8 6 7 6

Sum = 67 · next multiple of 10 = 70 · check digit = 3 · actual last digit = 3

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1144583733?
NPI 1144583733 is the National Provider Identifier assigned to Lisa Lee, M.D. in Irvine, CA. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Hematology & Oncology cover?
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of…
How do I contact Lisa Lee, M.D.?
The phone number on file with NPPES is (949) 671-4673, last updated Jun 4, 2025. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Lisa Lee, M.D. accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1144583733 a valid number?
Yes. 1144583733 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.