Irwin Lance Lifrak, M.D.
Internal Medicine Physician · Wilmington, DE
Irwin Lance Lifrak, M.D. is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1538175047, issued on Aug 1, 2006. Check the license (Delaware C10002238, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Irwin Lance Lifrak
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C10002238 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1010 N Union St, Wilmington, DE 19805
- Phone
- (302) 654-7317
- Enumerated
- Aug 1, 2006
- Record last updated
- Jul 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (302) 654-3042
- Medicaid ID
- 000548301 DE
- Medicare enrollment
- Enrolled (PECOS I20070426000534); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 1010 N Union St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharif GreenAddiction (Substance Use Disorder) Counselor1336675420
Verify Irwin Lance Lifrak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C10002238Check 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 internal medicine physician in 2024
985 Medicare Part D claims for 68 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Buprenorphine-Naloxone390 claims
- Amlodipine Besylate55 claims
- Atorvastatin Calcium48 claims
- Levothyroxine Sodium43 claims
- Metformin Hcl29 claims
- Hydrochlorothiazide24 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: $13.99
1 payment: food and beverage; the largest payer was Indivior Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Irwin Lance Lifrak among 600 internal medicine physician records in Delaware
Irwin Lance Lifrak, M.D. is one of 600 internal medicine physician records with a practice address in Delaware. 83% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 68% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1980 · median 2008 among the 414 with a school on file
- Record last updated2008 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 internal medicine physician records list a practice address in Wilmington
They are 107 of the 6,291 NPPES records with a practice address in Wilmington, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Wilmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ashlesha Chaughule, M.D.Wilmington, DE 198051528018702
- Manisha Dhuria, MDWilmington, DE 198051780634311
- Jarita Dihenkar, MDWilmington, DE 198051326098450
- Shilpa Garg, MDWilmington, DE 198051588613996
- Donald Hayes, MDWilmington, DE 198051417934589
- Cynthia Heldt, MDWilmington, DE 198051679550750
- Thomas Hilton, MDWilmington, DE 198051912983339
- Susan Keith, MDWilmington, DE 198051013968130
Common questions
What is Irwin Lance Lifrak, M.D.'s NPI number?
Irwin Lance Lifrak, M.D.'s National Provider Identifier (NPI) is 1538175047, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irwin Lance Lifrak, M.D. located?
The NPPES record lists a practice address at 1010 N Union St, Wilmington, DE, 19805. Phone: (302) 654-7317. Providers update this record themselves, so call before visiting.
How can I verify Irwin Lance Lifrak, M.D.'s license?
NPPES lists Delaware license number C10002238, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Irwin Lance Lifrak, M.D. prescribe under Medicare Part D?
In 2024, Irwin Lance Lifrak, M.D. had 985 Medicare Part D claims for 68 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.