Ira E. Opatowsky, MD
Specialist · Lancaster, CA
Ira E. Opatowsky, MD is a specialist with a practice address in Lancaster, California, and NPI 1659374445, issued on May 24, 2005. Check the license (California G73429, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ira E. Opatowsky
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- G73429 CA
Self-reported in NPPES; status is on the state search - Practice location
- 42543 8TH St W, Lancaster, CA 93534
- Phone
- (661) 948-4373
- Enumerated
- May 24, 2005
- Record last updated
- Jul 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (661) 948-6216
- Medicaid ID
- 00G734290 CA
- Medicare enrollment
- Enrolled (PECOS I20080122000402); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 42543 8TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Quynh Phan, ODCorneal and Contact Management Optometrist1538151873
Verify Ira E. Opatowsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G73429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average specialist in 2024
2,141 Medicare Part D claims for 582 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Latanoprost399 claims
- Prednisolone Acetate338 claims
- Moxifloxacin250 claims
- Brimonidine Tartrate132 claims
- Bromfenac Sodium131 claims
- Neomycin-Polymyxin-Dexameth128 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $131.21
6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Ira E. Opatowsky among 5,749 specialist records in California
Ira E. Opatowsky, MD is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1990 · median 1989 among the 1,075 with a school on file
- Record last updated2008 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Lancaster → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Javeed Ahmed, MDLancaster, CA 935341689627051
- Pradeep Damle, M.D.Lancaster, CA 935341770563116
- Wafaa Farid, MDLancaster, CA 935341811002082
- Sameh Gadallah, M.D.Lancaster, CA 935341205897535
- Emma Graber, M.D.Lancaster, CA 935341922057918
- Syed Hasan, MDLancaster, CA 935341528010998
- Pramod Kadambi, M.D.Lancaster, CA 935341114988441
- Dennis Latuno, M.D.Lancaster, CA 935341205841087
Common questions
What is Ira E. Opatowsky, MD's NPI number?
Ira E. Opatowsky, MD's National Provider Identifier (NPI) is 1659374445, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ira E. Opatowsky, MD located?
The NPPES record lists a practice address at 42543 8TH St W, Lancaster, CA, 93534. Phone: (661) 948-4373. Providers update this record themselves, so call before visiting.
How can I verify Ira E. Opatowsky, MD's license?
NPPES lists California license number G73429, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ira E. Opatowsky, MD prescribe under Medicare Part D?
In 2024, Ira E. Opatowsky, MD had 2,141 Medicare Part D claims for 582 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Ira E. Opatowsky, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.