Colin Bacorn, MD
Ophthalmology Physician · Chula Vista, CA
Colin Bacorn, MD is an ophthalmology physician with a practice address in Chula Vista, California, and NPI 1932640109, issued on Mar 20, 2017. Check the license (California A159867, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Colin Bacorn
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A159867 CA
Self-reported in NPPES; status is on the state search - Practice location
- 835 Third Ave, Chula Vista, CA 91911
- Phone
- (619) 425-7755
- Enumerated
- Mar 20, 2017
- Record last updated
- Sep 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20250819001147); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 835 Third Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hamid Mani, M.D.Retina Specialist (Ophthalmology) Physician1700838141
- Majid Mani, M.D.Retina Specialist (Ophthalmology) Physician1043261373
Verify Colin Bacorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A159867Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average ophthalmology physician in 2024
643 Medicare Part D claims for 408 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Erythromycin403 claims
- Neomycin-Polymyxin-Dexameth51 claims
- Cephalexin33 claims
- Tramadol Hcl24 claims
- Hydrocodone-Acetaminophen22 claims
- Doxycycline Monohydrate19 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- California Retina Associates, LPTemecula, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colin Bacorn among 2,899 ophthalmology physician records in California
Colin Bacorn, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2001 among the 1,907 with a school on file
- Record last updated2025 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Chula Vista → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Parnian Arjmand, MDChula Vista, CA 919111083387633
- Arnett Carraby, MDChula Vista, CA 919111366530792
- Sara Khandan, MDChula Vista, CA 919111063850808
- Emma McDonnellChula Vista, CA 919111023357670
- Rusdeep Mundae, MDChula Vista, CA 919111811488687
- James Peairs, M.D.Chula Vista, CA 919111609135623
- Martin Rajsbaum, M.D.Chula Vista, CA 919111912999400
- Barry Scher, MDChula Vista, CA 919111235106899
Common questions
What is Colin Bacorn, MD's NPI number?
Colin Bacorn, MD's National Provider Identifier (NPI) is 1932640109, issued on Mar 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Colin Bacorn, MD located?
The NPPES record lists a practice address at 835 Third Ave, Chula Vista, CA, 91911. Phone: (619) 425-7755. Providers update this record themselves, so call before visiting.
How can I verify Colin Bacorn, MD's license?
NPPES lists California license number A159867, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Colin Bacorn, MD prescribe under Medicare Part D?
In 2024, Colin Bacorn, MD had 643 Medicare Part D claims for 408 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Colin Bacorn, MD's MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.