NPPES file of Aug 9, 2026

Charlene D. Chang-Smith, MD

Ophthalmology Physician · Oroville, CA

Charlene D. Chang-Smith, MD is an ophthalmology physician with a practice address in Oroville, California, and NPI 1871550939, issued on May 1, 2006. Check the license (California A070256, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871550939
Name
Charlene D. Chang-Smith
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A070256 CA
Self-reported in NPPES; status is on the state search
Practice location
2809 Olive Hwy, Oroville, CA 95966
Phone
(530) 532-7650
Enumerated
May 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00A702560 CA
Medicare enrollment
Enrolled (PECOS I20040802001390); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2809 Olive Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brian Ching, M.D.Specialist1306945936
  2. Marshall Ching, M.D.Specialist1215036835
  3. Sultan Chopan, MDFamily Medicine Physician1285637744
  4. Love Dalal, M.D.Specialist1992768360
  5. Matthew Fine, M.D.Internal Medicine Physician1760437446
  6. Rigoberto GutierrezObstetrics & Gynecology Physician1124023254

Verify Charlene D. Chang-Smith in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A070256
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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21% more Medicare Part D claims than the average ophthalmology physician in 2024

1,844 Medicare Part D claims for 399 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Charlene Chang-Smith1,844
  2. Specialty average1,518

Most prescribed

  1. Latanoprost320 claims
  2. Ketorolac Tromethamine209 claims
  3. Azelastine Hcl179 claims
  4. Timolol Maleate168 claims
  5. Prednisolone Acetate165 claims
  6. Erythromycin147 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): 73.3 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.

  1. Qualityout of 100 · 30% of the final score36.9
  2. Costout of 100 · 30%57.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $5,715.27

6 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charlene Chang-Smith$5,715.27
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Orohealth Corporation A Non Profit Healthcare SystemOroville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Charlene D. Chang-Smith among 2,899 ophthalmology physician records in California

Charlene D. Chang-Smith, 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 45% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1996 · median 2001 among the 1,907 with a school on file
  • Record last updated2007 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Joanne Cochrane, M.D.Oroville, CA 959661487650560
  2. Richard Cochrane, M.D.Oroville, CA 959661093711079
  3. John Johansson, MD PHDOroville, CA 959661447284344
  4. Thu-Trang Phung, M.D.Oroville, CA 959661093764052
  5. Eric Stevens, MD/PHDOroville, CA 959661972761815
  6. George Boutros, MDParadise, CA 959691699798835
  7. Jennifer Ensminger, M.D.Paradise, CA 959691184600108
  8. David Gajda, M.D.Paradise, CA 959691396839395

Common questions

What is Charlene D. Chang-Smith, MD's NPI number?

Charlene D. Chang-Smith, MD's National Provider Identifier (NPI) is 1871550939, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charlene D. Chang-Smith, MD located?

The NPPES record lists a practice address at 2809 Olive Hwy, Oroville, CA, 95966. Phone: (530) 532-7650. Providers update this record themselves, so call before visiting.

How can I verify Charlene D. Chang-Smith, MD's license?

NPPES lists California license number A070256, 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 Charlene D. Chang-Smith, MD prescribe under Medicare Part D?

In 2024, Charlene D. Chang-Smith, MD had 1,844 Medicare Part D claims for 399 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Charlene D. Chang-Smith, MD's MIPS final score?

The 2023 MIPS final score is 73.3 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.