Richard Lang, O.D.
Optometrist · San Ramon, CA
Richard Lang, O.D. is an optometrist with a practice address in San Ramon, California, and NPI 1699347096, issued on Jul 14, 2021. Check the license (California 34948, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard Lang
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34948 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2551 San Ramon Valley Blvd Ste 101, San Ramon, CA 94583
- Phone
- (925) 743-1222
- Enumerated
- Jul 14, 2021
- Record last updated
- Sep 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210920001389); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2021
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Richard Lang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34948Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average optometrist in 2024
48 Medicare Part D claims for 26 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of 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: $298.22
7 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 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.
Bills Medicare through one group practice
- Michael Duong ODSan Ramon, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Lang among 8,308 optometrist records in California
Richard Lang, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 86% of them.
- NPI issued2021 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2021 · median 2008 among the 3,573 with a school on file
- Record last updated2021 · 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 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 optometrist records list a practice address in San Ramon
They are 23 of the 2,281 NPPES records with a practice address in San Ramon, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Ramon → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Nahid Abdali, O.D.San Ramon, CA 945831700210242
- Victoria Chiu, O.D.San Ramon, CA 945831477832574
- Jay Delaney, O.D.San Ramon, CA 945831720086135
- Caryn Ha, O.D.San Ramon, CA 945831215059225
- Saria Iqbal, O.D.San Ramon, CA 945831255696688
- C Stephen Johnson, OD FAAOSan Ramon, CA 945831902804875
- Saira Khan, O.D.San Ramon, CA 945831073668117
- Najla Malak-Majdalani, O.D.San Ramon, CA 945831700921426
Common questions
What is Richard Lang, O.D.'s NPI number?
Richard Lang, O.D.'s National Provider Identifier (NPI) is 1699347096, issued on Jul 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Richard Lang, O.D. located?
The NPPES record lists a practice address at 2551 San Ramon Valley Blvd Ste 101, San Ramon, CA, 94583. Phone: (925) 743-1222. Providers update this record themselves, so call before visiting.
How can I verify Richard Lang, O.D.'s license?
NPPES lists California license number 34948, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Richard Lang, O.D. prescribe under Medicare Part D?
In 2024, Richard Lang, O.D. had 48 Medicare Part D claims for 26 beneficiaries; the average among optometrist prescribers was 277. 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.