Richard Tak-Kam Ling, M.D., PH.D.
Ophthalmology Physician · Bakersfield, CA
Richard Tak-Kam Ling, M.D., PH.D. is an ophthalmology physician with a practice address in Bakersfield, California, and NPI 1013927136, issued on Aug 9, 2006. Check the license (California G654520, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Tak-Kam Ling
- Credential
- M.D., PH.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G654520 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2325 17TH St, Bakersfield, CA 93301
- Phone
- (661) 321-9633
- Enumerated
- Aug 9, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (661) 631-8888
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Verify Richard Tak-Kam Ling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G654520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average ophthalmology physician in 2024
131 Medicare Part D claims for 29 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Azelastine Hcl34 claims
- Latanoprost29 claims
- Timolol Maleate18 claims
- Lumigan16 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.
Richard Tak-Kam Ling among 2,899 ophthalmology physician records in California
Richard Tak-Kam Ling, M.D., PH.D. 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 fileNo · 66% of these records are
- 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.
All 2,899 in California → Every provider in Bakersfield → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- George Alexandrakis, M.D.Bakersfield, CA 933011922167501
- William Bartlett, MDBakersfield, CA 933011962579979
- Helen Jiang, M.D.Bakersfield, CA 933011043624588
- Donald Tohm, M.D.Bakersfield, CA 933011669407268
- Kai Wong, M.D.Bakersfield, CA 933011700950599
- Cary Freeman, MDBakersfield, CA 933061265467583
- David Hair, M.D.Bakersfield, CA 933081518173939
- Sandeep Walia, M.D.Bakersfield, CA 933081750791661
Common questions
What is Richard Tak-Kam Ling, M.D., PH.D.'s NPI number?
Richard Tak-Kam Ling, M.D., PH.D.'s National Provider Identifier (NPI) is 1013927136, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Tak-Kam Ling, M.D., PH.D. located?
The NPPES record lists a practice address at 2325 17TH St, Bakersfield, CA, 93301. Phone: (661) 321-9633. Providers update this record themselves, so call before visiting.
How can I verify Richard Tak-Kam Ling, M.D., PH.D.'s license?
NPPES lists California license number G654520, 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 Richard Tak-Kam Ling, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Richard Tak-Kam Ling, M.D., PH.D. had 131 Medicare Part D claims for 29 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.