D O. Cotton, MD
Internal Medicine Physician · Whittier, CA
D O. Cotton, MD is an internal medicine physician with a practice address in Whittier, California, and NPI 1053328757, issued on Aug 2, 2006. Check the license (California A35770, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- D O. Cotton
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A35770 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12474 E Washington BL, Whittier, CA 90602
- Phone
- (562) 698-9779
- Enumerated
- Aug 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 698-1920
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify D O. Cotton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A35770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,135 Medicare Part D claims for 191 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 126 claims were for opioids.
Most prescribed
- Atorvastatin Calcium209 claims
- Amlodipine Besylate128 claims
- Lisinopril128 claims
- Metformin Hcl122 claims
- Losartan Potassium120 claims
- Levothyroxine Sodium107 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.
D O. Cotton among 17,696 internal medicine physician records in California
D O. Cotton, MD is one of 17,696 internal medicine 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 internal medicine physician records list a practice address in Whittier
They are 49 of the 2,836 NPPES records with a practice address in Whittier, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Whittier → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Borba, M.D.Whittier, CA 906021306033113
- Cheryl Rachel EspirituWhittier, CA 906021386853323
- Rami Horani, MDWhittier, CA 906021225340227
- Jerry Huang, MDWhittier, CA 906021366410714
- Rajnish Jandial, M.D.Whittier, CA 906021639102346
- Gang Li, MDWhittier, CA 906021346284353
- Daksha Mehta, M.D.Whittier, CA 906021982622346
- George Pang, M.D.Whittier, CA 906021760514426
Common questions
What is D O. Cotton, MD's NPI number?
D O. Cotton, MD's National Provider Identifier (NPI) is 1053328757, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is D O. Cotton, MD located?
The NPPES record lists a practice address at 12474 E Washington BL, Whittier, CA, 90602. Phone: (562) 698-9779. Providers update this record themselves, so call before visiting.
How can I verify D O. Cotton, MD's license?
NPPES lists California license number A35770, 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 D O. Cotton, MD prescribe under Medicare Part D?
In 2024, D O. Cotton, MD had 3,135 Medicare Part D claims for 191 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.