David R. Riker, MD
Pulmonary Disease Physician · San Diego, CA
David R. Riker, MD is a pulmonary disease physician with a practice address in San Diego, California, and NPI 1164405528, issued on Nov 21, 2005. Check the license (California C53916, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David R. Riker
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- C53916 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (617) 939-6943
- Enumerated
- Nov 21, 2005
- Record last updated
- May 21, 2026
- Fax
- (858) 822-5338
- Medicaid ID
- 0289991 IA
- Medicare enrollment
- Enrolled (PECOS I20100127000529); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 1999
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristy AbelCertified Registered Nurse Anesthetist1962113035
- Paula Abeleda, NPFamily Nurse Practitioner1558945022
Verify David R. Riker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C53916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
585 Medicare Part D claims for 34 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 11 claims were for opioids.
Most prescribed
- Ipratropium-Albuterol108 claims
- Eliquis20 claims
- Gabapentin19 claims
- Pregabalin19 claims
- Albuterol Sulfate18 claims
- Lisinopril14 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): 26.6 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).
Industry payments in 2024: $3,955.58
2 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Cook Incorporated. The 8,806 providers of this specialty with any payment received $5,159.88 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 2 group practices
- NR Medical AssociatesSan Diego, CA
- ON Call Specialists Medical Group OF San Diego IncChula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David R. Riker among 1,443 pulmonary disease physician records in California
David R. Riker, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1999 · median 2002 among the 1,061 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in San Diego → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Zea Borok, M.D.San Diego, CA 921031750317251
- Antonino Catanzaro, M.D.San Diego, CA 921031336174002
- Houman Dahi, MDSan Diego, CA 921031598732604
- Smita Desai, D.O.San Diego, CA 921031659339745
- Peter Fedullo, M.D.San Diego, CA 921031427073683
- Mark Fuster, M.D.San Diego, CA 921031972537025
- Gregg Garner, D.O.San Diego, CA 921031023006418
- Hassan Haddadin, M.DSan Diego, CA 921031710918388
Common questions
What is David R. Riker, MD's NPI number?
David R. Riker, MD's National Provider Identifier (NPI) is 1164405528, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David R. Riker, MD located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (617) 939-6943. Providers update this record themselves, so call before visiting.
How can I verify David R. Riker, MD's license?
NPPES lists California license number C53916, 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 David R. Riker, MD prescribe under Medicare Part D?
In 2024, David R. Riker, MD had 585 Medicare Part D claims for 34 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is David R. Riker, MD's MIPS final score?
The 2023 MIPS final score is 26.6 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.