John D. Adams, D.O.
Internal Medicine Physician · Long Beach, CA
John D. Adams, D.O. is an internal medicine physician with a practice address in Long Beach, California, and NPI 1801852900, issued on Apr 26, 2006. Check the license (California 20A4561, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John D. Adams
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A4561 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2777 Pacific Ave, Long Beach, CA 90806
- Phone
- (562) 426-6571
- Enumerated
- Apr 26, 2006
- Record last updated
- Jun 18, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (562) 595-8695
- Medicaid ID
- 00AX45610 CA
- Medicare enrollment
- Enrolled (PECOS I20050425000423); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1973
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2777 Pacific Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John D. Adams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A4561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.1 times the Medicare Part D claims of the average internal medicine physician in 2024
25,697 Medicare Part D claims for 1,109 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 297 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,776 claims
- Amlodipine Besylate1,022 claims
- Gabapentin659 claims
- Metformin Hcl604 claims
- Losartan Potassium586 claims
- Lisinopril566 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: $241.78
6 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Community Medical Wellness Centers USALong Beach, CA
- The Roads Foundation, IncCompton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John D. Adams among 17,696 internal medicine physician records in California
John D. Adams, D.O. 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 fileYes · 63% of these records are
- Graduated1973 · median 2004 among the 11,065 with a school on file
- Record last updated2009 · 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).
221 internal medicine physician records list a practice address in Long Beach
They are 221 of the 13,650 NPPES records with a practice address in Long Beach, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Long Beach → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Asbill, M.D.Long Beach, CA 908061558310896
- Alla Gartsman, M.D.Long Beach, CA 908061457317133
- Sabrina Harper, MDLong Beach, CA 908061023081924
- Richard Im, MDLong Beach, CA 908061972586840
- Tina Kitajima, M.D.Long Beach, CA 908061033164892
- Angela Lamotte, M.D.Long Beach, CA 908061538166764
- Raymond Lee, M.D.Long Beach, CA 908061295790277
- Peter Leidl, MDLong Beach, CA 908061447257688
Common questions
What is John D. Adams, D.O.'s NPI number?
John D. Adams, D.O.'s National Provider Identifier (NPI) is 1801852900, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John D. Adams, D.O. located?
The NPPES record lists a practice address at 2777 Pacific Ave, Long Beach, CA, 90806. Phone: (562) 426-6571. Providers update this record themselves, so call before visiting.
How can I verify John D. Adams, D.O.'s license?
NPPES lists California license number 20A4561, 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 John D. Adams, D.O. prescribe under Medicare Part D?
In 2024, John D. Adams, D.O. had 25,697 Medicare Part D claims for 1,109 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.