Gabriel Noah Waterman, MD, MBA
Internal Medicine Physician · Long Beach, CA
Gabriel Noah Waterman, MD, MBA is an internal medicine physician with a practice address in Long Beach, California, and NPI 1639556434, issued on Apr 30, 2015. Check the license (California A144802, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gabriel Noah Waterman
- Credential
- MD, MBA
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A144802 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Kilroy Airport Way Ste 100, Long Beach, CA 90806
- Phone
- (888) 828-7226
- Enumerated
- Apr 30, 2015
- Record last updated
- Oct 8, 2025
- Fax
- (424) 222-7755
- Medicaid ID
- GW3232267556 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3800 Kilroy Airport Way Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jose Gonzalez, M.D.Internal Medicine Physician1770893117
- Valeria Iniesta-GuzmanFamily Nurse Practitioner1629840236
Verify Gabriel Noah Waterman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A144802Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average internal medicine physician in 2024
855 Medicare Part D claims for 106 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Furosemide43 claims
- Escitalopram Oxalate36 claims
- Losartan Potassium28 claims
- Atorvastatin Calcium27 claims
- Hydrocodone-Acetaminophen23 claims
- Risperidone23 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.
Gabriel Noah Waterman among 17,696 internal medicine physician records in California
Gabriel Noah Waterman, MD, MBA 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 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2025 · 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
- John Adams, D.O.Long Beach, CA 908061801852900
- 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
Common questions
What is Gabriel Noah Waterman, MD, MBA's NPI number?
Gabriel Noah Waterman, MD, MBA's National Provider Identifier (NPI) is 1639556434, issued on Apr 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Gabriel Noah Waterman, MD, MBA located?
The NPPES record lists a practice address at 3800 Kilroy Airport Way Ste 100, Long Beach, CA, 90806. Phone: (888) 828-7226. Providers update this record themselves, so call before visiting.
How can I verify Gabriel Noah Waterman, MD, MBA's license?
NPPES lists California license number A144802, 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 Gabriel Noah Waterman, MD, MBA prescribe under Medicare Part D?
In 2024, Gabriel Noah Waterman, MD, MBA had 855 Medicare Part D claims for 106 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.