NPPES file of Aug 9, 2026

Jason T. Hamamoto, M.D.

Pain Medicine (Physical Medicine & Rehabilitation) Physician · Citrus Heights, CA

Jason T. Hamamoto, M.D. is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Citrus Heights, California, and NPI 1700317260, issued on Mar 25, 2017. Check the license (California A184697, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700317260
Name
Jason T. Hamamoto
Credential
M.D.
Primary taxonomy
Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
License number
A184697 CA
Self-reported in NPPES; status is on the state search
Practice location
7115 Greenback LN FL 1, Citrus Heights, CA 95621
Phone
(916) 536-2442
Enumerated
Mar 25, 2017
Record last updated
Apr 29, 2026
Fax
(916) 536-2598
Medicare enrollment
Enrolled (PECOS I20241119001871); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2017
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 290 in California → Look up another NPI →

Also registered at 7115 Greenback LN FL 1

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shaoxing Barnes, PA-CPhysician Assistant1043624786
  2. Pallavi Battar, NPFamily Nurse Practitioner1255067690
  3. Sonia D'Mello, ODOptometrist1558939835
  4. Brian Kim, M.D.Pain Medicine (Anesthesiology) Physician1902241573
  5. Karen Taugher, O.D.Optometrist1518975242

Verify Jason T. Hamamoto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A184697    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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98% fewer Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024

35 Medicare Part D claims for 20 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Jason Hamamoto35
  2. Specialty average1,479

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: $12,819.38

35 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 1,126 providers of this specialty with any payment received $2,193.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jason Hamamoto$12,819
  2. Specialty average$2,193

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Dignity Health Medical FoundationSacramento, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jason T. Hamamoto among 290 pain medicine (physical medicine & rehabilitation) physician records in California

Jason T. Hamamoto, M.D. is one of 290 pain medicine (physical medicine & rehabilitation) physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 83% of them.

  • NPI issued2017 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2017 · median 2005 among the 196 with a school on file
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in California

There are 290 pain medicine (physical medicine & rehabilitation) physician records in California.

All 290 in California → Every provider in Citrus Heights → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →

The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes

  1. Akbar Khan, D.O.Carmichael, CA 956081528383833
  2. Jordan Garman, D.O.Mather, CA 956551710240791
  3. Joycelin Leong, DOMather, CA 956551053798512
  4. Christopher Brophy, MDRoseville, CA 956611063918506
  5. David Char, M.D.Roseville, CA 956611619066909
  6. Bingtao Lin, MDRoseville, CA 956611407277155
  7. James McGregor, MDRoseville, CA 956611578668695
  8. Morgan O'Connor, MDRoseville, CA 956611003227760

Common questions

What is Jason T. Hamamoto, M.D.'s NPI number?

Jason T. Hamamoto, M.D.'s National Provider Identifier (NPI) is 1700317260, issued on Mar 25, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Jason T. Hamamoto, M.D. located?

The NPPES record lists a practice address at 7115 Greenback LN FL 1, Citrus Heights, CA, 95621. Phone: (916) 536-2442. Providers update this record themselves, so call before visiting.

How can I verify Jason T. Hamamoto, M.D.'s license?

NPPES lists California license number A184697, 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 Jason T. Hamamoto, M.D. prescribe under Medicare Part D?

In 2024, Jason T. Hamamoto, M.D. had 35 Medicare Part D claims for 20 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.