Joseph Kwack
Hospice and Palliative Medicine (Internal Medicine) Physician · Santa Monica, CA
Joseph Kwack is a hospice and palliative medicine (internal medicine) physician with a practice address in Santa Monica, California, and NPI 1053739029, issued on Apr 6, 2014. Check the license (California A139386, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Kwack
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License number
- A139386 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1340 15TH St, Santa Monica, CA 90404
- Phone
- (323) 648-1396
- Enumerated
- Apr 6, 2014
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190308000629); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2014
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 260 in California → Look up another NPI →
Also registered at 1340 15TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jane Chen, PT, DPTPhysical Therapist1659990158
- Aubrey JohnsonPhysical Therapy Assistant1942178215
- Irena Tran, DPTPhysical Therapist1386286441
Verify Joseph Kwack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A139386Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024
325 Medicare Part D claims for 88 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 65 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen26 claims
- Fentanyl13 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Kwack among 260 hospice and palliative medicine (internal medicine) physician records in California
Joseph Kwack is one of 260 hospice and palliative medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 62% of them.
- NPI issued2014 · 62% of these records are older, 31% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2014 · median 2010 among the 193 with a school on file
- Record last updated2021 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in California
There are 260 hospice and palliative medicine (internal medicine) physician records in California.
All 260 in California → Every provider in Santa Monica → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Oren Raphael, MDSanta Monica, CA 904041255726485
- Neha Darrah, MDTorrance, CA 905021962721563
- Yuichi Yanami, M.D.Torrance, CA 905031265729339
- Ya ZhouTorrance, CA 905031902366784
- Ujjwala Dheeriya, M.D.Torrance, CA 905051770508582
- Tiffany Hsu, M.D.Torrance, CA 905051740642248
- Henry Kaing, DOTorrance, CA 905051487186433
- Martina Meier, M.D.Torrance, CA 905051144547548
Common questions
What is Joseph Kwack's NPI number?
Joseph Kwack's National Provider Identifier (NPI) is 1053739029, issued on Apr 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Kwack located?
The NPPES record lists a practice address at 1340 15TH St, Santa Monica, CA, 90404. Phone: (323) 648-1396. Providers update this record themselves, so call before visiting.
How can I verify Joseph Kwack's license?
NPPES lists California license number A139386, 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 Joseph Kwack prescribe under Medicare Part D?
In 2024, Joseph Kwack had 325 Medicare Part D claims for 88 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. 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.