Dr. Paul Gregerson, MD

  • Los Angeles, CA
  • Internist
NPI1417022336
Part D claims, 2024
200
Publications
2
Industry payments
$195
Affiliated sites
2
Medical group
1
Practice address
522 South San Pedro, Los Angeles, CA 90013
Practice phone
Call (213) 622-2639
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

JWCH Institute Medical Clinic Weingart Center

FQHC - Main Site · Los Angeles, California

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Dr. Paul Gregerson is an internist in Los Angeles, California

Dr. Gregerson practices at JWCH Institute Medical Clinic Weingart Center in Los Angeles, California.

Dr. Gregerson's NPI, 1417022336, was assigned on November 24, 2006. Dr. Gregerson graduated from Medical College Of Wisconsin in 1984. Dr. Gregerson holds California license G55695.

NPI and contact details
NPI enumeration date
November 24, 2006
NPI status
Active
Practice phone
(213) 622-2639
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Paul Gregerson practices at JWCH Institute Medical Clinic Weingart Center in Los Angeles, California

Dr. Gregerson's primary practice is JWCH Institute Medical Clinic Weingart Center, at 522 South San Pedro, Los Angeles, CA 90013 in Los Angeles County. The practice phone is (213) 622-2639.

  • JWCH Institute Medical Clinic Weingart Center
    522 South San Pedro, Los Angeles, CA 90013 · Los Angeles CountyPhone(213) 622-2639

Source: Dmand AI Affiliation Data

Dr. Paul Gregerson is affiliated with 2 sites of care and 1 medical group

Dr. Gregerson's primary practice is JWCH Institute Medical Clinic Weingart Center in Los Angeles, California. The medical group on file is Wesley Health Centers - JWCH Institute, Inc. Dmand AI also links Dr. Gregerson to 1 more behavioral health center, named with a free account. Dr. Gregerson's employer is on file too: a community health center (fqhc).

See all 3 affiliations for Dr. Gregerson

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Paul Gregerson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregerson practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
JWCH Institute Medical Clinic Weingart CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Paul Gregerson is one of 16,751 internists in California

Internal medicine is Dr. Gregerson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gregerson is board certified in internal medicine by the American Board of Internal Medicine. Dr. Gregerson is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G55695 · 1985 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists high cholesterol among the conditions Dr. Gregerson treats.

Internists near Dr. Gregerson

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Paul Gregerson's patients have a median age of 52

Across all payers, Dmand AI patient panel data puts Dr. Gregerson's median patient age at 52, with 53% women.

Dr. Gregerson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 52

Patient panel by sex, all payers

  • Women53%
  • Men47%

Source: Dmand AI Patient Panel Data

Dr. Paul Gregerson wrote 200 Medicare Part D claims in 2024

In 2024, Dr. Gregerson wrote 200 Medicare Part D claims for 33 patients. 87% of them were for generic drugs. CMS names the drug for 61 of them, across 4 drugs with 11 or more claims each, at $492 in total drug cost. In 2023, CMS named 14 claims across 1 drug.

Part D claims, 2024200
Drugs named by CMS4
Total drug cost$492
Part D patients33

Dr. Gregerson's Part D claims by kind of drug, 2024

  • Generic174 claims87%
  • Brand-name26 claims13%

Dr. Gregerson's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Gregerson's Part D claims, 2024

  • Antibiotics9%18 of 200 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 142024: 61336%

Drugs named by CMS: 4 in 2024, 1 in 2023.

See all prescribing by Dr. Gregerson

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Paul Gregerson has 2 publications on record

Dmand AI links 2 papers to Dr. Gregerson, published from 2010 to 2011.

Papers2
Years published2010 to 2011

Recent publications by Dr. Gregerson

See all 2 publications and co-authors

See who Dr. Gregerson researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gregerson works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Paul Gregerson received $195 in industry payments from 2016 to 2025

CMS Open Payments shows 6 general payments to Dr. Gregerson from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $137.

General payments to Dr. Gregerson by program year, 2016 to 2025

Companies that paid Dr. Gregerson the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Gregerson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Paul Gregerson has 1 award and honors on record

Dmand AI lists 1 award for Dr. Gregerson, most recently NCQA PCMH in 2016. Dr. Gregerson serves on National Healtcare for the Homeless and Skid Row Housing Trust.

Awards and honors for Dr. Gregerson

  1. 2016
    • NCQA PCMH

Dr. Gregerson's committees and leadership roles

National Healtcare for the HomelessBoard of Directors
2015 to present
Skid Row Housing TrustBoard of Directors
2009 to present

Source: Dmand AI Professional Profile Data

Dr. Paul Gregerson graduated from Medical College Of Wisconsin

Dr. Gregerson graduated from Medical College Of Wisconsin in 1984.

  1. Medical schoolMedical College Of Wisconsin
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Paul Gregerson accepts plans from 2 insurance carriers

Dr. Gregerson is in network with 2 carriers, including LA Care and Molina. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • LA Care
  • Molina

Plan types Dr. Gregerson accepts, by number of carriers

  1. HMO2
  2. Medicare2
  3. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Paul Gregerson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Paul Gregerson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Paul Gregerson's NPI number?

Dr. Paul Gregerson's NPI number is 1417022336. It was assigned on November 24, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Paul Gregerson?

Dr. Paul Gregerson is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Paul Gregerson practice?

Dr. Gregerson practices at 522 South San Pedro, Los Angeles, CA 90013. Dr. Gregerson's primary practice is JWCH Institute Medical Clinic Weingart Center in Los Angeles, California. Dmand AI also links Dr. Gregerson to 1 behavioral health center.

What is Dr. Paul Gregerson's office phone number?

The practice phone on file for Dr. Gregerson is (213) 622-2639.

What is Dr. Paul Gregerson's medical license number?

Dr. Gregerson holds California license G55695.

What medical group is Dr. Paul Gregerson part of?

Dr. Gregerson is linked to Wesley Health Centers - JWCH Institute, Inc.

Is Dr. Paul Gregerson board certified?

Yes. Dr. Gregerson is board certified in internal medicine by the American Board of Internal Medicine.

Where did Dr. Paul Gregerson go to medical school?

Dr. Gregerson graduated from Medical College Of Wisconsin in 1984.

What drugs does Dr. Paul Gregerson prescribe most?

In 2024 Medicare Part D data, Dr. Gregerson's most prescribed drugs by claims were Gabapentin, Albuterol Sulfate Hfa and Atorvastatin Calcium.

Has Dr. Paul Gregerson received payments from drug or device companies?

CMS Open Payments shows $195 in general payments to Dr. Gregerson from 4 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.

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How long has Dr. Paul Gregerson been practicing?

Dr. Gregerson graduated from medical school in 1984, 42 years ago.

Does Dr. Paul Gregerson do research?

Dmand AI links 2 publications to Dr. Gregerson, published from 2010 to 2011.

What insurance does Dr. Paul Gregerson accept?

Dr. Gregerson is in network with 2 carriers, including LA Care and Molina. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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