Dr. Gregory L. Phillips, MD
- Medicare services, 2021
- 20
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 6,408
- Publications
- 130
- Hospital affiliations
- 1
- Practice address
- 4867 Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Phillips' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory L. Phillips is an internist in Los Angeles, California
Dr. Phillips practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.
Dr. Phillips' NPI, 1104985787, was assigned on December 8, 2006. Dr. Phillips graduated from Keck School of Medicine of USC in 1987. Dr. Phillips holds California license G63577.
- NPI
- 1104985787NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850293630
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory L. Phillips practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California
Dr. Phillips' primary practice is Kaiser Permanente Los Angeles Medical Center, at 4867 Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Kaiser Permanente Los Angeles Medical Center4867 Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Source: Dmand AI Affiliation Data
Dr. Gregory L. Phillips is affiliated with 2 sites of care and 1 medical group
Dr. Phillips' primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Phillips to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory L. Phillips' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phillips practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Los Angeles Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory L. Phillips is one of 16,751 internists in California
Internal medicine is Dr. Phillips' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Phillips is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Phillips' licenses on file in 2 states: California and Oregon.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Oregon license
Clinical focus
Dmand AI lists chronic hypertension, fibromyalgia and chronic pain and lower back pain among the conditions Dr. Phillips treats.
Internists near Dr. Phillips
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. Gregory L. Phillips billed Medicare for 20 services in 2021
CMS data shows 20 Medicare services from Dr. Phillips across 1 procedure code in 2021, all of them office visits, for 13 Medicare patients. Medicare paid $1,551 for them. Every service was in an office.
Dr. Phillips' Medicare services by type, 2019 to 2021
- 2019
- 2021
- Office and hospital visits
- 2019: 442021: 2055%
Dr. Phillips compared with the California median for internists, 2021
- Dr. Phillips
- California median
- Medicare services
- 20vs 36194% below
- Medicare patients
- 13vs 15191% below
- Part D claims
- 5,797vs 42113.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Phillips' most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Phillips?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Phillips and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory L. Phillips treated 13 Medicare patients in 2024, average age 65
CMS counts 13 Medicare patients who saw Dr. Phillips in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Phillips' median patient age at 60, with 47% women.
Dr. Phillips' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Phillips' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory L. Phillips wrote 6,408 Medicare Part D claims in 2024
In 2024, Dr. Phillips wrote 6,408 Medicare Part D claims for 571 patients. 89% of them were for generic drugs. CMS names the drug for 5,797 of them, across 115 drugs with 11 or more claims each, at $214,375 in total drug cost. In 2023, CMS named 5,741 claims across 110 drugs.
Dr. Phillips' Part D claims by kind of drug, 2024
- Generic5,699 claims89%
- Brand-name611 claims10%
- Other98 claims2%
Dr. Phillips' 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. Phillips' Part D claims, 2024
- Opioids4%267 of 6,408 claims
- Antibiotics3%175 of 6,408 claims
- Antipsychotics, patients 65 and over0%17 of 6,408 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: 5,7412024: 5,7971%
Drugs named by CMS: 115 in 2024, 110 in 2023.
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
Dr. Gregory L. Phillips offers telehealth to Medicare patients
Dr. Phillips accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Phillips as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory L. Phillips has 130 publications on record
Dmand AI links 130 papers to Dr. Phillips, published from 2011 to 2025. 2023 was the busiest year, with 12. The most frequent topics are HIV Infections, Homosexuality, Male and Sexual Behavior. Dr. Phillips has published most often in AIDS Behav. Dr. Phillips' most frequent co-authors are Gregory Joseph Phillips, MD, Alan Greenberg, MD and Audrey L. French, MD.
Dr. Phillips' papers by year, 2016 to 2025
Topics Dr. Phillips writes about most
- HIV Infections
- Homosexuality, Male
- Sexual Behavior
- Sexual and Gender Minorities
- Risk-Taking
- Sexual Partners
- Black or African American
- Chicago
Dr. Phillips' most frequent co-authors
- Gregory Joseph Phillips, MD21 shared papers
- Alan Greenberg, MD12 shared papers
- Audrey L. French, MD3 shared papers
Recent publications by Dr. Phillips
See who Dr. Phillips researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Phillips works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory L. Phillips received $539 in industry payments from 2016 to 2018
CMS Open Payments shows 6 general payments to Dr. Phillips from 5 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $215.
General payments to Dr. Phillips by program year, 2016 to 2018
General payments to Dr. Phillips by kind, 2016 to 2018
- Food and beverage$52998%
- Education$112%
Companies that paid Dr. Phillips the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory L. Phillips has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Phillips, most recently NCQA DRP in 2014.
Awards and honors for Dr. Phillips
- 2014
- NCQA DRP
- 2012
- NCQA HSRP
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Gregory L. Phillips graduated from Keck School of Medicine of USC
Dr. Phillips graduated from Keck School of Medicine of USC in 1987.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Gregory L. Phillips accepts plans from 2 insurance carriers
Dr. Phillips is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Phillips accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory L. Phillips's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory L. Phillips
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. Gregory L. Phillips' NPI number?
Dr. Gregory L. Phillips' NPI number is 1104985787. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory L. Phillips?
Dr. Gregory L. Phillips is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory L. Phillips practice?
Dr. Phillips practices at 4867 Sunset Blvd, Los Angeles, CA 90027. Dr. Phillips' primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dmand AI also links Dr. Phillips to 1 group practice or clinic.
What is Dr. Gregory L. Phillips' office phone number?
The practice phone on file for Dr. Phillips is (323) 783-4011.
What is Dr. Gregory L. Phillips' medical license number?
Dr. Phillips holds California license G63577, one of the licenses on file in 2 states.
Which states has Dr. Gregory L. Phillips been licensed in?
Dmand AI has state licenses on file for Dr. Phillips in California (1988 to 2026) and Oregon (1992 to 2019).
Which hospitals is Dr. Gregory L. Phillips affiliated with?
Dr. Phillips practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California.
What medical group is Dr. Gregory L. Phillips part of?
Dr. Phillips is linked to Southern California Permanente Medical Group.
Does Dr. Gregory L. Phillips accept Medicare?
Yes. CMS data shows Dr. Phillips billed Medicare for 20 services in 2021, and Dr. Phillips accepts Medicare assignment.
Does Dr. Gregory L. Phillips offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Phillips as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Gregory L. Phillips see?
CMS counts 13 Medicare patients who saw Dr. Phillips in 2024, with an average age of 65.
Is Dr. Gregory L. Phillips board certified?
Yes. Dr. Phillips is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Gregory L. Phillips bill to Medicare?
In 2021, Dr. Phillips' most billed Medicare services were office visit, established patient (99214).
Where did Dr. Gregory L. Phillips go to medical school?
Dr. Phillips graduated from Keck School of Medicine of USC in 1987.
What drugs does Dr. Gregory L. Phillips prescribe most?
In 2024 Medicare Part D data, Dr. Phillips' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Gregory L. Phillips received payments from drug or device companies?
CMS Open Payments shows $539 in general payments to Dr. Phillips from 5 companies from 2016 to 2018. The largest total came from Abbvie Inc.
How long has Dr. Gregory L. Phillips been practicing?
Dr. Phillips graduated from medical school in 1987, 39 years ago.
Does Dr. Gregory L. Phillips do research?
Dmand AI links 130 publications to Dr. Phillips, published from 2011 to 2025.
Who does Dr. Gregory L. Phillips publish with?
Dr. Phillips' most frequent co-authors are Gregory Joseph Phillips, MD (21 shared papers), Alan Greenberg, MD (12 shared papers) and Audrey L. French, MD (3 shared papers).
What insurance does Dr. Gregory L. Phillips accept?
Dr. Phillips is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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