Ann Thorac Surg
Angina PectorisCoronary AneurysmCoronary Artery Bypass, Off-Pump
Richard J. Gregory, PA-C
NPI1649496274PAC ID7719042993
- Medicare services, 2024
- 1,157
- Medicare patients, 2024
- 595
- Part D claims, 2024
- 568
- Publications
- 1
- Medical groups
- 4
- Practice address
- 111 S Westlake Blvd, Suite 110, Westlake Village, CA 91362-3807
- Practice phone
- Call (805) 557-8177
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Exer Urgent Care
Urgent care · Westlake Village, California
Find Richard Gregory's professional email, personal email and mobile number
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Richard J. Gregory is a physician assistant in Westlake Village, California
Richard Gregory practices at Exer Urgent Care in Westlake Village, California.
Richard Gregory's NPI, 1649496274, was assigned on April 18, 2007. Richard Gregory holds California license 15519.
NPI and contact details
- NPI
- 1649496274NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719042993
- NPI enumeration date
- April 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 557-8177
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Richard J. Gregory practices at Exer Urgent Care in Westlake Village, California
Richard Gregory's primary practice is Exer Urgent Care, at 111 S Westlake Blvd, Suite 110, Westlake Village, CA 91362-3807. The practice phone is (805) 557-8177.
- Exer Urgent Care111 S Westlake Blvd, Suite 110, Westlake Village, CA 91362-3807Phone(805) 557-8177
Source: Doctors and Clinicians National Downloadable File (CMS)
Richard J. Gregory is affiliated with 1 site of care and 4 medical groups
Richard Gregory's primary practice is Exer Urgent Care in Westlake Village, California. The medical group on file is Exer Urgent Care. Dmand AI also links Richard Gregory to 3 more medical groups, each named with a free account.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Richard J. Gregory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Richard Gregory practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Exer Urgent Care | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Richard J. Gregory is one of 11,482 physician assistants in California
Physician assistant is Richard Gregory's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Richard Gregory is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Richard Gregory is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists acute gastroduodenitis, acute sinusitis, acute skin infection, ankle or foot injury, asthma, broken or dislocated ankle/ or foot, bronchitis and bursitis among the conditions Richard Gregory treats.
Physician assistants near Richard Gregory
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
11,482physician assistants in California
6physician assistants in Westlake Village
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Richard J. Gregory billed Medicare for 1,157 services in 2024
CMS data shows 1,157 Medicare services from Richard Gregory across 17 procedure codes in 2024, for 595 Medicare patients. Medicare paid $55,146 for them. Every service was in an office.
Medicare services, 20241,157
Medicare patients595
Paid by Medicare$55,146
Procedure codes17
Richard Gregory's Medicare services by type, 2024
- Office and hospital visits593
- Lab and pathology266
- Drugs given in the office192
- Imaging57
- Tests and treatments49
Richard Gregory compared with the California median for physician assistants, 2024
- Richard Gregory
- California median
- Medicare services
- 1,157vs 2045.7 times
- Medicare patients
- 595vs 1055.7 times
- Part D claims
- 430vs 24377% above
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Richard Gregory's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Richard J. Gregory treated 595 Medicare patients in 2024, average age 74
CMS counts 595 Medicare patients who saw Richard Gregory in 2024. The largest group is 65 to 74, with 305 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Richard Gregory's median patient age at 42, with 58% women.
Medicare patients, 2024595
Average age74
Average risk score1.02
Also on Medicaid13%
Richard Gregory's Medicare patients by age, 2024
Richard Gregory's Medicare patients by sex, 2024
- Women37263%
- Men22337%
Chronic conditions among Richard Gregory's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis52%
- Ischemic heart disease29%
- Diabetes27%
- Mood disorders26%
- Anxiety24%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Richard Gregory's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Richard J. Gregory wrote 568 Medicare Part D claims in 2024
In 2024, Richard Gregory wrote 568 Medicare Part D claims for 450 patients. 82% of them were for generic drugs. CMS names the drug for 430 of them, across 13 drugs with 11 or more claims each, at $7,580 in total drug cost.
Part D claims, 2024568
Drugs named by CMS13
Total drug cost$7,580
Part D patients450
Richard Gregory's Part D claims by kind of drug, 2024
- Generic464 claims82%
- Brand-name and other104 claims18%
Richard Gregory'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 Richard Gregory's Part D claims, 2024
- Antibiotics40%225 of 568 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Richard J. Gregory takes part in Medicare
Richard Gregory accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Richard J. Gregory has 1 publication on record
Dmand AI links 1 paper to Richard Gregory. Richard Gregory's most frequent co-authors are Peter Lawrence Birnbaum, MD and Carl Yasutoshi Owada, MD.
Papers1
Richard Gregory's most frequent co-authors
Recent publications by Richard Gregory
See who Richard Gregory researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Richard Gregory works with, so you can find a warm path to the right physician assistants.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Richard J. Gregory is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Richard J. Gregory'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation 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 |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Richard J. Gregory
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Richard J. Gregory's NPI number?
Richard J. Gregory's NPI number is 1649496274. It was assigned on April 18, 2007, and it is active in the NPI Registry.
What does Richard J. Gregory specialize in?
Richard J. Gregory is a physician assistant in Westlake Village, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Richard J. Gregory practice?
Richard Gregory practices at 111 S Westlake Blvd, Suite 110, Westlake Village, CA 91362-3807. Richard Gregory's primary practice is Exer Urgent Care in Westlake Village, California. Dmand AI also links Richard Gregory to 3 medical groups.
What is Richard J. Gregory's office phone number?
The practice phone on file for Richard Gregory is (805) 557-8177.
What is Richard J. Gregory's medical license number?
Richard Gregory holds California license 15519.
What medical group is Richard J. Gregory part of?
Richard Gregory is linked to Exer Urgent Care. Dmand AI links Richard Gregory to 3 more medical groups.
Does Richard J. Gregory accept Medicare?
Yes. CMS data shows Richard Gregory billed Medicare for 1,157 services in 2024, and Richard Gregory accepts Medicare assignment.
How many Medicare patients does Richard J. Gregory see?
CMS counts 595 Medicare patients who saw Richard Gregory in 2024, with an average age of 74.
Is Richard J. Gregory board certified?
Yes. Richard Gregory is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Richard J. Gregory bill to Medicare?
In 2024, Richard Gregory's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J1100) and office visit, new patient (99204).
Show 4 more questionsShow fewer questions
What drugs does Richard J. Gregory prescribe most?
In 2024 Medicare Part D data, Richard Gregory's most prescribed drugs by claims were Albuterol Sulfate Hfa, Cephalexin and Nitrofurantoin Mono-Macro.
How long has Richard J. Gregory been practicing?
Richard Gregory graduated from medical school in 2000, 26 years ago.
Does Richard J. Gregory do research?
Dmand AI links 1 publication to Richard Gregory.
Who does Richard J. Gregory publish with?
Richard Gregory's most frequent co-authors are Peter Lawrence Birnbaum, MD (1 shared paper) and Carl Yasutoshi Owada, MD (1 shared paper).
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