Dr. Gregory J. Lopez, MD
- Medicare services, 2024
- 367
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 350
- Hospital affiliations
- 2
- Medical groups
- 2
- Practice address
- 202 North Division Street Plaza One, Auburn, WA 98001
- Practice phone
- Call (253) 833-7711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Gregory J. Lopez is an emergency medicine physician in Auburn, Washington
Dr. Lopez practices at MultiCare Auburn Medical Center in Auburn, Washington, part of MultiCare Health System.
Dr. Lopez's NPI, 1437340213, was assigned on August 6, 2007. Dr. Lopez graduated from New York University School of Medicine in 2004. Dr. Lopez holds Washington license MD60316535.
- NPI
- 1437340213NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951477074
- NPI enumeration date
- August 6, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (253) 833-7711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory J. Lopez practices at MultiCare Auburn Medical Center in Auburn, Washington
Dr. Lopez's primary practice is MultiCare Auburn Medical Center, at 202 North Division Street Plaza One, Auburn, WA 98001 in King County. The practice phone is (253) 833-7711.
- MultiCare Auburn Medical Center202 North Division Street Plaza One, Auburn, WA 98001 · King CountyPhone(253) 833-7711
Source: Dmand AI Affiliation Data
Dr. Gregory J. Lopez is affiliated with 2 sites of care and 2 medical groups
Dr. Lopez's primary practice is MultiCare Auburn Medical Center in Auburn, Washington, part of MultiCare Health System. Dr. Lopez is also affiliated with Snoqualmie Valley Health. The medical group on file is Cascade Emergency Physicians, Inc, PS. Dmand AI also links Dr. Lopez to 1 more medical group, 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 J. Lopez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lopez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MultiCare Auburn Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory J. Lopez is one of 1,408 emergency medicine physicians in Washington
Emergency medicine is Dr. Lopez's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Lopez's licenses on file in 2 states: Washington and Illinois.
Specialties and state licenses
- Emergency medicine, WashingtonPrimary
- Illinois license
Emergency medicine physicians near Dr. Lopez
Counts of emergency medicine physicians 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 J. Lopez billed Medicare for 367 services in 2024
CMS data shows 367 Medicare services from Dr. Lopez across 6 procedure codes in 2024, for 192 Medicare patients. Medicare paid $25,953 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lopez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2402024: 18423%
- Tests and treatments
- 2023: 1452024: 18326%
Dr. Lopez compared with the Washington median for emergency medicine physicians, 2024
- Dr. Lopez
- Washington median
- Medicare services
- 367vs 26837% above
- Medicare patients
- 192vs 22314% below
- Part D claims
- 184vs 613.0 times
Medians across 1,440 emergency medicine physicians in Washington with Dmand AI profiles that report each measure.
Dr. Lopez'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
Dr. Gregory J. Lopez treated 192 Medicare patients in 2024, average age 73
CMS counts 192 Medicare patients who saw Dr. Lopez in 2024. The largest group is 75 to 84, with 64 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.05, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lopez's median patient age at 56, with 56% women.
Dr. Lopez's Medicare patients by age, 2024
Dr. Lopez's Medicare patients by sex, 2024
- Women10856%
- Men8444%
Chronic conditions among Dr. Lopez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis47%
- Mood disorders45%
- Anxiety41%
- Depression41%
- Diabetes39%
- Heart failure37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lopez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory J. Lopez wrote 350 Medicare Part D claims in 2024
In 2024, Dr. Lopez wrote 350 Medicare Part D claims for 178 patients. 95% of them were for generic drugs. CMS names the drug for 184 of them, across 7 drugs with 11 or more claims each, at $1,704 in total drug cost. In 2023, CMS named 99 claims across 5 drugs.
Dr. Lopez's Part D claims by kind of drug, 2024
- Generic333 claims95%
- Brand-name and other17 claims5%
Dr. Lopez'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. Lopez's Part D claims, 2024
- Opioids9%31 of 350 claims
- Antibiotics33%114 of 350 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: 992024: 18486%
Drugs named by CMS: 7 in 2024, 5 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
How Dr. Gregory J. Lopez takes part in Medicare
Dr. Lopez 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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Dr. Gregory J. Lopez graduated from New York University School of Medicine
Dr. Lopez graduated from New York University School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory J. Lopez'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) |
| 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 Dr. Gregory J. Lopez
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 J. Lopez's NPI number?
Dr. Gregory J. Lopez's NPI number is 1437340213. It was assigned on August 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory J. Lopez?
Dr. Gregory J. Lopez is an emergency medicine physician in Auburn, Washington. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gregory J. Lopez practice?
Dr. Lopez practices at 202 North Division Street Plaza One, Auburn, WA 98001. Dr. Lopez's primary practice is MultiCare Auburn Medical Center in Auburn, Washington, part of MultiCare Health System. Dmand AI also links Dr. Lopez to 1 medical group.
What is Dr. Gregory J. Lopez's office phone number?
The practice phone on file for Dr. Lopez is (253) 833-7711.
What is Dr. Gregory J. Lopez's medical license number?
Dr. Lopez holds Washington license MD60316535, one of the licenses on file in 2 states.
Which states has Dr. Gregory J. Lopez been licensed in?
Dmand AI has state licenses on file for Dr. Lopez in Washington and Illinois.
Which hospitals is Dr. Gregory J. Lopez affiliated with?
Dr. Lopez practices at MultiCare Auburn Medical Center in Auburn, Washington. Dr. Lopez is also affiliated with Snoqualmie Valley Health.
What medical group is Dr. Gregory J. Lopez part of?
Dr. Lopez is linked to Cascade Emergency Physicians, Inc, PS. Dmand AI links Dr. Lopez to 1 more medical group.
Does Dr. Gregory J. Lopez accept Medicare?
Yes. CMS data shows Dr. Lopez billed Medicare for 367 services in 2024, and Dr. Lopez accepts Medicare assignment.
How many Medicare patients does Dr. Gregory J. Lopez see?
CMS counts 192 Medicare patients who saw Dr. Lopez in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Gregory J. Lopez bill to Medicare?
In 2024, Dr. Lopez's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and heart test or procedure (93042).
Where did Dr. Gregory J. Lopez go to medical school?
Dr. Lopez graduated from New York University School of Medicine in 2004.
What drugs does Dr. Gregory J. Lopez prescribe most?
In 2024 Medicare Part D data, Dr. Lopez's most prescribed drugs by claims were Cefdinir, Ondansetron ODT and Ibuprofen.
How long has Dr. Gregory J. Lopez been practicing?
Dr. Lopez graduated from medical school in 2004, 22 years ago.
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