Dr. Gregory Doup Muller, DO
- Medicare services, 2024
- 369
- Medicare patients, 2024
- 315
- Part D claims, 2024
- 60
- Publications
- 3
- MIPS score, 2024
- 89
- Practice address
- 751 South Bascom Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Muller's 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 Doup Muller is an emergency medicine physician in San Jose, California
Dr. Muller practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Muller's NPI, 1790281616, was assigned on March 30, 2018. Dr. Muller graduated from Touro University California in 2019. Dr. Muller holds California license 20A19611.
- NPI
- 1790281616NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062749450
- NPI enumeration date
- March 30, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Doup Muller practices at Santa Clara Valley Medical Center in San Jose, California
Dr. Muller's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Gregory Doup Muller is affiliated with 3 sites of care and 4 medical groups
Dr. Muller's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dr. Muller is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Muller to 3 more medical groups and 1 community health center, each 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 Doup Muller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Muller practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory Doup Muller is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Muller's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Muller is board certified in emergency medical services by the American Board of Emergency Medicine. Dr. Muller is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Muller
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 Doup Muller billed Medicare for 369 services in 2024
CMS data shows 369 Medicare services from Dr. Muller across 4 procedure codes in 2024, for 315 Medicare patients. Medicare paid $41,297 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Muller's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1842024: 28555%
- Tests and treatments
- 2023: 152024: 84460%
Dr. Muller compared with the California median for emergency medicine physicians, 2024
- Dr. Muller
- California median
- Medicare services
- 369vs 26539% above
- Medicare patients
- 315vs 24330% above
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Muller'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.
Need commercial claims for Dr. Muller?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Muller and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Doup Muller treated 315 Medicare patients in 2024, average age 75
CMS counts 315 Medicare patients who saw Dr. Muller in 2024. The largest group is 65 to 74, with 96 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 55% are also on Medicaid. Their average risk score is 2.47, 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. Muller's median patient age at 47, with 49% women.
Dr. Muller's Medicare patients by age, 2024
Dr. Muller's Medicare patients by sex, 2024
- Women16051%
- Men15549%
Chronic conditions among Dr. Muller's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Diabetes42%
- Arthritis39%
- Chronic kidney disease39%
- Ischemic heart disease36%
- Mood disorders36%
- Anxiety34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Muller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Doup Muller wrote 60 Medicare Part D claims in 2024
In 2024, Dr. Muller wrote 60 Medicare Part D claims for 40 patients. 92% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $24 in total drug cost.
Dr. Muller's Part D claims by kind of drug, 2024
- Generic55 claims92%
- Brand-name and other5 claims8%
Dr. Muller's most prescribed drugs by claims, 2020
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. Muller's Part D claims, 2024
- Antibiotics25%15 of 60 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
Dr. Gregory Doup Muller scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Muller for performance year 2024, reported as part of a group. Dr. Muller accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Muller's MIPS scores, performance year 2024
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gregory Doup Muller has 3 publications on record
Dmand AI links 3 papers to Dr. Muller, published from 2021 to 2025. The most frequent topics are Emergency Service, Hospital. Dr. Muller's most frequent co-authors are Ziad Affas, Gust W. Bills, DO and Anthony James Colucci, DO.
Dr. Muller's papers by year, 2021 to 2025
Topics Dr. Muller writes about most
- Emergency Service, Hospital
Dr. Muller's most frequent co-authors
Recent publications by Dr. Muller
See who Dr. Muller researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Muller works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Doup Muller graduated from Touro University California
Dr. Muller graduated from Touro University California in 2019.
- Medical school
- Board certified in emergency medical services
- Board certified in emergency medicine
- Board certified in 2022 - 2025
- Board certified in 2024 - 2027
- Board certified in 2019 - 2024
Source: Dmand AI Professional Profile Data
Dr. Gregory Doup Muller accepts plans from 1 insurance carrier
Dr. Muller is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory Doup Muller'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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 Doup Muller
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 Doup Muller's NPI number?
Dr. Gregory Doup Muller's NPI number is 1790281616. It was assigned on March 30, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Doup Muller?
Dr. Gregory Doup Muller is an emergency medicine physician in San Jose, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gregory Doup Muller practice?
Dr. Muller practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Muller's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Muller to 3 medical groups and 1 community health center.
What is Dr. Gregory Doup Muller's office phone number?
The practice phone on file for Dr. Muller is (408) 885-5000.
What is Dr. Gregory Doup Muller's medical license number?
Dr. Muller holds California license 20A19611.
Which hospitals is Dr. Gregory Doup Muller affiliated with?
Dr. Muller practices at Santa Clara Valley Medical Center in San Jose, California. Dr. Muller is also affiliated with Stanford Hospital at 300 Pasteur Drive.
What medical group is Dr. Gregory Doup Muller part of?
Dr. Muller is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Muller to 3 more medical groups.
Does Dr. Gregory Doup Muller accept Medicare?
Yes. CMS data shows Dr. Muller billed Medicare for 369 services in 2024, and Dr. Muller accepts Medicare assignment.
What is Dr. Gregory Doup Muller's MIPS score?
Dr. Muller's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory Doup Muller see?
CMS counts 315 Medicare patients who saw Dr. Muller in 2024, with an average age of 75.
Show 8 more questionsShow fewer questions
Is Dr. Gregory Doup Muller board certified?
Yes. Dr. Muller is board certified in emergency medical services by the American Board of Emergency Medicine.
What services does Dr. Gregory Doup Muller bill to Medicare?
In 2024, Dr. Muller's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Gregory Doup Muller go to medical school?
Dr. Muller graduated from Touro University California in 2019.
What drugs does Dr. Gregory Doup Muller prescribe most?
In 2020 Medicare Part D data, Dr. Muller's most prescribed drugs by claims were Cephalexin.
How long has Dr. Gregory Doup Muller been practicing?
Dr. Muller graduated from medical school in 2019, 7 years ago.
Does Dr. Gregory Doup Muller do research?
Dmand AI links 3 publications to Dr. Muller, published from 2021 to 2025.
Who does Dr. Gregory Doup Muller publish with?
Dr. Muller's most frequent co-authors are Ziad Affas (1 shared paper), Gust W. Bills, DO (1 shared paper) and Anthony James Colucci, DO (1 shared paper).
What insurance does Dr. Gregory Doup Muller accept?
Dr. Muller is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card