Dr. Ryan M. Romeiser, MD
- Medicare services, 2022
- 198
- Part D claims, 2021
- 43
- Affiliated sites
- 2
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 2222 Bancroft Way, Berkeley, CA 94720
- Practice phone
- Call (510) 643-5808
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services, UC Berkeley - Urgent Care
Urgent Care Center · Berkeley, California
Find Dr. Romeiser'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. Ryan M. Romeiser is an emergency medicine physician in Berkeley, California
Dr. Romeiser practices at University Health Services, UC Berkeley - Urgent Care in Berkeley, California.
Dr. Romeiser's NPI, 1376508010, was assigned on April 18, 2006. Dr. Romeiser graduated from Weill Cornell Medicine in 2002. Dr. Romeiser holds California license A105987.
- NPI
- 1376508010NPI Registry (opens in a new tab)
- NPI enumeration date
- April 18, 2006
- NPI status
- Active
- Practice phone
- (510) 643-5808
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ryan M. Romeiser practices at University Health Services, UC Berkeley - Urgent Care in Berkeley, California
Dr. Romeiser's primary practice is University Health Services, UC Berkeley - Urgent Care, at 2222 Bancroft Way, Berkeley, CA 94720. The practice phone is (510) 643-5808.
- University Health Services, UC Berkeley - Urgent Care2222 Bancroft Way, Berkeley, CA 94720Phone(510) 643-5808
Source: Dmand AI Affiliation Data
Dr. Ryan M. Romeiser is affiliated with 2 sites of care
Dr. Romeiser's primary practice is University Health Services, UC Berkeley - Urgent Care in Berkeley, California. Dmand AI also links Dr. Romeiser to 1 school health center, named with a free account. Dr. Romeiser's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan M. Romeiser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Romeiser practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services, UC Berkeley - Urgent Care | 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. Ryan M. Romeiser is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Romeiser's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Romeiser is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Romeiser's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- New York license
Emergency medicine physicians near Dr. Romeiser
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. Ryan M. Romeiser billed Medicare for 198 services in 2022
CMS data shows 198 Medicare services from Dr. Romeiser across 5 procedure codes in 2022. Medicare paid $24,488 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Romeiser's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 3872022: 15360%
- Tests and treatments
- 2021: 2692022: 4583%
Dr. Romeiser compared with the California median for emergency medicine physicians, 2022
- Dr. Romeiser
- California median
- Medicare services
- 198vs 26525% below
- Part D claims
- 43vs 6231% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Romeiser's most billed Medicare procedure codes, 2022
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Romeiser 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. Ryan M. Romeiser's patients have a median age of 22
Across all payers, Dmand AI patient panel data puts Dr. Romeiser's median patient age at 22, with 52% women.
Dr. Romeiser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 22
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Ryan M. Romeiser wrote 43 Medicare Part D claims in 2021
In 2021, Dr. Romeiser wrote 43 Medicare Part D claims. They cover 3 drugs, with $270 in total drug cost. In 2020, CMS named 19 claims across 1 drug.
Dr. Romeiser's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 192021: 43126%
Drugs named by CMS: 3 in 2021, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Ryan M. Romeiser graduated from Weill Cornell Medicine
Dr. Romeiser graduated from Weill Cornell Medicine in 2002.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan M. Romeiser'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Ryan M. Romeiser
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. Ryan M. Romeiser's NPI number?
Dr. Ryan M. Romeiser's NPI number is 1376508010. It was assigned on April 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan M. Romeiser?
Dr. Ryan M. Romeiser is an emergency medicine physician in Berkeley, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Ryan M. Romeiser practice?
Dr. Romeiser practices at 2222 Bancroft Way, Berkeley, CA 94720. Dr. Romeiser's primary practice is University Health Services, UC Berkeley - Urgent Care in Berkeley, California. Dmand AI also links Dr. Romeiser to 1 school health center.
What is Dr. Ryan M. Romeiser's office phone number?
The practice phone on file for Dr. Romeiser is (510) 643-5808.
What is Dr. Ryan M. Romeiser's medical license number?
Dr. Romeiser holds California license A105987, one of the licenses on file in 2 states.
Which states has Dr. Ryan M. Romeiser been licensed in?
Dmand AI has state licenses on file for Dr. Romeiser in California (2008 to 2026) and New York (2005 to 2010).
Does Dr. Ryan M. Romeiser accept Medicare?
Yes. CMS data shows Dr. Romeiser billed Medicare for 198 services in 2022.
Is Dr. Ryan M. Romeiser board certified?
Yes. Dr. Romeiser is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Ryan M. Romeiser bill to Medicare?
In 2022, Dr. Romeiser's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Ryan M. Romeiser go to medical school?
Dr. Romeiser graduated from Weill Cornell Medicine in 2002.
What drugs does Dr. Ryan M. Romeiser prescribe most?
In 2021 Medicare Part D data, Dr. Romeiser's most prescribed drugs by claims were Cephalexin, Prednisone and Ondansetron ODT.
How long has Dr. Ryan M. Romeiser been practicing?
Dr. Romeiser graduated from medical school in 2002, 24 years ago.
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