Dr. Carter C. Wystrach, MD, MPH
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 141
- Hospital affiliations
- 3
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 1101 Van Ness Avenue, San Francisco, CA 94109
- Practice phone
- Call (415) 600-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Wystrach'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. Carter C. Wystrach is an emergency medicine physician in San Francisco, California
Dr. Wystrach practices at California Pacific Medical Center Van Ness Campus in San Francisco, California, part of Sutter Health.
Dr. Wystrach's NPI, 1639411895, was assigned on March 26, 2013. Dr. Wystrach holds Oregon license MD180923.
- NPI
- 1639411895NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113200478
- NPI enumeration date
- March 26, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 600-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carter C. Wystrach practices at California Pacific Medical Center Van Ness Campus in San Francisco, California
Dr. Wystrach's primary practice is California Pacific Medical Center Van Ness Campus, at 1101 Van Ness Avenue, San Francisco, CA 94109 in San Francisco County. The practice phone is (415) 600-6000.
- California Pacific Medical Center Van Ness Campus1101 Van Ness Avenue, San Francisco, CA 94109 · San Francisco CountyPhone(415) 600-6000
Source: Dmand AI Affiliation Data
Dr. Carter C. Wystrach is affiliated with 3 sites of care and 2 medical groups
Dr. Wystrach's primary practice is California Pacific Medical Center Van Ness Campus in San Francisco, California, part of Sutter Health. Dr. Wystrach is also affiliated with California Pacific Medical Center Davies Campus. The medical group on file is San Francisco Emergency Medical Associates. Dmand AI also links Dr. Wystrach to 1 more hospital and 1 medical group, 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. Carter C. Wystrach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wystrach practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| California Pacific Medical Center Van Ness Campus | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carter C. Wystrach is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Wystrach's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Wystrach's licenses on file in 2 states: Oregon and California.
Specialties and state licenses
- Emergency medicine, OregonPrimary
- California license
Emergency medicine physicians near Dr. Wystrach
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. Carter C. Wystrach treated 11 Medicare patients in 2024, average age 68
CMS counts 11 Medicare patients who saw Dr. Wystrach in 2024. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wystrach's median patient age at 51, with 45% women.
Dr. Wystrach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women45%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carter C. Wystrach wrote 141 Medicare Part D claims in 2024
In 2024, Dr. Wystrach wrote 141 Medicare Part D claims for 93 patients. 84% of them were for generic drugs. CMS names the drug for 31 of them, across 2 drugs with 11 or more claims each, at $368 in total drug cost.
Dr. Wystrach's Part D claims by kind of drug, 2024
- Generic119 claims84%
- Brand-name and other22 claims16%
Dr. Wystrach'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. Wystrach's Part D claims, 2024
- Opioids18%26 of 141 claims
- Antibiotics31%44 of 141 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 Dr. Carter C. Wystrach takes part in Medicare
Dr. Wystrach 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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Sources for Dr. Carter C. Wystrach'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 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) |
| 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. Carter C. Wystrach
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. Carter C. Wystrach's NPI number?
Dr. Carter C. Wystrach's NPI number is 1639411895. It was assigned on March 26, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Carter C. Wystrach?
Dr. Carter C. Wystrach is an emergency medicine physician in San Francisco, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Carter C. Wystrach practice?
Dr. Wystrach practices at 1101 Van Ness Avenue, San Francisco, CA 94109. Dr. Wystrach's primary practice is California Pacific Medical Center Van Ness Campus in San Francisco, California, part of Sutter Health. Dmand AI also links Dr. Wystrach to 1 hospital and 1 medical group.
What is Dr. Carter C. Wystrach's office phone number?
The practice phone on file for Dr. Wystrach is (415) 600-6000.
What is Dr. Carter C. Wystrach's medical license number?
Dr. Wystrach holds Oregon license MD180923, one of the licenses on file in 2 states.
Which states has Dr. Carter C. Wystrach been licensed in?
Dmand AI has state licenses on file for Dr. Wystrach in Oregon and California.
Which hospitals is Dr. Carter C. Wystrach affiliated with?
Dr. Wystrach practices at California Pacific Medical Center Van Ness Campus in San Francisco, California. Dr. Wystrach is also affiliated with California Pacific Medical Center Davies Campus. Dmand AI links Dr. Wystrach to 1 more hospital.
What medical group is Dr. Carter C. Wystrach part of?
Dr. Wystrach is linked to San Francisco Emergency Medical Associates. Dmand AI links Dr. Wystrach to 1 more medical group.
Does Dr. Carter C. Wystrach accept Medicare?
Yes. CMS lists Dr. Wystrach as accepting Medicare assignment.
How many Medicare patients does Dr. Carter C. Wystrach see?
CMS counts 11 Medicare patients who saw Dr. Wystrach in 2024, with an average age of 68.
What drugs does Dr. Carter C. Wystrach prescribe most?
In 2024 Medicare Part D data, Dr. Wystrach's most prescribed drugs by claims were Albuterol Sulfate Hfa and Oxycodone HCl.
How long has Dr. Carter C. Wystrach been practicing?
Dr. Wystrach graduated from medical school in 2013, 13 years ago.
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