Christyn Marshall, DPM
- Medicare patients, 2024
- 440
- Part D claims, 2024
- 155
- Hospital affiliations
- 1
- Industry payments
- $151
- Medical groups
- 2
- Practice address
- 20130 Lake Chabot Rd, Castro Valley, CA 94546
- Practice phone
- Call (510) 889-1700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Associated Urology Medical Group,Inc.
Castro Valley, California
Find Christyn Marshall'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.
Christyn Marshall is a primary podiatric medicine podiatrist in Castro Valley, California
Christyn Marshall practices at Associated Urology Medical Group,Inc. in Castro Valley, California.
Christyn Marshall's NPI, 1376958405, was assigned on June 27, 2014. Christyn Marshall holds California license 5354.
- NPI
- 1376958405NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527365824
- NPI enumeration date
- June 27, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 889-1700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Christyn Marshall practices at Associated Urology Medical Group,Inc. in Castro Valley, California
Christyn Marshall's primary practice is Associated Urology Medical Group,Inc., at 20130 Lake Chabot Rd, Castro Valley, CA 94546 in Alameda County. The practice phone is (510) 889-1700.
- Associated Urology Medical Group,Inc.20130 Lake Chabot Rd, Castro Valley, CA 94546 · Alameda CountyPhone(510) 889-1700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christyn Marshall is affiliated with 4 sites of care and 2 medical groups
Christyn Marshall's primary practice is Associated Urology Medical Group,Inc. in Castro Valley, California. Christyn Marshall is also affiliated with San Ramon Regional Medical Center. The medical group on file is Bay Area Foot Care. Dmand AI also links Christyn Marshall to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Christyn Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christyn Marshall practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Associated Urology Medical Group,Inc. | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Christyn Marshall is one of 65 primary podiatric medicine podiatrists in California
Primary podiatric medicine is Christyn Marshall's primary specialty in the NPI Registry, under taxonomy code 213EP1101X. Christyn Marshall is licensed in California.
Specialties and state licenses
- Primary podiatric medicine podiatrist, CaliforniaPrimary
Primary podiatric medicine podiatrists near Christyn Marshall
Counts of primary podiatric medicine podiatrists 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
Christyn Marshall treated 440 Medicare patients in 2024, average age 75
CMS counts 440 Medicare patients who saw Christyn Marshall in 2024. The largest group is 65 to 74, with 195 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christyn Marshall's median patient age at 59, with 62% women.
Christyn Marshall's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christyn Marshall's Medicare patients by sex, 2024
- Women28064%
- Men16036%
Chronic conditions among Christyn Marshall's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis54%
- Osteoporosis21%
- Anxiety20%
- Diabetes18%
- Ischemic heart disease18%
- Atrial fibrillation17%
Share of Medicare patients with each condition. A patient can have several.
Christyn Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women62%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christyn Marshall wrote 155 Medicare Part D claims in 2024
In 2024, Christyn Marshall wrote 155 Medicare Part D claims for 96 patients. 92% of them were for generic drugs.
Christyn Marshall's Part D claims by kind of drug, 2024
- Generic142 claims92%
- Brand-name13 claims8%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Christyn Marshall scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Christyn Marshall for performance year 2024, reported individually. Christyn Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 53 procedures of removal of skin lesions by Christyn Marshall, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Christyn Marshall's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Christyn Marshall ranks in Medicare procedure volume
- Removal of nail tissue
- 66th percentile61 procedures
- Removal of skin lesions
- 72nd percentile53 procedures
- Removal or shaving of skin growth
- 71st percentile21 procedures
- Removal of tissue
- 63rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Christyn Marshall received $151 in industry payments in 2025
CMS Open Payments shows 3 general payments to Christyn Marshall from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $122.
Companies that paid Christyn Marshall the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christyn Marshall'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 (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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Christyn Marshall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christyn Marshall's NPI number?
Christyn Marshall's NPI number is 1376958405. It was assigned on June 27, 2014, and it is active in the NPI Registry.
What does Christyn Marshall specialize in?
Christyn Marshall is a primary podiatric medicine podiatrist in Castro Valley, California. The primary specialty in the NPI Registry is Primary Podiatric Medicine Podiatrist (taxonomy code 213EP1101X).
Where does Christyn Marshall practice?
Christyn Marshall practices at 20130 Lake Chabot Rd, Castro Valley, CA 94546. Christyn Marshall's primary practice is Associated Urology Medical Group,Inc. in Castro Valley, California. Dmand AI also links Christyn Marshall to 2 group practices and clinics and 1 medical group.
What is Christyn Marshall's office phone number?
The practice phone on file for Christyn Marshall is (510) 889-1700.
What is Christyn Marshall's medical license number?
Christyn Marshall holds California license 5354.
Which hospitals is Christyn Marshall affiliated with?
Christyn Marshall is affiliated with San Ramon Regional Medical Center.
What medical group is Christyn Marshall part of?
Christyn Marshall is linked to Bay Area Foot Care. Dmand AI links Christyn Marshall to 1 more medical group.
Does Christyn Marshall accept Medicare?
Yes. CMS lists Christyn Marshall as accepting Medicare assignment.
What is Christyn Marshall's MIPS score?
Christyn Marshall's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Christyn Marshall see?
CMS counts 440 Medicare patients who saw Christyn Marshall in 2024, with an average age of 75.
Has Christyn Marshall received payments from drug or device companies?
CMS Open Payments shows $151 in general payments to Christyn Marshall from 3 companies from 2025 to 2025. The largest total came from Amgen Inc.
How long has Christyn Marshall been practicing?
Christyn Marshall graduated from medical school in 2014, 12 years ago.
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