Christopher Merill Hempson
- Medicare patients, 2024
- 161
- Part D claims, 2024
- 1,709
- Hospital affiliations
- 1
- Industry payments
- $25
- Medical group
- 1
- Practice address
- 1100 9th Ave, Seattle, WA 98101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Virginia Mason Medical Center - HOPD
Acute Care Hospital outpatient department · Seattle, Washington
Find Christopher Hempson'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.
Christopher Merill Hempson is a physician assistant in Seattle, Washington
Christopher Hempson practices at Virginia Mason Medical Center - HOPD in Seattle, Washington.
Christopher Hempson's NPI, 1295110237, was assigned on July 20, 2015. Christopher Hempson holds Washington license PA60833443.
- NPI
- 1295110237NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709195761
- NPI enumeration date
- July 20, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher Merill Hempson practices at Virginia Mason Medical Center - HOPD in Seattle, Washington
Christopher Hempson's primary practice is Virginia Mason Medical Center - HOPD, at 1100 9th Ave, Seattle, WA 98101.
- Virginia Mason Medical Center - HOPD1100 9th Ave, Seattle, WA 98101
Source: Dmand AI Affiliation Data
Christopher Merill Hempson is affiliated with 4 sites of care and 1 medical group
Christopher Hempson's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Christopher Hempson is also affiliated with Virginia Mason Medical Center. The medical group on file is Virginia Mason Medical Center. Dmand AI also links Christopher Hempson to 1 more group practice or clinic and 1 imaging center, each named with a free account. Christopher Hempson's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Christopher Merill Hempson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Hempson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Virginia Mason Medical Center - HOPD | Available with a free account |
| +3 more affiliated sites | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Christopher Merill Hempson is one of 3,005 physician assistants in Washington
Physician assistant is Christopher Hempson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Christopher Hempson's licenses on file in 2 states: Washington and North Carolina.
Specialties and state licenses
- Physician assistant, WashingtonPrimary
- North Carolina license
Physician assistants near Christopher Hempson
Counts of physician assistants 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
Christopher Merill Hempson treated 161 Medicare patients in 2024, average age 78
CMS counts 161 Medicare patients who saw Christopher Hempson in 2024. The largest group is 75 to 84, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Christopher Hempson's median patient age at 76, with 47% women.
Christopher Hempson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christopher Hempson's Medicare patients by sex, 2024
- Women8251%
- Men7949%
Chronic conditions among Christopher Hempson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation46%
- Ischemic heart disease46%
- Arthritis40%
- Heart failure35%
- Diabetes32%
- Mood disorders26%
Share of Medicare patients with each condition. A patient can have several.
Christopher Hempson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher Merill Hempson wrote 1,709 Medicare Part D claims in 2024
In 2024, Christopher Hempson wrote 1,709 Medicare Part D claims for 290 patients. 83% of them were for generic drugs.
Christopher Hempson's Part D claims by kind of drug, 2024
- Generic1,413 claims83%
- Brand-name296 claims17%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Christopher Merill Hempson offers telehealth to Medicare patients
Christopher Hempson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christopher Hempson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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.
Christopher Merill Hempson received $25 in industry payments in 2025
CMS Open Payments shows 1 general payment to Christopher Hempson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $25.
Companies that paid Christopher Hempson 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 Christopher Merill Hempson'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 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) |
| 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 Christopher Merill Hempson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christopher Merill Hempson's NPI number?
Christopher Merill Hempson's NPI number is 1295110237. It was assigned on July 20, 2015, and it is active in the NPI Registry.
What does Christopher Merill Hempson specialize in?
Christopher Merill Hempson is a physician assistant in Seattle, Washington. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Christopher Merill Hempson practice?
Christopher Hempson practices at 1100 9th Ave, Seattle, WA 98101. Christopher Hempson's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Christopher Hempson to 1 group practice or clinic and 1 imaging center.
What is Christopher Merill Hempson's medical license number?
Christopher Hempson holds Washington license PA60833443, one of the licenses on file in 2 states.
Which states has Christopher Merill Hempson been licensed in?
Dmand AI has state licenses on file for Christopher Hempson in Washington and North Carolina.
Which hospitals is Christopher Merill Hempson affiliated with?
Christopher Hempson is affiliated with Virginia Mason Medical Center.
What medical group is Christopher Merill Hempson part of?
Christopher Hempson is linked to Virginia Mason Medical Center.
Does Christopher Merill Hempson accept Medicare?
Yes. CMS lists Christopher Hempson as accepting Medicare assignment.
Does Christopher Merill Hempson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Christopher Hempson as offering telehealth services.
How many Medicare patients does Christopher Merill Hempson see?
CMS counts 161 Medicare patients who saw Christopher Hempson in 2024, with an average age of 78.
Has Christopher Merill Hempson received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Christopher Hempson from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Christopher Merill Hempson been practicing?
Christopher Hempson graduated from medical school in 2015, 11 years ago.
Selling to physician assistant practices?
See physician assistants in Washington 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