Mark K. Spencer, PA
- Medicare patients, 2024
- 174
- Part D claims, 2024
- 438
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2865 Daggett Avenue, Klamath Falls, OR 97601
- Practice phone
- Call (541) 882-6311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Mark K. Spencer is a physician assistant in Klamath Falls, Oregon
Mark Spencer practices at Sky Lakes Medical Center in Klamath Falls, Oregon, part of Sky Lakes Medical Center.
Mark Spencer's NPI, 1033114517, was assigned on June 20, 2005. Mark Spencer graduated from Oregon Health Sciences University School of Medicine in 1998. Mark Spencer holds Oregon license PA00617.
- NPI
- 1033114517NPI Registry (opens in a new tab)
- NPI enumeration date
- June 20, 2005
- NPI status
- Active
- Practice phone
- (541) 882-6311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Mark K. Spencer practices at Sky Lakes Medical Center in Klamath Falls, Oregon
Mark Spencer's primary practice is Sky Lakes Medical Center, at 2865 Daggett Avenue, Klamath Falls, OR 97601 in Klamath County. The practice phone is (541) 882-6311.
- Sky Lakes Medical Center2865 Daggett Avenue, Klamath Falls, OR 97601 · Klamath CountyPhone(541) 882-6311
Source: Dmand AI Affiliation Data
Mark K. Spencer is affiliated with 1 site of care and 1 medical group
Mark Spencer's primary practice is Sky Lakes Medical Center in Klamath Falls, Oregon, part of Sky Lakes Medical Center. The medical group on file is Quorum Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark K. Spencer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Spencer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sky Lakes Medical Center | 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 Sky Lakes Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Mark K. Spencer is one of 1,937 physician assistants in Oregon
Physician assistant is Mark Spencer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mark Spencer is licensed in Oregon.
Specialties and state licenses
- Physician assistant, OregonPrimary
Physician assistants near Mark Spencer
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
Mark K. Spencer treated 174 Medicare patients in 2024, average age 72
CMS counts 174 Medicare patients who saw Mark Spencer in 2024. The largest group is 65 to 74, with 93 patients. 74% of them have high cholesterol, and 63% have high blood pressure. 11% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Spencer's median patient age at 61, with 61% women.
Mark Spencer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mark Spencer's Medicare patients by sex, 2024
- Women10862%
- Men6638%
Chronic conditions among Mark Spencer's Medicare patients, 2024
- High cholesterol74%
- High blood pressure63%
- Arthritis52%
- Mood disorders29%
- Anxiety27%
- Depression24%
- Ischemic heart disease24%
- Osteoporosis21%
Share of Medicare patients with each condition. A patient can have several.
Mark Spencer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark K. Spencer wrote 438 Medicare Part D claims in 2024
In 2024, Mark Spencer wrote 438 Medicare Part D claims for 231 patients. 75% of them were for generic drugs.
Mark Spencer's Part D claims by kind of drug, 2024
- Generic330 claims75%
- Brand-name108 claims25%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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.
Mark K. Spencer graduated from Oregon Health Sciences University School of Medicine
Mark Spencer graduated from Oregon Health Sciences University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark K. Spencer'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 (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 Mark K. Spencer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark K. Spencer's NPI number?
Mark K. Spencer's NPI number is 1033114517. It was assigned on June 20, 2005, and it is active in the NPI Registry.
What does Mark K. Spencer specialize in?
Mark K. Spencer is a physician assistant in Klamath Falls, Oregon. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mark K. Spencer practice?
Mark Spencer practices at 2865 Daggett Avenue, Klamath Falls, OR 97601. Mark Spencer's primary practice is Sky Lakes Medical Center in Klamath Falls, Oregon, part of Sky Lakes Medical Center.
What is Mark K. Spencer's office phone number?
The practice phone on file for Mark Spencer is (541) 882-6311.
What is Mark K. Spencer's medical license number?
Mark Spencer holds Oregon license PA00617.
Which hospitals is Mark K. Spencer affiliated with?
Mark Spencer practices at Sky Lakes Medical Center in Klamath Falls, Oregon.
What medical group is Mark K. Spencer part of?
Mark Spencer is linked to Quorum Health.
How many Medicare patients does Mark K. Spencer see?
CMS counts 174 Medicare patients who saw Mark Spencer in 2024, with an average age of 72.
Where did Mark K. Spencer go to medical school?
Mark Spencer graduated from Oregon Health Sciences University School of Medicine in 1998.
How long has Mark K. Spencer been practicing?
Mark Spencer graduated from medical school in 1998, 28 years ago.
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