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Dr. Ryan J. Spencer, MD
NPI1881859684PAC ID9830356286
- Medicare services, 2024
- 188
- Medicare patients, 2024
- 102
- Part D claims, 2024
- 74
- Publications
- 74
- Clinical trials
- 2
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
Find Dr. Spencer's professional email, personal email and mobile number
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Dr. Ryan J. Spencer is a gynecologic oncologist in Madison, Wisconsin
Dr. Spencer practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Spencer's NPI, 1881859684, was assigned on July 22, 2008. Dr. Spencer graduated from State University of New York at Stony Brook, School of Medicine in 2007. Dr. Spencer holds Wisconsin license 56994.
NPI and contact details
- NPI
- 1881859684NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830356286
- NPI enumeration date
- July 22, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan J. Spencer practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Spencer's primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.
- University Health Services - Madison (Highland Ave)600 Highland Ave, Madison, WI 53792Phone(608) 265-1978
Source: Dmand AI Affiliation Data
Dr. Ryan J. Spencer is affiliated with 3 sites of care and 4 medical groups
Dr. Spencer's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Spencer is also affiliated with University Hospital. The medical group on file is UW Health. Dmand AI also links Dr. Spencer to 1 more hospital and 3 medical groups, each named with a free account. Dr. Spencer's employer is on file too: a school & student health.
University Health Services - Madison (Highland Ave)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan J. Spencer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spencer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan J. Spencer is one of 29 gynecologic oncologists in Wisconsin
Gynecologic oncology is Dr. Spencer's primary specialty in the NPI Registry, under taxonomy code 207VX0201X. Dr. Spencer is licensed in Wisconsin.
Specialties and state licenses
- Gynecologic oncology, WisconsinPrimary
Gynecologic oncologists near Dr. Spencer
Counts of gynecologic oncologists with a Dmand AI profile, by place and practice. Each opens the list.
29gynecologic oncologists in Wisconsin
9gynecologic oncologists in Madison
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryan J. Spencer billed Medicare for 188 services in 2024
CMS data shows 188 Medicare services from Dr. Spencer across 8 procedure codes in 2024, for 102 Medicare patients. Medicare paid $21,176 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024188
Medicare patients102
Paid by Medicare$21,176
Procedure codes8
Dr. Spencer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1642024: 11729%
- Surgery
- 2023: 762024: 4047%
- Other services
- 2023: 02024: 31
Dr. Spencer compared with the Wisconsin median for gynecologic oncologists, 2024
- Dr. Spencer
- Wisconsin median
- Medicare services
- 188vs 15224% above
- Medicare patients
- 102vs 98Close to median
- Part D claims
- 18vs 4762% below
Medians across 31 gynecologic oncologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Spencer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Spencer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Spencer and other gynecologic oncologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan J. Spencer treated 102 Medicare patients in 2024, average age 73
CMS counts 102 Medicare patients who saw Dr. Spencer in 2024. The largest group is 65 to 74, with 54 patients. 66% of them have high blood pressure, and 63% have cancer. 11% are also on Medicaid. Their average risk score is 2.02, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Spencer's median patient age at 69, with 100% women.
Medicare patients, 2024102
Average age73
Average risk score2.02
Also on Medicaid11%
Dr. Spencer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Spencer's Medicare patients, 2024
- High blood pressure66%
- Cancer63%
- High cholesterol59%
- Arthritis28%
- Mood disorders28%
- Anxiety27%
- Depression26%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 69
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan J. Spencer wrote 74 Medicare Part D claims in 2024
In 2024, Dr. Spencer wrote 74 Medicare Part D claims for 22 patients. 68% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $287,363 in total drug cost. In 2023, CMS named 41 claims across 3 drugs.
Part D claims, 202474
Drugs named by CMS1
Total drug cost$287,363
Part D patients22
Dr. Spencer's Part D claims by kind of drug, 2024
- Generic50 claims68%
- Brand-name24 claims32%
Dr. Spencer'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 412024: 1856%
Drugs named by CMS: 1 in 2024, 3 in 2023.
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
Dr. Ryan J. Spencer ranks in the 94th percentile for removal of the uterus in Medicare
Dr. Spencer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Spencer as offering telehealth. CMS counts 22 procedures of removal of the uterus by Dr. Spencer, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Spencer ranks in Medicare procedure volume
- Removal of the uterus
- 94th percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ryan J. Spencer has 74 publications on record
Dmand AI links 74 papers to Dr. Spencer, published from 2011 to 2025. 2023 was the busiest year, with 7. The most frequent topics are Endometrial Neoplasms, Ovarian Neoplasms and Postoperative Complications. Dr. Spencer has published most often in Gynecol Oncol. Dr. Spencer's most frequent co-authors are Laurel W. Rice, Shitanshu Uppal, MD and Stephen L. Rose, MD.
Papers74
Years published2011 to 2025
Dr. Spencer's papers by year, 2016 to 2025
Topics Dr. Spencer writes about most
- Endometrial Neoplasms
- Ovarian Neoplasms
- Postoperative Complications
- Genital Neoplasms, Female
- Hysterectomy
- Laparoscopy
- Gynecologic Surgical Procedures
- Cancer Survivors
Dr. Spencer's most frequent co-authors
- Laurel W. Rice21 shared papers
- Shitanshu Uppal, MD20 shared papers
- Stephen L. Rose, MD12 shared papers
Recent publications by Dr. Spencer
Perinatal medicine's best treatment: how should we be using antenatal steroids? (opens in a new tab)
Arch Dis Child Fetal Neonatal Ed
HysterectomyPostoperative ComplicationsUrinary Retention
GynecologyInternship and ResidencyObstetrics
See who Dr. Spencer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Spencer works with, so you can find a warm path to the right gynecologic oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan J. Spencer has worked on 2 clinical trials
Dmand AI links Dr. Spencer to 2 clinical trials. Conditions studied include Medication Adherence, Sexual Dysfunction, Physiological and Fatigue. University of Wisconsin, Madison sponsors the most, 2.
Conditions in Dr. Spencer's trials
- Medication Adherence
- Sexual Dysfunction, Physiological
- Fatigue
- Patient Compliance
Recent clinical trials with Dr. Spencer
Medication AdherencePatient ComplianceVaginal Renewal Program
Sexual Dysfunction, PhysiologicalFatigue
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Ryan J. Spencer received $49 in industry payments from 2018 to 2019
CMS Open Payments shows 3 general payments to Dr. Spencer from 2 drug and device companies from 2018 to 2019. Education make up the largest share, 57% of the total. AMAG Pharmaceuticals, Inc. paid the most, $28.
General payments to Dr. Spencer by program year, 2018 to 2019
General payments to Dr. Spencer by kind, 2018 to 2019
$49in total
- Education$2857%
- Food and beverage$2143%
Companies that paid Dr. Spencer the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan J. Spencer graduated from State University of New York at Stony Brook, School of Medicine
Dr. Spencer graduated from State University of New York at Stony Brook, School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan J. 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 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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (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 J. 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 Dr. Ryan J. Spencer's NPI number?
Dr. Ryan J. Spencer's NPI number is 1881859684. It was assigned on July 22, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan J. Spencer?
Dr. Ryan J. Spencer is a gynecologic oncologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Gynecologic Oncology Physician (taxonomy code 207VX0201X).
Where does Dr. Ryan J. Spencer practice?
Dr. Spencer practices at 600 Highland Ave, Madison, WI 53792. Dr. Spencer's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dmand AI also links Dr. Spencer to 1 hospital and 3 medical groups.
What is Dr. Ryan J. Spencer's office phone number?
The practice phone on file for Dr. Spencer is (608) 265-1978.
What is Dr. Ryan J. Spencer's medical license number?
Dr. Spencer holds Wisconsin license 56994.
Which hospitals is Dr. Ryan J. Spencer affiliated with?
Dr. Spencer is affiliated with University Hospital. Dmand AI links Dr. Spencer to 1 more hospital.
What medical group is Dr. Ryan J. Spencer part of?
Dr. Spencer is linked to UW Health. Dmand AI links Dr. Spencer to 3 more medical groups.
Does Dr. Ryan J. Spencer accept Medicare?
Yes. CMS data shows Dr. Spencer billed Medicare for 188 services in 2024, and Dr. Spencer accepts Medicare assignment.
Does Dr. Ryan J. Spencer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Spencer as offering telehealth services.
How many Medicare patients does Dr. Ryan J. Spencer see?
CMS counts 102 Medicare patients who saw Dr. Spencer in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Ryan J. Spencer bill to Medicare?
In 2024, Dr. Spencer's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Ryan J. Spencer go to medical school?
Dr. Spencer graduated from State University of New York at Stony Brook, School of Medicine in 2007.
What drugs does Dr. Ryan J. Spencer prescribe most?
In 2024 Medicare Part D data, Dr. Spencer's most prescribed drugs by claims were Lynparza.
Has Dr. Ryan J. Spencer received payments from drug or device companies?
CMS Open Payments shows $49 in general payments to Dr. Spencer from 2 companies from 2018 to 2019. The largest total came from AMAG Pharmaceuticals, Inc.
How long has Dr. Ryan J. Spencer been practicing?
Dr. Spencer graduated from medical school in 2007, 19 years ago.
Does Dr. Ryan J. Spencer do research?
Dmand AI links 74 publications to Dr. Spencer, published from 2011 to 2025. Dr. Spencer has worked on 2 clinical trials.
Who does Dr. Ryan J. Spencer publish with?
Dr. Spencer's most frequent co-authors are Laurel W. Rice (21 shared papers), Shitanshu Uppal, MD (20 shared papers) and Stephen L. Rose, MD (12 shared papers).
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