Dr. Ryan Joseph Longfellow, MD
- Medicare services, 2024
- 87
- Medicare patients, 2024
- 246
- MIPS score, 2024
- 83
- Hospital affiliations
- 2
- Medical groups
- 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. Longfellow's professional email, personal email and mobile number
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Dr. Ryan Joseph Longfellow is an anesthesiologist in Madison, Wisconsin
Dr. Longfellow practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Longfellow's NPI, 1356768683, was assigned on March 25, 2014. Dr. Longfellow graduated from Indiana University School of Medicine in 2014. Dr. Longfellow holds Alaska license 143984.
- NPI
- 1356768683NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557586542
- NPI enumeration date
- March 25, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Joseph Longfellow practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Longfellow'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 Joseph Longfellow is affiliated with 3 sites of care and 2 medical groups
Dr. Longfellow's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Longfellow is also affiliated with University Hospital. The medical group on file is UW Health. Dmand AI also links Dr. Longfellow to 1 more hospital and 1 medical group, each named with a free account. Dr. Longfellow's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Joseph Longfellow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Longfellow 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 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Joseph Longfellow is one of 1,001 anesthesiologists in Wisconsin
Anesthesiology is Dr. Longfellow's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Longfellow's licenses on file in 2 states: Alaska and Indiana.
Specialties and state licenses
- Anesthesiology, AlaskaPrimary
- Indiana license
Anesthesiologists near Dr. Longfellow
Counts of anesthesiologists 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. Ryan Joseph Longfellow billed Medicare for 87 services in 2024
CMS data shows 87 Medicare services from Dr. Longfellow across 4 procedure codes in 2024, for 246 Medicare patients. Medicare paid $6,008 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Longfellow's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 02024: 63
- Anesthesia
- 2023: 932024: 2474%
Dr. Longfellow compared with the Wisconsin median for anesthesiologists, 2024
- Dr. Longfellow
- Wisconsin median
- Medicare services
- 87vs 4881% above
- Medicare patients
- 246vs 1192.1 times
Medians across 995 anesthesiologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Longfellow'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Joseph Longfellow treated 246 Medicare patients in 2024, average age 72
CMS counts 246 Medicare patients who saw Dr. Longfellow in 2024. The largest group is 65 to 74, with 119 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.54, 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. Longfellow's median patient age at 43, with 52% women.
Dr. Longfellow's Medicare patients by age, 2024
Dr. Longfellow's Medicare patients by sex, 2024
- Women11647%
- Men13053%
Chronic conditions among Dr. Longfellow's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis54%
- Ischemic heart disease35%
- Mood disorders31%
- Anxiety30%
- Chronic kidney disease30%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Longfellow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Joseph Longfellow scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Longfellow for performance year 2024, reported as part of a group. Dr. Longfellow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Longfellow's MIPS scores, performance year 2024
- 83of 100Final score
- 87.8of 100Quality
- 77of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Ryan Joseph Longfellow graduated from Indiana University School of Medicine
Dr. Longfellow graduated from Indiana University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan Joseph Longfellow'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) |
| 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) |
| 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 Joseph Longfellow
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What is Dr. Ryan Joseph Longfellow's NPI number?
Dr. Ryan Joseph Longfellow's NPI number is 1356768683. It was assigned on March 25, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Joseph Longfellow?
Dr. Ryan Joseph Longfellow is an anesthesiologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Ryan Joseph Longfellow practice?
Dr. Longfellow practices at 600 Highland Ave, Madison, WI 53792. Dr. Longfellow's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dmand AI also links Dr. Longfellow to 1 hospital and 1 medical group.
What is Dr. Ryan Joseph Longfellow's office phone number?
The practice phone on file for Dr. Longfellow is (608) 265-1978.
What is Dr. Ryan Joseph Longfellow's medical license number?
Dr. Longfellow holds Alaska license 143984, one of the licenses on file in 2 states.
Which states has Dr. Ryan Joseph Longfellow been licensed in?
Dmand AI has state licenses on file for Dr. Longfellow in Alaska and Indiana.
Which hospitals is Dr. Ryan Joseph Longfellow affiliated with?
Dr. Longfellow is affiliated with University Hospital. Dmand AI links Dr. Longfellow to 1 more hospital.
What medical group is Dr. Ryan Joseph Longfellow part of?
Dr. Longfellow is linked to UW Health. Dmand AI links Dr. Longfellow to 1 more medical group.
Does Dr. Ryan Joseph Longfellow accept Medicare?
Yes. CMS data shows Dr. Longfellow billed Medicare for 87 services in 2024, and Dr. Longfellow accepts Medicare assignment.
What is Dr. Ryan Joseph Longfellow's MIPS score?
Dr. Longfellow's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Ryan Joseph Longfellow see?
CMS counts 246 Medicare patients who saw Dr. Longfellow in 2024, with an average age of 72.
What services does Dr. Ryan Joseph Longfellow bill to Medicare?
In 2024, Dr. Longfellow's most billed Medicare services were office visit, new patient (99203), anesthesia (00731) and office visit, new patient (99204).
Where did Dr. Ryan Joseph Longfellow go to medical school?
Dr. Longfellow graduated from Indiana University School of Medicine in 2014.
How long has Dr. Ryan Joseph Longfellow been practicing?
Dr. Longfellow graduated from medical school in 2014, 12 years ago.
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