Dr. William Ratigan Ranger, MD
- Medicare services, 2024
- 9,107
- Medicare patients, 2024
- 325
- Part D claims, 2024
- 226
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 1815 Henson Ave, Kalamazoo, MI 49048
- Practice phone
- Call (269) 492-6507
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Vascular Surgery
Kalamazoo, Michigan
Find Dr. Ranger'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.
Dr. William Ratigan Ranger is a vascular surgeon in Kalamazoo, Michigan
Dr. Ranger practices at Advanced Vascular Surgery in Kalamazoo, Michigan.
Dr. Ranger's NPI, 1235121989, was assigned on August 18, 2005. Dr. Ranger graduated from University of Michigan Medical School in 1990. Dr. Ranger holds Michigan license 4301058472.
- NPI
- 1235121989NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153394853
- NPI enumeration date
- August 18, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 492-6507
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Ratigan Ranger practices at Advanced Vascular Surgery in Kalamazoo, Michigan
Dr. Ranger's primary practice is Advanced Vascular Surgery, at 1815 Henson Ave, Kalamazoo, MI 49048 in Kalamazoo County. The practice phone is (269) 492-6507.
- Advanced Vascular Surgery1815 Henson Ave, Kalamazoo, MI 49048 · Kalamazoo CountyPhone(269) 492-6507
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Ratigan Ranger is affiliated with 5 sites of care and 4 medical groups
Dr. Ranger's primary practice is Advanced Vascular Surgery in Kalamazoo, Michigan. Dr. Ranger is also affiliated with Beacon Kalamazoo. The medical group on file is Ascension Borgess. Dmand AI also links Dr. Ranger to 3 more medical groups, 2 group practices and clinics and 1 physician office, 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 Dr. William Ratigan Ranger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ranger practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Vascular Surgery | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Ratigan Ranger is one of 171 vascular surgeons in Michigan
Vascular surgery is Dr. Ranger's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Ranger is licensed in Michigan.
Specialties and state licenses
- Vascular surgery, MichiganPrimary
Vascular surgeons near Dr. Ranger
Counts of vascular surgeons 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. William Ratigan Ranger billed Medicare for 9,107 services in 2024
CMS data shows 9,107 Medicare services from Dr. Ranger across 31 procedure codes in 2024, for 325 Medicare patients. Medicare paid $335,194 for them.
Dr. Ranger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 7,7092024: 7,700No change
- Drugs given in the office
- 2023: 5862024: 42827%
- Tests and treatments
- 2023: 3652024: 3999%
- Office and hospital visits
- 2023: 3922024: 32816%
- Surgery
- 2023: 2312024: 13442%
- Lab and pathology
- 2023: 1052024: 6736%
- Imaging
- 2023: 1142024: 5155%
Where Dr. Ranger's Medicare services took place, 2024
- In an office9,05799%
- In a facility501%
Dr. Ranger compared with the Michigan median for vascular surgeons, 2024
- Dr. Ranger
- Michigan median
- Medicare services
- 9,107vs 80711.3 times
- Medicare patients
- 325vs 38516% below
- Part D claims
- 145vs 8179% above
Medians across 163 vascular surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Ranger'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. Ranger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ranger and other vascular surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Ratigan Ranger treated 325 Medicare patients in 2024, average age 71
CMS counts 325 Medicare patients who saw Dr. Ranger in 2024. The largest group is 65 to 74, with 111 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 3.99, 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. Ranger's median patient age at 72, with 49% women.
Dr. Ranger's Medicare patients by age, 2024
Dr. Ranger's Medicare patients by sex, 2024
- Women15347%
- Men17253%
Chronic conditions among Dr. Ranger's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Diabetes53%
- Ischemic heart disease49%
- Arthritis45%
- Heart failure45%
- COPD32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ranger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Ratigan Ranger wrote 226 Medicare Part D claims in 2024
In 2024, Dr. Ranger wrote 226 Medicare Part D claims for 68 patients. 83% of them were for generic drugs. CMS names the drug for 145 of them, across 2 drugs with 11 or more claims each, at $27,744 in total drug cost. In 2023, CMS named 110 claims across 2 drugs.
Dr. Ranger's Part D claims by kind of drug, 2024
- Generic187 claims83%
- Brand-name39 claims17%
Dr. Ranger'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.
Drug classes CMS tracks in Dr. Ranger's Part D claims, 2024
- Antibiotics12%28 of 226 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1102024: 14532%
Drugs named by CMS: 2 in 2024, 2 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. William Ratigan Ranger scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Ranger for performance year 2024, reported as part of a group. Dr. Ranger accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 23 procedures of leg revascularization (restoring blood flow) by Dr. Ranger, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Ranger's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Ranger ranks in Medicare procedure volume
- Leg revascularization (restoring blood flow)
- 83rd percentile23 procedures
- Varicose vein removal
- 54th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 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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Dr. William Ratigan Ranger received $22,534 in industry payments from 2016 to 2025
CMS Open Payments shows 429 general payments to Dr. Ranger from 47 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 67% of the total. Cook Medical LLC paid the most, $5,160.
General payments to Dr. Ranger by program year, 2016 to 2025
General payments to Dr. Ranger by kind, 2016 to 2025
- Food and beverage$15,14167%
- Travel and lodging$5,21423%
- Consulting fees$1,5007%
- Education$6793%
Companies that paid Dr. Ranger the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Ratigan Ranger graduated from University of Michigan Medical School
Dr. Ranger graduated from University of Michigan Medical School in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Ratigan Ranger'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 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)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) |
| 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. William Ratigan Ranger
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. William Ratigan Ranger's NPI number?
Dr. William Ratigan Ranger's NPI number is 1235121989. It was assigned on August 18, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William Ratigan Ranger?
Dr. William Ratigan Ranger is a vascular surgeon in Kalamazoo, Michigan. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. William Ratigan Ranger practice?
Dr. Ranger practices at 1815 Henson Ave, Kalamazoo, MI 49048. Dr. Ranger's primary practice is Advanced Vascular Surgery in Kalamazoo, Michigan. Dmand AI also links Dr. Ranger to 3 medical groups, 2 group practices and clinics and 1 physician office.
What is Dr. William Ratigan Ranger's office phone number?
The practice phone on file for Dr. Ranger is (269) 492-6507.
What is Dr. William Ratigan Ranger's medical license number?
Dr. Ranger holds Michigan license 4301058472.
Which hospitals is Dr. William Ratigan Ranger affiliated with?
Dr. Ranger is affiliated with Beacon Kalamazoo.
What medical group is Dr. William Ratigan Ranger part of?
Dr. Ranger is linked to Ascension Borgess. Dmand AI links Dr. Ranger to 3 more medical groups.
Does Dr. William Ratigan Ranger accept Medicare?
Yes. CMS data shows Dr. Ranger billed Medicare for 9,107 services in 2024, and Dr. Ranger accepts Medicare assignment.
What is Dr. William Ratigan Ranger's MIPS score?
Dr. Ranger's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. William Ratigan Ranger see?
CMS counts 325 Medicare patients who saw Dr. Ranger in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Dr. William Ratigan Ranger bill to Medicare?
In 2024, Dr. Ranger's most billed Medicare services were medicare temporary code (Q9967), injected or infused drug (J2720) and office visit, established patient (99214).
Where did Dr. William Ratigan Ranger go to medical school?
Dr. Ranger graduated from University of Michigan Medical School in 1990.
What drugs does Dr. William Ratigan Ranger prescribe most?
In 2024 Medicare Part D data, Dr. Ranger's most prescribed drugs by claims were Clopidogrel and Eliquis.
Has Dr. William Ratigan Ranger received payments from drug or device companies?
CMS Open Payments shows $22,534 in general payments to Dr. Ranger from 47 companies from 2016 to 2025. The largest total came from Cook Medical LLC.
How long has Dr. William Ratigan Ranger been practicing?
Dr. Ranger graduated from medical school in 1990, 36 years ago.
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