Dr. William L. Tonidandel, MD
- Medicare services, 2024
- 44
- Medicare patients, 2024
- 121
- MIPS score, 2024
- 84
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 2475 Broadway, Helena, MT 59601
- Practice phone
- Call (406) 442-2480
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tonidandel's professional email, personal email and mobile number
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Dr. William L. Tonidandel is an anesthesiologist in Helena, Montana
Dr. Tonidandel practices at St. Peter's Health Regional Medical Center in Helena, Montana, part of St. Peter's Health.
Dr. Tonidandel's NPI, 1497771190, was assigned on July 14, 2006. Dr. Tonidandel graduated from Vanderbilt University School of Medicine in 1998. Dr. Tonidandel holds Montana license 10314.
- NPI
- 1497771190NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123913365
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 442-2480
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William L. Tonidandel practices at St. Peter's Health Regional Medical Center in Helena, Montana
Dr. Tonidandel's primary practice is St. Peter's Health Regional Medical Center, at 2475 Broadway, Helena, MT 59601 in Lewis And Clark County. The practice phone is (406) 442-2480.
- St. Peter's Health Regional Medical Center2475 Broadway, Helena, MT 59601 · Lewis And Clark CountyPhone(406) 442-2480
Source: Dmand AI Affiliation Data
Dr. William L. Tonidandel is affiliated with 2 sites of care and 2 medical groups
Dr. Tonidandel's primary practice is St. Peter's Health Regional Medical Center in Helena, Montana, part of St. Peter's Health. The medical group on file is St. Peter's Health Medical Group. Dmand AI also links Dr. Tonidandel to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Tonidandel's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William L. Tonidandel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tonidandel practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Peter's Health Regional Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William L. Tonidandel is one of 232 anesthesiologists in Montana
Anesthesiology is Dr. Tonidandel's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Tonidandel is licensed in Montana.
Specialties and state licenses
- Anesthesiology, MontanaPrimary
Anesthesiologists near Dr. Tonidandel
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. William L. Tonidandel billed Medicare for 44 services in 2024
CMS data shows 44 Medicare services from Dr. Tonidandel across 3 procedure codes in 2024, for 121 Medicare patients. Medicare paid $7,256 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tonidandel's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 402024: 4410%
Dr. Tonidandel compared with the Montana median for anesthesiologists, 2024
- Dr. Tonidandel
- Montana median
- Medicare services
- 44vs 8347% below
- Medicare patients
- 121vs 17932% below
Medians across 251 anesthesiologists in Montana with Dmand AI profiles that report each measure.
Dr. Tonidandel'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tonidandel and other anesthesiologists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William L. Tonidandel treated 121 Medicare patients in 2024, average age 72
CMS counts 121 Medicare patients who saw Dr. Tonidandel in 2024. The largest group is 65 to 74, with 68 patients. 71% of them have high blood pressure, and 60% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tonidandel's median patient age at 56, with 60% women.
Dr. Tonidandel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tonidandel's Medicare patients by sex, 2024
- Women6251%
- Men5949%
Chronic conditions among Dr. Tonidandel's Medicare patients, 2024
- High blood pressure71%
- High cholesterol60%
- Arthritis57%
- Anxiety26%
- Mood disorders26%
- Depression22%
- Diabetes21%
- Osteoporosis20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tonidandel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William L. Tonidandel scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Tonidandel for performance year 2024, reported as part of a group. Dr. Tonidandel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tonidandel's MIPS scores, performance year 2024
- 84of 100Final score
- 71of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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. William L. Tonidandel graduated from Vanderbilt University School of Medicine
Dr. Tonidandel graduated from Vanderbilt University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William L. Tonidandel'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. William L. Tonidandel
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 L. Tonidandel's NPI number?
Dr. William L. Tonidandel's NPI number is 1497771190. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William L. Tonidandel?
Dr. William L. Tonidandel is an anesthesiologist in Helena, Montana. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. William L. Tonidandel practice?
Dr. Tonidandel practices at 2475 Broadway, Helena, MT 59601. Dr. Tonidandel's primary practice is St. Peter's Health Regional Medical Center in Helena, Montana, part of St. Peter's Health. Dmand AI also links Dr. Tonidandel to 1 group practice or clinic and 1 medical group.
What is Dr. William L. Tonidandel's office phone number?
The practice phone on file for Dr. Tonidandel is (406) 442-2480.
What is Dr. William L. Tonidandel's medical license number?
Dr. Tonidandel holds Montana license 10314.
Which hospitals is Dr. William L. Tonidandel affiliated with?
Dr. Tonidandel practices at St. Peter's Health Regional Medical Center in Helena, Montana.
What medical group is Dr. William L. Tonidandel part of?
Dr. Tonidandel is linked to St. Peter's Health Medical Group. Dmand AI links Dr. Tonidandel to 1 more medical group.
Does Dr. William L. Tonidandel accept Medicare?
Yes. CMS data shows Dr. Tonidandel billed Medicare for 44 services in 2024, and Dr. Tonidandel accepts Medicare assignment.
What is Dr. William L. Tonidandel's MIPS score?
Dr. Tonidandel's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. William L. Tonidandel see?
CMS counts 121 Medicare patients who saw Dr. Tonidandel in 2024, with an average age of 72.
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What services does Dr. William L. Tonidandel bill to Medicare?
In 2024, Dr. Tonidandel's most billed Medicare services were anesthesia (00811), anesthesia (00840) and anesthesia (01214).
Where did Dr. William L. Tonidandel go to medical school?
Dr. Tonidandel graduated from Vanderbilt University School of Medicine in 1998.
How long has Dr. William L. Tonidandel been practicing?
Dr. Tonidandel graduated from medical school in 1998, 28 years ago.
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