Dr. Tanya Nicole Riddle, MD
- Medicare services, 2024
- 26,554
- Medicare patients, 2024
- 1,300
- Part D claims, 2024
- 618
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 1233 N 30th St, Billings, MT 59101
- Practice phone
- Call (406) 237-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Vincent Healthcare
Billings, Montana
Find Dr. Riddle's professional email, personal email and mobile number
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Dr. Tanya Nicole Riddle is a dermatologist in Billings, Montana
Dr. Riddle practices at St Vincent Healthcare in Billings, Montana.
Dr. Riddle's NPI, 1497010250, was assigned on July 9, 2012. Dr. Riddle graduated from University of Texas Medical School at Houston in 2011. Dr. Riddle holds Colorado license DR.0059031.
- NPI
- 1497010250NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345554721
- NPI enumeration date
- July 9, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 237-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tanya Nicole Riddle practices at St Vincent Healthcare in Billings, Montana
Dr. Riddle's primary practice is St Vincent Healthcare, at 1233 N 30th St, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 237-7000.
- St Vincent Healthcare1233 N 30th St, Billings, MT 59101 · Yellowstone CountyPhone(406) 237-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tanya Nicole Riddle is affiliated with 4 sites of care and 2 medical groups
Dr. Riddle's primary practice is St Vincent Healthcare in Billings, Montana. Dr. Riddle is also affiliated with St. Vincent Regional Hospital. The medical group on file is Billings Dermatology & Aesthetics. Dmand AI also links Dr. Riddle to 2 more group practices and clinics and 1 medical group, 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. Tanya Nicole Riddle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riddle practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Vincent Healthcare | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tanya Nicole Riddle is one of 51 dermatologists in Montana
Dermatology is Dr. Riddle's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Riddle is licensed in Colorado.
Specialties and state licenses
- Dermatology, ColoradoPrimary
Dermatologists near Dr. Riddle
Counts of dermatologists 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. Tanya Nicole Riddle billed Medicare for 26,554 services in 2024
CMS data shows 26,554 Medicare services from Dr. Riddle across 35 procedure codes in 2024, for 1,300 Medicare patients. Medicare paid $546,560 for them. Every service was in an office.
Dr. Riddle's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 35,6512024: 22,21938%
- Surgery
- 2023: 2,8952024: 2,25722%
- Office and hospital visits
- 2023: 1,2672024: 1,03219%
- Lab and pathology
- 2023: 1,1052024: 94415%
- Tests and treatments
- 2023: 1782024: 10243%
Dr. Riddle compared with the Montana median for dermatologists, 2024
- Dr. Riddle
- Montana median
- Medicare services
- 26,554vs 3,1108.5 times
- Medicare patients
- 1,300vs 82857% above
- Part D claims
- 487vs 39523% above
Medians across 55 dermatologists in Montana with Dmand AI profiles that report each measure.
Dr. Riddle'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. Riddle and other dermatologists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tanya Nicole Riddle treated 1,300 Medicare patients in 2024, average age 75
CMS counts 1,300 Medicare patients who saw Dr. Riddle in 2024. The largest group is 65 to 74, with 636 patients. 58% of them have high blood pressure, and 56% have high cholesterol. 2% are also on Medicaid. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Riddle's median patient age at 75, with 50% women.
Dr. Riddle's Medicare patients by age, 2024
Dr. Riddle's Medicare patients by sex, 2024
- Women70354%
- Men59746%
Chronic conditions among Dr. Riddle's Medicare patients, 2024
- High blood pressure58%
- High cholesterol56%
- Arthritis36%
- Diabetes18%
- Cancer15%
- Ischemic heart disease15%
- Mood disorders15%
- Atrial fibrillation14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Riddle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tanya Nicole Riddle wrote 618 Medicare Part D claims in 2024
In 2024, Dr. Riddle wrote 618 Medicare Part D claims for 317 patients. 96% of them were for generic drugs. CMS names the drug for 487 of them, across 12 drugs with 11 or more claims each, at $11,916 in total drug cost. In 2023, CMS named 529 claims across 14 drugs.
Dr. Riddle's Part D claims by kind of drug, 2024
- Generic592 claims96%
- Brand-name26 claims4%
Dr. Riddle'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. Riddle's Part D claims, 2024
- Antibiotics17%108 of 618 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: 5292024: 4878%
Drugs named by CMS: 12 in 2024, 14 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. Tanya Nicole Riddle 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. Riddle for performance year 2024, reported as part of a group. Dr. Riddle accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 139 procedures of melanoma (skin cancer) excision by Dr. Riddle, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Riddle's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Riddle ranks in Medicare procedure volume
- Removal of skin cancer
- 62nd percentile539 procedures
- Removal of skin lesions
- 87th percentile504 procedures
- Skin biopsy
- 88th percentile251 procedures
- Melanoma (skin cancer) excision
- 95th percentile139 procedures
- Removal or shaving of skin growth
- 72nd percentile22 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. Tanya Nicole Riddle received $25,362 in industry payments from 2016 to 2025
CMS Open Payments shows 424 general payments to Dr. Riddle from 28 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 60% of the total. LEO Pharma Inc. paid the most, $18,996.
General payments to Dr. Riddle by program year, 2016 to 2025
General payments to Dr. Riddle by kind, 2016 to 2025
- Consulting fees$15,30060%
- Food and beverage$7,18028%
- Travel and lodging$2,70911%
- Education$1721%
Companies that paid Dr. Riddle 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. Tanya Nicole Riddle graduated from University of Texas Medical School at Houston
Dr. Riddle graduated from University of Texas Medical School at Houston in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tanya Nicole Riddle'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. Tanya Nicole Riddle
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. Tanya Nicole Riddle's NPI number?
Dr. Tanya Nicole Riddle's NPI number is 1497010250. It was assigned on July 9, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Tanya Nicole Riddle?
Dr. Tanya Nicole Riddle is a dermatologist in Billings, Montana. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Tanya Nicole Riddle practice?
Dr. Riddle practices at 1233 N 30th St, Billings, MT 59101. Dr. Riddle's primary practice is St Vincent Healthcare in Billings, Montana. Dmand AI also links Dr. Riddle to 2 group practices and clinics and 1 medical group.
What is Dr. Tanya Nicole Riddle's office phone number?
The practice phone on file for Dr. Riddle is (406) 237-7000.
What is Dr. Tanya Nicole Riddle's medical license number?
Dr. Riddle holds Colorado license DR.0059031.
Which hospitals is Dr. Tanya Nicole Riddle affiliated with?
Dr. Riddle is affiliated with St. Vincent Regional Hospital.
What medical group is Dr. Tanya Nicole Riddle part of?
Dr. Riddle is linked to Billings Dermatology & Aesthetics. Dmand AI links Dr. Riddle to 1 more medical group.
Does Dr. Tanya Nicole Riddle accept Medicare?
Yes. CMS data shows Dr. Riddle billed Medicare for 26,554 services in 2024, and Dr. Riddle accepts Medicare assignment.
What is Dr. Tanya Nicole Riddle's MIPS score?
Dr. Riddle'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. Tanya Nicole Riddle see?
CMS counts 1,300 Medicare patients who saw Dr. Riddle in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Tanya Nicole Riddle bill to Medicare?
In 2024, Dr. Riddle's most billed Medicare services were injected or infused drug (J7345), lab and pathology test (88305) and surgery: skin and soft tissue (17003).
Where did Dr. Tanya Nicole Riddle go to medical school?
Dr. Riddle graduated from University of Texas Medical School at Houston in 2011.
What drugs does Dr. Tanya Nicole Riddle prescribe most?
In 2024 Medicare Part D data, Dr. Riddle's most prescribed drugs by claims were Minoxidil, Cephalexin and Triamcinolone Acetonide.
Has Dr. Tanya Nicole Riddle received payments from drug or device companies?
CMS Open Payments shows $25,362 in general payments to Dr. Riddle from 28 companies from 2016 to 2025. The largest total came from LEO Pharma Inc.
How long has Dr. Tanya Nicole Riddle been practicing?
Dr. Riddle graduated from medical school in 2011, 15 years ago.
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