Katherine M. Riddle
- Medicare services, 2024
- 20
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 69
- Hospital affiliations
- 2
- Industry payments
- $390
- Practice address
- 2701 Tamarack Ave, South Windsor, CT 06074
- Practice phone
- Call (860) 646-1157
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
OBGYN Group of Eastern Connecticut
South Windsor, Connecticut
Find Katherine Riddle'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.
Katherine M. Riddle is an OB-GYN in South Windsor, Connecticut
Katherine Riddle practices at OBGYN Group of Eastern Connecticut in South Windsor, Connecticut.
Katherine Riddle's NPI, 1669866588, was assigned on March 28, 2015. Katherine Riddle graduated from Creighton University School of Medicine in 2015. Katherine Riddle holds Connecticut license 63724.
- NPI
- 1669866588NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355655812
- NPI enumeration date
- March 28, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 646-1157
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine M. Riddle practices at OBGYN Group of Eastern Connecticut in South Windsor, Connecticut
Katherine Riddle's primary practice is OBGYN Group of Eastern Connecticut, at 2701 Tamarack Ave, South Windsor, CT 06074 in Capitol County. The practice phone is (860) 646-1157.
- OBGYN Group of Eastern Connecticut2701 Tamarack Ave, South Windsor, CT 06074 · Capitol CountyPhone(860) 646-1157
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine M. Riddle is affiliated with 4 sites of care and 1 medical group
Katherine Riddle's primary practice is OBGYN Group of Eastern Connecticut in South Windsor, Connecticut. Katherine Riddle is also affiliated with Manchester Memorial Hospital. The medical group on file is OBGYN Group of Eastern Connecticut. Dmand AI also links Katherine Riddle to 1 more hospital and 1 group practice or clinic, 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 Katherine M. Riddle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Riddle practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OBGYN Group of Eastern Connecticut | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine M. Riddle is one of 591 OB-GYNs in Connecticut
Obstetrics and gynecology is Katherine Riddle's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Katherine Riddle is licensed in Connecticut.
Specialties and state licenses
- Obstetrics and gynecology, ConnecticutPrimary
OB-GYNs near Katherine Riddle
Counts of OB-GYNs 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
Katherine M. Riddle billed Medicare for 20 services in 2024
CMS data shows 20 Medicare services from Katherine Riddle across 1 procedure code in 2024, all of them office visits, for 29 Medicare patients. Medicare paid $1,048 for them. Every service was in an office.
Katherine Riddle's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 02024: 20
- Other services
- 2023: 142024: 0100%
Katherine Riddle compared with the Connecticut median for OB-GYNs, 2024
- Katherine Riddle
- Connecticut median
- Medicare services
- 20vs 7071% below
- Medicare patients
- 29vs 4941% below
- Part D claims
- 14vs 5474% below
Medians across 541 OB-GYNs in Connecticut with Dmand AI profiles that report each measure.
Katherine 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 Katherine Riddle and other OB-GYNs in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Katherine M. Riddle treated 29 Medicare patients in 2024, average age 69
CMS counts 29 Medicare patients who saw Katherine Riddle in 2024. The largest group is 65 to 74, with 15 patients. 66% of them have high blood pressure, and 62% have high cholesterol. Their average risk score is 0.78, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katherine Riddle's median patient age at 37, with 98% women.
Katherine Riddle's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Katherine Riddle's Medicare patients, 2024
- High blood pressure66%
- High cholesterol62%
Share of Medicare patients with each condition. A patient can have several.
Katherine 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 37
Patient panel by sex, all payers
- Women98%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katherine M. Riddle wrote 69 Medicare Part D claims in 2024
In 2024, Katherine Riddle wrote 69 Medicare Part D claims for 36 patients. 88% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $629 in total drug cost. In 2023, CMS named 17 claims across 1 drug.
Katherine Riddle's Part D claims by kind of drug, 2024
- Generic61 claims88%
- Brand-name and other8 claims12%
Katherine 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 172024: 1418%
Drugs named by CMS: 1 in 2024, 1 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
How Katherine M. Riddle takes part in Medicare
Katherine Riddle accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Katherine M. Riddle received $390 in industry payments from 2020 to 2025
CMS Open Payments shows 19 general payments to Katherine Riddle from 10 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 94% of the total. CooperSurgical, Inc. paid the most, $100.
General payments to Katherine Riddle by program year, 2020 to 2025
General payments to Katherine Riddle by kind, 2020 to 2025
- Food and beverage$36594%
- Consulting fees$256%
Companies that paid Katherine Riddle the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Katherine M. Riddle graduated from Creighton University School of Medicine
Katherine Riddle graduated from Creighton University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Katherine M. 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) |
| 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 Katherine M. 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 Katherine M. Riddle's NPI number?
Katherine M. Riddle's NPI number is 1669866588. It was assigned on March 28, 2015, and it is active in the NPI Registry.
What does Katherine M. Riddle specialize in?
Katherine M. Riddle is an OB-GYN in South Windsor, Connecticut. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Katherine M. Riddle practice?
Katherine Riddle practices at 2701 Tamarack Ave, South Windsor, CT 06074. Katherine Riddle's primary practice is OBGYN Group of Eastern Connecticut in South Windsor, Connecticut. Dmand AI also links Katherine Riddle to 1 hospital and 1 group practice or clinic.
What is Katherine M. Riddle's office phone number?
The practice phone on file for Katherine Riddle is (860) 646-1157.
What is Katherine M. Riddle's medical license number?
Katherine Riddle holds Connecticut license 63724.
Which hospitals is Katherine M. Riddle affiliated with?
Katherine Riddle is affiliated with Manchester Memorial Hospital. Dmand AI links Katherine Riddle to 1 more hospital.
What medical group is Katherine M. Riddle part of?
Katherine Riddle is linked to OBGYN Group of Eastern Connecticut.
Does Katherine M. Riddle accept Medicare?
Yes. CMS data shows Katherine Riddle billed Medicare for 20 services in 2024, and Katherine Riddle accepts Medicare assignment.
How many Medicare patients does Katherine M. Riddle see?
CMS counts 29 Medicare patients who saw Katherine Riddle in 2024, with an average age of 69.
What services does Katherine M. Riddle bill to Medicare?
In 2024, Katherine Riddle's most billed Medicare services were office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Katherine M. Riddle go to medical school?
Katherine Riddle graduated from Creighton University School of Medicine in 2015.
What drugs does Katherine M. Riddle prescribe most?
In 2024 Medicare Part D data, Katherine Riddle's most prescribed drugs by claims were Estradiol.
Has Katherine M. Riddle received payments from drug or device companies?
CMS Open Payments shows $390 in general payments to Katherine Riddle from 10 companies from 2020 to 2025. The largest total came from CooperSurgical, Inc.
How long has Katherine M. Riddle been practicing?
Katherine Riddle graduated from medical school in 2015, 11 years ago.
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