Dr. Kathleen S. Larkin, MD
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 31
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Industry payments
- $184
- Practice address
- 401 Bicentennial Way, Santa Rosa, CA 95403
- Practice phone
- Call (707) 571-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Larkin'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. Kathleen S. Larkin is an OB-GYN in Santa Rosa, California
Dr. Larkin practices at Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
Dr. Larkin's NPI, 1710103718, was assigned on April 18, 2007. Dr. Larkin graduated from Ohio State University College of Medicine in 2006. Dr. Larkin holds Illinois license 036.125185.
- NPI
- 1710103718NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143414169
- NPI enumeration date
- April 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 571-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathleen S. Larkin practices at Santa Rosa Medical Center in Santa Rosa, California
Dr. Larkin's primary practice is Santa Rosa Medical Center, at 401 Bicentennial Way, Santa Rosa, CA 95403 in Sonoma County. The practice phone is (707) 571-4000.
- Santa Rosa Medical Center401 Bicentennial Way, Santa Rosa, CA 95403 · Sonoma CountyPhone(707) 571-4000
Source: Dmand AI Affiliation Data
Dr. Kathleen S. Larkin is affiliated with 1 site of care and 1 medical group
Dr. Larkin's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathleen S. Larkin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larkin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Rosa Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kathleen S. Larkin is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Larkin's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Larkin is licensed in Illinois.
Specialties and state licenses
- Obstetrics and gynecology, IllinoisPrimary
OB-GYNs near Dr. Larkin
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
Dr. Kathleen S. Larkin treated 19 Medicare patients in 2024, average age 68
CMS counts 19 Medicare patients who saw Dr. Larkin in 2024. 74% of them have high cholesterol, and 63% have arthritis. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Larkin's median patient age at 33, with 99% women.
Chronic conditions among Dr. Larkin's Medicare patients, 2024
- High cholesterol74%
- Arthritis63%
- High blood pressure58%
Share of Medicare patients with each condition. A patient can have several.
Dr. Larkin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathleen S. Larkin wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Larkin wrote 31 Medicare Part D claims for 14 patients. 90% of them were for generic drugs. They cover 2 drugs, with $1,917 in total drug cost. In 2021, CMS named 44 claims across 2 drugs.
Dr. Larkin's Part D claims by kind of drug, 2024
- Generic28 claims90%
- Brand-name and other3 claims10%
Dr. Larkin's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 442022: 5014%
Drugs named by CMS: 2 in 2022, 2 in 2021.
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. Kathleen S. Larkin scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Larkin for performance year 2024, reported through an alternative payment model (APM). Dr. Larkin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Larkin's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Kathleen S. Larkin received $184 in industry payments from 2017 to 2025
CMS Open Payments shows 4 general payments to Dr. Larkin from 3 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Gynesonics, Inc. paid the most, $135.
General payments to Dr. Larkin by program year, 2017 to 2025
Companies that paid Dr. Larkin the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathleen S. Larkin graduated from Ohio State University College of Medicine
Dr. Larkin graduated from Ohio State University College of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kathleen S. Larkin'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 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) |
| 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. Kathleen S. Larkin
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. Kathleen S. Larkin's NPI number?
Dr. Kathleen S. Larkin's NPI number is 1710103718. It was assigned on April 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathleen S. Larkin?
Dr. Kathleen S. Larkin is an OB-GYN in Santa Rosa, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Kathleen S. Larkin practice?
Dr. Larkin practices at 401 Bicentennial Way, Santa Rosa, CA 95403. Dr. Larkin's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
What is Dr. Kathleen S. Larkin's office phone number?
The practice phone on file for Dr. Larkin is (707) 571-4000.
What is Dr. Kathleen S. Larkin's medical license number?
Dr. Larkin holds Illinois license 036.125185.
Which hospitals is Dr. Kathleen S. Larkin affiliated with?
Dr. Larkin practices at Santa Rosa Medical Center in Santa Rosa, California.
What medical group is Dr. Kathleen S. Larkin part of?
Dr. Larkin is linked to The Permanente Medical Group, Inc.
Does Dr. Kathleen S. Larkin accept Medicare?
Yes. CMS lists Dr. Larkin as accepting Medicare assignment.
What is Dr. Kathleen S. Larkin's MIPS score?
Dr. Larkin's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Kathleen S. Larkin see?
CMS counts 19 Medicare patients who saw Dr. Larkin in 2024, with an average age of 68.
Show 4 more questionsShow fewer questions
Where did Dr. Kathleen S. Larkin go to medical school?
Dr. Larkin graduated from Ohio State University College of Medicine in 2006.
What drugs does Dr. Kathleen S. Larkin prescribe most?
In 2022 Medicare Part D data, Dr. Larkin's most prescribed drugs by claims were Estradiol and Betamethasone Diprop Augmented.
Has Dr. Kathleen S. Larkin received payments from drug or device companies?
CMS Open Payments shows $184 in general payments to Dr. Larkin from 3 companies from 2017 to 2025. The largest total came from Gynesonics, Inc.
How long has Dr. Kathleen S. Larkin been practicing?
Dr. Larkin graduated from medical school in 2006, 20 years ago.
Selling to obstetrics and gynecology practices?
See OB-GYNs in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card