Dr. Karen A. Kovalow-St. John, MD
- Medicare services, 2024
- 107,382
- Medicare patients, 2024
- 536
- Part D claims, 2024
- 1,406
- MIPS score, 2024
- 84
- Hospital affiliations
- 4
- Practice address
- 77 Casa St Ste 106, San Luis Obispo, CA 93405
- Practice phone
- Call (805) 541-1021
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endoscopy Center of the Central Coast
Surgery Center - Medicare-Certified · San Luis Obispo, California
Find Dr. Kovalow-St. John'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. Karen A. Kovalow-St. John is a rheumatologist in San Luis Obispo, California
Dr. Kovalow-St. John practices at Endoscopy Center of the Central Coast in San Luis Obispo, California.
Dr. Kovalow-St. John's NPI, 1336146281, was assigned on July 7, 2005. Dr. Kovalow-St. John graduated from Indiana University School Of Medicine in 1983. Dr. Kovalow-St. John's Indiana license number on file is 01037613A.
- NPI
- 1336146281NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284606690
- NPI enumeration date
- July 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 541-1021
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen A. Kovalow-St. John practices at Endoscopy Center of the Central Coast in San Luis Obispo, California
Dr. Kovalow-St. John's primary practice is Endoscopy Center of the Central Coast, at 77 Casa St Ste 106, San Luis Obispo, CA 93405. The practice phone is (805) 541-1021.
- Endoscopy Center of the Central Coast77 Casa St Ste 106, San Luis Obispo, CA 93405Phone(805) 541-1021
Source: Dmand AI Affiliation Data
Dr. Karen A. Kovalow-St. John is affiliated with 6 sites of care and 1 medical group
Dr. Kovalow-St. John's primary practice is Endoscopy Center of the Central Coast in San Luis Obispo, California. Dr. Kovalow-St. John is also affiliated with Dignity Health - French Hospital Medical Center. The medical group on file is Rheumatology Services Medical Group. Dmand AI also links Dr. Kovalow-St. John to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen A. Kovalow-St. John's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kovalow-St. John practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center of the Central Coast | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen A. Kovalow-St. John is one of 821 rheumatologists in California
Rheumatology is Dr. Kovalow-St. John's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Kovalow-St. John is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Kovalow-St. John's licenses on file in 2 states: Indiana and California.
Specialties and state licenses
- Rheumatology, IndianaPrimary
- California license
Clinical focus
Dmand AI lists arteritis, arthritis, gout, joint arthropathy, joint pain, lupus, lyme disease and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Kovalow-St. John treats.
Rheumatologists near Dr. Kovalow-St. John
Counts of rheumatologists 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. Karen A. Kovalow-St. John billed Medicare for 107,382 services in 2024
CMS data shows 107,382 Medicare services from Dr. Kovalow-St. John across 17 procedure codes in 2024, for 536 Medicare patients. Medicare paid $1,383,594 for them. Every service was in an office.
Dr. Kovalow-St. John's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 74,6672024: 105,64441%
- Tests and treatments
- 2023: 9792024: 1,11714%
- Office and hospital visits
- 2023: 6892024: 62110%
Dr. Kovalow-St. John compared with the California median for rheumatologists, 2024
- Dr. Kovalow-St. John
- California median
- Medicare services
- 107,382vs 900119.3 times
- Medicare patients
- 536vs 2162.5 times
- Part D claims
- 1,320vs 96237% above
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Kovalow-St. John'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. Kovalow-St. John and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen A. Kovalow-St. John treated 536 Medicare patients in 2024, average age 74
CMS counts 536 Medicare patients who saw Dr. Kovalow-St. John in 2024. The largest group is 65 to 74, with 252 patients. 75% of them have arthritis, and 73% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kovalow-St. John's median patient age at 69, with 81% women.
Dr. Kovalow-St. John's Medicare patients by age, 2024
Dr. Kovalow-St. John's Medicare patients by sex, 2024
- Women44884%
- Men8816%
Chronic conditions among Dr. Kovalow-St. John's Medicare patients, 2024
- Arthritis75%
- High cholesterol73%
- High blood pressure60%
- Osteoporosis60%
- Mood disorders25%
- Anxiety24%
- Depression23%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kovalow-St. John's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women81%
- Men18%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen A. Kovalow-St. John wrote 1,406 Medicare Part D claims in 2024
In 2024, Dr. Kovalow-St. John wrote 1,406 Medicare Part D claims for 213 patients. 88% of them were for generic drugs. CMS names the drug for 1,320 of them, across 23 drugs with 11 or more claims each, at $888,528 in total drug cost. In 2023, CMS named 1,142 claims across 19 drugs.
Dr. Kovalow-St. John's Part D claims by kind of drug, 2024
- Generic1,236 claims88%
- Brand-name157 claims11%
- Other13 claims1%
Dr. Kovalow-St. John'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. Kovalow-St. John's Part D claims, 2024
- Antibiotics1%13 of 1,406 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: 1,1422024: 1,32016%
Drugs named by CMS: 23 in 2024, 19 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. Karen A. Kovalow-St. John 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. Kovalow-St. John for performance year 2024, reported as part of a group. Dr. Kovalow-St. John accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kovalow-St. John as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Kovalow-St. John's MIPS scores, performance year 2024
- 84of 100Final score
- 70.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 68of 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. Karen A. Kovalow-St. John received $23,708 in industry payments from 2016 to 2025
CMS Open Payments shows 1,167 general payments to Dr. Kovalow-St. John from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Janssen Pharmaceuticals, Inc paid the most, $4,211.
General payments to Dr. Kovalow-St. John by program year, 2016 to 2025
General payments to Dr. Kovalow-St. John by kind, 2016 to 2025
- Food and beverage$22,03793%
- Travel and lodging$1,2265%
- Education$4452%
Companies that paid Dr. Kovalow-St. John 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. Karen A. Kovalow-St. John has 1 award and honors on record
Dmand AI lists 1 award for Dr. Kovalow-St. John, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Kovalow-St. John
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Karen A. Kovalow-St. John graduated from Indiana University School Of Medicine
Dr. Kovalow-St. John graduated from Indiana University School Of Medicine in 1983.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Karen A. Kovalow-St. John accepts plans from 9 insurance carriers
Dr. Kovalow-St. John is in network with 9 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +1 more carriersWith a free account
Plan types Dr. Kovalow-St. John accepts, by number of carriers
- Medicare7
- PPO7
- HMO5
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Karen A. Kovalow-St. John'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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Karen A. Kovalow-St. John
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. Karen A. Kovalow-St. John's NPI number?
Dr. Karen A. Kovalow-St. John's NPI number is 1336146281. It was assigned on July 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen A. Kovalow-St. John?
Dr. Karen A. Kovalow-St. John is a rheumatologist in San Luis Obispo, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Karen A. Kovalow-St. John practice?
Dr. Kovalow-St. John practices at 77 Casa St Ste 106, San Luis Obispo, CA 93405. Dr. Kovalow-St. John's primary practice is Endoscopy Center of the Central Coast in San Luis Obispo, California. Dmand AI also links Dr. Kovalow-St. John to 3 hospitals and 1 group practice or clinic.
What is Dr. Karen A. Kovalow-St. John's office phone number?
The practice phone on file for Dr. Kovalow-St. John is (805) 541-1021.
What is Dr. Karen A. Kovalow-St. John's medical license number?
Dr. Kovalow-St. John's Indiana license number on file is 01037613A, one of the licenses on file in 2 states.
Which states has Dr. Karen A. Kovalow-St. John been licensed in?
Dmand AI has state licenses on file for Dr. Kovalow-St. John in Indiana (1989 to 2025) and California (2020 to 2026).
Which hospitals is Dr. Karen A. Kovalow-St. John affiliated with?
Dr. Kovalow-St. John is affiliated with Dignity Health - French Hospital Medical Center. Dmand AI links Dr. Kovalow-St. John to 3 more hospitals.
What medical group is Dr. Karen A. Kovalow-St. John part of?
Dr. Kovalow-St. John is linked to Rheumatology Services Medical Group.
Does Dr. Karen A. Kovalow-St. John accept Medicare?
Yes. CMS data shows Dr. Kovalow-St. John billed Medicare for 107,382 services in 2024, and Dr. Kovalow-St. John accepts Medicare assignment.
Does Dr. Karen A. Kovalow-St. John offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kovalow-St. John as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Karen A. Kovalow-St. John's MIPS score?
Dr. Kovalow-St. John'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. Karen A. Kovalow-St. John see?
CMS counts 536 Medicare patients who saw Dr. Kovalow-St. John in 2024, with an average age of 74.
Is Dr. Karen A. Kovalow-St. John board certified?
Yes. Dr. Kovalow-St. John is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Karen A. Kovalow-St. John bill to Medicare?
In 2024, Dr. Kovalow-St. John's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J1602) and injected or infused drug (J3111).
Where did Dr. Karen A. Kovalow-St. John go to medical school?
Dr. Kovalow-St. John graduated from Indiana University School Of Medicine in 1983.
What drugs does Dr. Karen A. Kovalow-St. John prescribe most?
In 2024 Medicare Part D data, Dr. Kovalow-St. John's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Celecoxib.
Has Dr. Karen A. Kovalow-St. John received payments from drug or device companies?
CMS Open Payments shows $23,708 in general payments to Dr. Kovalow-St. John from 28 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Karen A. Kovalow-St. John been practicing?
Dr. Kovalow-St. John graduated from medical school in 1983, 43 years ago.
What insurance does Dr. Karen A. Kovalow-St. John accept?
Dr. Kovalow-St. John is in network with 9 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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