Sandra Jean Frohling, MD
Internal Medicine Physician · Eau Claire, WI
Sandra Jean Frohling, MD is an internal medicine physician with a practice address in Eau Claire, Wisconsin, and NPI 1164532313, issued on Aug 30, 2006. Check the license (Wisconsin 40940, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sandra Jean Frohling
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 40940 WI
Self-reported in NPPES; status is on the state search - Practice location
- 733 W Clairemont Ave, Eau Claire, WI 54701
- Phone
- (715) 838-5025
- Enumerated
- Aug 30, 2006
- Record last updated
- May 23, 2024
- Medicaid ID
- 32546700 WI
- Medicare enrollment
- Enrolled (PECOS I20100610000757); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 733 W Clairemont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abdulla Akfaly, MDInternal Medicine Physician1619956224
- Kay Alberg, RDNutritionist1962775791
- Richard Alfuth, MDFamily Medicine Physician1194783209
- John Anczak, PACPhysician Assistant1881793206
- Matthew Anderson, LPCProfessional Counselor1366698706
- Aamir Ansari, M.D.Pediatrics Physician1295918696
Verify Sandra Jean Frohling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 40940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,005 Medicare Part D claims for 592 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 162 claims were for opioids.
Most prescribed
- Atorvastatin Calcium432 claims
- Losartan Potassium386 claims
- Levothyroxine Sodium303 claims
- Amlodipine Besylate277 claims
- Lisinopril212 claims
- Metoprolol Tartrate189 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
54 internal medicine physician records list a practice address in Eau Claire
They are 54 of the 3,085 NPPES records with a practice address in Eau Claire, and 2,078 internal medicine physician records in Wisconsin.
All 54 in Eau Claire → All 2,078 in Wisconsin → Every provider in Eau Claire →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is Sandra Jean Frohling, MD's NPI number?
Sandra Jean Frohling, MD's National Provider Identifier (NPI) is 1164532313, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Jean Frohling, MD located?
The NPPES record lists a practice address at 733 W Clairemont Ave, Eau Claire, WI, 54701. Phone: (715) 838-5025. Providers update this record themselves, so call before visiting.
How can I verify Sandra Jean Frohling, MD's license?
NPPES lists Wisconsin license number 40940, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sandra Jean Frohling, MD prescribe under Medicare Part D?
In 2024, Sandra Jean Frohling, MD had 7,005 Medicare Part D claims for 592 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Sandra Jean Frohling, MD's MIPS final score?
The 2023 MIPS final score is 78.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.