Philip M. Grosnick, D.D.S.
Dentist · Watertown, WI
Philip M. Grosnick, D.D.S. is a dentist with a practice address in Watertown, Wisconsin, and NPI 1538127758, issued on May 4, 2006. Check the license (Wisconsin 2831-015, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Philip M. Grosnick
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 2831-015 WI
Self-reported in NPPES; status is on the state search - Practice location
- 319 N 2ND St, Watertown, WI 53094
- Phone
- (920) 261-2828
- Enumerated
- May 4, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 33432700 WI
- Entity
- Type 1 · individual
Verify Philip M. Grosnick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2831-015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average dentist in 2024
44 Medicare Part D claims for 24 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin22 claims
- Azithromycin12 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.
12 dentist records list a practice address in Watertown
They are 12 of the 366 NPPES records with a practice address in Watertown, and 1,750 dentist records in Wisconsin.
All 12 in Watertown → All 1,750 in Wisconsin → Every provider in Watertown →
Other dentist records in Wisconsin
- Buhisa AbdelkafiRacine, WI1881383586
- Hooman Abdolisereshki, DDSPlymouth, WI1619369279
- Megan Abell, DDSMadison, WI1346477361
- Matthew Abraham, DDSLadysmith, WI1912350448
- Nicolas Abujamra, DDS, MSGreen Bay, WI1720123201
- Guillermo Aceves, DDSJanesville, WI1447090766
- Amber Ackerman, DMDMount Horeb, WI1497646509
- Erica Adams, DMDMadison, WI1275101909
- Hala Afifa, DDSMilwaukee, WI1891363198
- Aarushi Agarwal, DMDMadison, WI1841977717
Common questions
What is Philip M. Grosnick, D.D.S.'s NPI number?
Philip M. Grosnick, D.D.S.'s National Provider Identifier (NPI) is 1538127758, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Philip M. Grosnick, D.D.S. located?
The NPPES record lists a practice address at 319 N 2ND St, Watertown, WI, 53094. Phone: (920) 261-2828. Providers update this record themselves, so call before visiting.
How can I verify Philip M. Grosnick, D.D.S.'s license?
NPPES lists Wisconsin license number 2831-015, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Philip M. Grosnick, D.D.S. prescribe under Medicare Part D?
In 2024, Philip M. Grosnick, D.D.S. had 44 Medicare Part D claims for 24 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
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.