Nicholas Madden Grasvik, D.M.D.
Dentist · Milwaukie, OR
Nicholas Madden Grasvik, D.M.D. is a dentist with a practice address in Milwaukie, Oregon, and NPI 1225220122, issued on Aug 14, 2007. Check the license (Oregon 8986, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nicholas Madden Grasvik
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- 8986 OR
Self-reported in NPPES; status is on the state search - Practice location
- 16230 SE Mcloughlin Blvd, Milwaukie, OR 97267
- Phone
- (503) 654-9565
- Enumerated
- Aug 14, 2007
- Record last updated
- Aug 14, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (503) 654-0472
- Entity
- Type 1 · individual
Also registered at 16230 SE Mcloughlin Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donald Nimz, DMDGeneral Practice Dentistry1073671640
Verify Nicholas Madden Grasvik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 8986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average dentist in 2024
79 Medicare Part D claims for 47 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Chlorhexidine Gluconate16 claims
- Amoxicillin13 claims
- Hydrocodone-Acetaminophen13 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.
Industry payments in 2024: $209.38
3 payments; by number, the most common kind was gift; the largest payer was Ultradent Products Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
22 dentist records list a practice address in Milwaukie
They are 22 of the 1,998 NPPES records with a practice address in Milwaukie, and 1,246 dentist records in Oregon.
All 22 in Milwaukie → All 1,246 in Oregon → Every provider in Milwaukie →
Other dentist records in Oregon
- Tamara Abbett, D.D.S.Medford, OR1972504710
- Kyoko Abe, D.M.DPortland, OR1629142641
- Daniel Adair, D.D.S.Salem, OR1609287143
- Christopher Adams, D.D.S.Roseburg, OR1487886321
- Kathleene Adams, DMDPortland, OR1063582252
- Ranier Adarve, DMDPortland, OR1982789848
- Priyadarshini AgrawalNorth Bend, OR1912354689
- Azma Ahmed, DDSPortland, OR1417341983
- Lee Albrecht, DMDSalem, OR1639338130
- Roman Alexandroff, D.M.D.Warrenton, OR1811188824
Common questions
What is Nicholas Madden Grasvik, D.M.D.'s NPI number?
Nicholas Madden Grasvik, D.M.D.'s National Provider Identifier (NPI) is 1225220122, issued on Aug 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Madden Grasvik, D.M.D. located?
The NPPES record lists a practice address at 16230 SE Mcloughlin Blvd, Milwaukie, OR, 97267. Phone: (503) 654-9565. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Madden Grasvik, D.M.D.'s license?
NPPES lists Oregon license number 8986, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Nicholas Madden Grasvik, D.M.D. prescribe under Medicare Part D?
In 2024, Nicholas Madden Grasvik, D.M.D. had 79 Medicare Part D claims for 47 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.