Spencer Margaret Amstrup, DDS
General Practice Dentistry · Crystal, MN
Spencer Margaret Amstrup, DDS is a general practice dentistry with a practice address in Crystal, Minnesota, and NPI 1023634433, issued on Jun 22, 2020. Check the license (Minnesota D14636, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Spencer Margaret Amstrup
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License numbers
- D14636 MN
DDS-09788 IA
Self-reported in NPPES; status is on the state search - Practice location
- 5237 Douglas Dr N, Crystal, MN 55429
- Phone
- (763) 536-1118
- Enumerated
- Jun 22, 2020
- Record last updated
- Jul 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,177 in Minnesota → Look up another NPI →
Also registered at 5237 Douglas Dr N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevan Cahow, DDSGeneral Practice Dentistry1700945797
Verify Spencer Margaret Amstrup in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license D14636Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average general practice dentistry in 2024
83 Medicare Part D claims for 43 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin55 claims
- Chlorhexidine Gluconate11 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.
Spencer Margaret Amstrup among 2,177 general practice dentistry records in Minnesota
Spencer Margaret Amstrup, DDS is one of 2,177 general practice dentistry records with a practice address in Minnesota. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 general practice dentistry records list a practice address in Crystal
They are 6 of the 276 NPPES records with a practice address in Crystal, and 2,177 general practice dentistry records in Minnesota.
All 2,177 in Minnesota → Every provider in Crystal → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Brenda Brockman, DDSBrooklyn Center, MN 554291912066994
- Kevan Cahow, DDSCrystal, MN 554291700945797
- Megan Eakins, DDSBrooklyn Center, MN 554291831251784
- Amelia Gerlach, DDSBrooklyn Center, MN 554291215096862
- Jeffrey Jaeger, DDSBrooklyn Park, MN 554291023007663
- William Kotonias, DDSBrooklyn Center, MN 554291265655963
- Ryan Lembke, DDSBrooklyn Center, MN 554291124869607
- Anthony Leong, DDSBrooklyn Center, MN 554291467511337
Common questions
What is Spencer Margaret Amstrup, DDS's NPI number?
Spencer Margaret Amstrup, DDS's National Provider Identifier (NPI) is 1023634433, issued on Jun 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Margaret Amstrup, DDS located?
The NPPES record lists a practice address at 5237 Douglas Dr N, Crystal, MN, 55429. Phone: (763) 536-1118. Providers update this record themselves, so call before visiting.
How can I verify Spencer Margaret Amstrup, DDS's license?
NPPES lists Minnesota license number D14636, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Spencer Margaret Amstrup, DDS prescribe under Medicare Part D?
In 2024, Spencer Margaret Amstrup, DDS had 83 Medicare Part D claims for 43 beneficiaries; the average among general practice dentistry prescribers was 83. 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.