Nathan Lewis Grimm, M.D.
Sports Medicine (Orthopaedic Surgery) Physician · Boise, ID
Nathan Lewis Grimm, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Boise, Idaho, and NPI 1417376344, issued on Apr 8, 2014. Check the license (Idaho M-15091, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nathan Lewis Grimm
- Credential
- M.D.
- Primary taxonomy
- Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
- License numbers
- M-15091 ID
62489 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1188 W University Dr, Boise, ID 83706
- Phone
- (208) 336-8250
- Enumerated
- Apr 8, 2014
- Record last updated
- Jan 26, 2023
- Fax
- (208) 345-9514
- Medicare enrollment
- Enrolled (PECOS I20200608001115); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest sports medicine (orthopaedic surgery) physician records → All 16 in Idaho → Look up another NPI →
Also registered at 1188 W University Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jay Armstrong, MPTOrthopedic Physical Therapist1447256086
- Sara Boss, DPTOrthopedic Physical Therapist1982033270
- Douglas Brown, PTAPhysical Therapy Assistant1598131245
- Kaitlyn Brown, DPTOrthopedic Physical Therapist1346731718
- Andrew Curran, DOOrthopaedic Surgery Physician1093705071
- Lindsay Freeborn, PTPhysical Therapist1124005095
Verify Nathan Lewis Grimm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M-15091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024
71 Medicare Part D claims for 32 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 34 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen17 claims
- Promethazine Hcl12 claims
- Tramadol Hcl12 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): 83.3 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).
Industry payments in 2024: $615.63
10 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 2,400 providers of this specialty with any payment received $19,779.31 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.
Bills Medicare through 2 group practices
- Idaho Sports Medicine Institute PABoise, ID
- St Lukes Clinic-Treasure Valley LLCBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Lewis Grimm among 16 sports medicine (orthopaedic surgery) physician records in Idaho
Nathan Lewis Grimm, M.D. is one of 16 sports medicine (orthopaedic surgery) physician records with a practice address in Idaho. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 88% of them.
- NPI issued2014 · 88% of these records are older, 6% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2014 · median 2002 among the 13 with a school on file
- Record last updated2023 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Orthopaedic Surgery) Physician providers in Idaho
There are 16 sports medicine (orthopaedic surgery) physician records in Idaho.
All 16 in Idaho → Every provider in Boise → Sports Medicine (Orthopaedic Surgery) Physician nationwide →
The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes
- Kirk Lewis, MDBoise, ID 837061033115803
- Jennifer Miller, MDBoise, ID 837061245236983
- Darin Jurgensmeier, MDBoise, ID 837041952537060
- Michael Gustavel, MDBoise, ID 837021306842182
- Aaron Newton, D.O.Nampa, ID 836871538507520
- Paul Collins, M.D.Meridian, ID 836421568443158
- Michael Schicker, DOPonderay, ID 838521861774291
- Christopher Dewing, MDPost Falls, ID 838541477608875
Common questions
What is Nathan Lewis Grimm, M.D.'s NPI number?
Nathan Lewis Grimm, M.D.'s National Provider Identifier (NPI) is 1417376344, issued on Apr 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Lewis Grimm, M.D. located?
The NPPES record lists a practice address at 1188 W University Dr, Boise, ID, 83706. Phone: (208) 336-8250. Providers update this record themselves, so call before visiting.
How can I verify Nathan Lewis Grimm, M.D.'s license?
NPPES lists Idaho license number M-15091, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan Lewis Grimm, M.D. prescribe under Medicare Part D?
In 2024, Nathan Lewis Grimm, M.D. had 71 Medicare Part D claims for 32 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. Part D covers Medicare prescriptions only.
What is Nathan Lewis Grimm, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.3 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.