David I. Shalowitz
Gynecologic Oncology Physician · Grand Rapids, MI
David I. Shalowitz is a gynecologic oncology physician with a practice address in Grand Rapids, Michigan, and NPI 1649594136, issued on Mar 26, 2010. Check the license (Michigan 4301508945, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- David I. Shalowitz
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- 4301508945 MI
Self-reported in NPPES; status is on the state search - Practice location
- 145 Michigan St NE Ste 4100, Grand Rapids, MI 49503
- Phone
- (616) 486-6000
- Enumerated
- Mar 26, 2010
- Record last updated
- Feb 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20230310000756); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2010
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 54 in Michigan → Look up another NPI →
Verify David I. Shalowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301508945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average gynecologic oncology physician in 2024
231 Medicare Part D claims for 58 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 19 claims were for opioids.
Most prescribed
- Prochlorperazine Maleate46 claims
- Ondansetron Hcl25 claims
- Gabapentin17 claims
- Duloxetine Hcl14 claims
- Amlodipine Besylate12 claims
- Eliquis11 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): 85.5 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: $23.39
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 1,199 providers of this specialty with any payment received $6,387.20 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
- Spectrum Health Primary Care PartnersGrand Rapids, MI
- West Michigan Cancer CenterKalamazoo, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David I. Shalowitz among 54 gynecologic oncology physician records in Michigan
David I. Shalowitz is one of 54 gynecologic oncology physician records with a practice address in Michigan. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.
- NPI issued2010 · 61% of these records are older, 31% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2010 · median 2007 among the 40 with a school on file
- Record last updated2026 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in Michigan
There are 54 gynecologic oncology physician records in Michigan.
All 54 in Michigan → Every provider in Grand Rapids → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Gordon Downey, M.D.Grand Rapids, MI 495031053421024
- Charles Harrison, MDGrand Rapids, MI 495031245340223
- Christopher Hummel, D.O.Grand Rapids, MI 495031396985206
- Leigh Seamon, D.O.Grand Rapids, MI 495031821147422
- Margaret Whicker, M.D.Grand Rapids, MI 495031568873156
- Mae ZakhourGrand Rapids, MI 495031427342294
- Kevin Brader, MDWyoming, MI 495191609807627
- David Michelin, MDTraverse City, MI 496841831180140
Common questions
What is David I. Shalowitz's NPI number?
David I. Shalowitz's National Provider Identifier (NPI) is 1649594136, issued on Mar 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is David I. Shalowitz located?
The NPPES record lists a practice address at 145 Michigan St NE Ste 4100, Grand Rapids, MI, 49503. Phone: (616) 486-6000. Providers update this record themselves, so call before visiting.
How can I verify David I. Shalowitz's license?
NPPES lists Michigan license number 4301508945, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David I. Shalowitz prescribe under Medicare Part D?
In 2024, David I. Shalowitz had 231 Medicare Part D claims for 58 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
What is David I. Shalowitz's MIPS final score?
The 2023 MIPS final score is 85.5 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.