Christopher J. Robertz, MD
Family Medicine Physician · Saginaw, MI
Christopher J. Robertz, MD is a family medicine physician with a practice address in Saginaw, Michigan, and NPI 1205451648, issued on Jun 11, 2020. Check the license (Michigan 4351046173, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Christopher J. Robertz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4351046173 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1575 Concentric Blvd, Saginaw, MI 48604
- Phone
- (989) 746-7987
- Enumerated
- Jun 11, 2020
- Record last updated
- Jun 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230901003482); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 1575 Concentric Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patricia Boothe, MD, PHDFamily Medicine Physician1750130787
- Gary Brooks, M.D.Family Medicine Physician1831173160
Verify Christopher J. Robertz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351046173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average family medicine physician in 2024
2,783 Medicare Part D claims for 261 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 34 claims were for opioids.
Most prescribed
- Atorvastatin Calcium160 claims
- Lisinopril101 claims
- Gabapentin99 claims
- Amlodipine Besylate92 claims
- Rosuvastatin Calcium82 claims
- Omeprazole81 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: $16.50
1 payment: food and beverage; the largest payer was Braeburn Inc. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Great Lakes Bay Health CentersOwosso, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher J. Robertz among 6,013 family medicine physician records in Michigan
Christopher J. Robertz, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% 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 83% of them.
- NPI issued2020 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · median 2008 among the 3,493 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
179 family medicine physician records list a practice address in Saginaw
They are 179 of the 6,008 NPPES records with a practice address in Saginaw, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Saginaw → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wendy Biggs, M.D.Saginaw, MI 486041558380485
- Gary Brooks, M.D.Saginaw, MI 486041831173160
- Caio Goncalves, M.D.Saginaw, MI 486041730112244
- Larry Kelly, MDSaginaw, MI 486041508803149
- Maria Lawrence, DOSaginaw, MI 486041942263801
- Veronica Lorenzo, MDSaginaw, MI 486041326036815
- Joseph Natole, MDSaginaw, MI 486041700842622
- Bernard Noveloso, MDSaginaw, MI 486041740392190
Common questions
What is Christopher J. Robertz, MD's NPI number?
Christopher J. Robertz, MD's National Provider Identifier (NPI) is 1205451648, issued on Jun 11, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Christopher J. Robertz, MD located?
The NPPES record lists a practice address at 1575 Concentric Blvd, Saginaw, MI, 48604. Phone: (989) 746-7987. Providers update this record themselves, so call before visiting.
How can I verify Christopher J. Robertz, MD's license?
NPPES lists Michigan license number 4351046173, 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 Christopher J. Robertz, MD prescribe under Medicare Part D?
In 2024, Christopher J. Robertz, MD had 2,783 Medicare Part D claims for 261 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.