David Samuel Portney, MD
Ophthalmology Physician · Bloomfield Hills, MI
David Samuel Portney, MD is an ophthalmology physician with a practice address in Bloomfield Hills, Michigan, and NPI 1710555461, issued on Jun 17, 2021. Check the license (Michigan 4301513858, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- David Samuel Portney
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 4301513858 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1750 S Telegraph RD Ste 205, Bloomfield Hills, MI 48302
- Phone
- (248) 333-2900
- Enumerated
- Jun 17, 2021
- Record last updated
- Jul 8, 2025
- Fax
- (248) 333-3539
- Medicare enrollment
- Enrolled (PECOS I20250508000357); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2021
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Michigan → Look up another NPI →
Verify David Samuel Portney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301513858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average ophthalmology physician in 2024
522 Medicare Part D claims for 319 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost116 claims
- Prednisolone Acetate78 claims
- Brimonidine Tartrate44 claims
- Dorzolamide-Timolol41 claims
- Erythromycin39 claims
- Timolol Maleate30 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.
Bills Medicare through one group practice
- Grosinger Spigelman And Grey Eye Surgeons PCBloomfield Hills, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Samuel Portney among 791 ophthalmology physician records in Michigan
David Samuel Portney, MD is one of 791 ophthalmology physician records with a practice address in Michigan. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2021 · median 2002 among the 548 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Michigan
There are 791 ophthalmology physician records in Michigan.
All 791 in Michigan → Every provider in Bloomfield Hills → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ryan Cosgrove, DOBloomfield Hills, MI 483021700443389
- Ayo-Lynn Fifield, M.D.Bloomfield Hills, MI 483021396902094
- David Grey, MDBloomfield Hills, MI 483021215928759
- Leslie Grosinger, MDBloomfield Hills, MI 483021396735452
- Neha Gupta, MDBloomfield Hills, MI 483021457973018
- Alan Mindlin, MDBloomfield Hills, MI 483021053302851
- Alan Spigelman, MDBloomfield Hills, MI 483021366433229
- Amber Warnat, M.D.Bloomfield Hills, MI 483021366735128
Common questions
What is David Samuel Portney, MD's NPI number?
David Samuel Portney, MD's National Provider Identifier (NPI) is 1710555461, issued on Jun 17, 2021. An NPI identifies a provider in billing; it is not a license.
Where is David Samuel Portney, MD located?
The NPPES record lists a practice address at 1750 S Telegraph RD Ste 205, Bloomfield Hills, MI, 48302. Phone: (248) 333-2900. Providers update this record themselves, so call before visiting.
How can I verify David Samuel Portney, MD's license?
NPPES lists Michigan license number 4301513858, 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 Samuel Portney, MD prescribe under Medicare Part D?
In 2024, David Samuel Portney, MD had 522 Medicare Part D claims for 319 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.