DR. DAVID SAMUEL PORTNEY MD
NPI 1710555461
Ophthalmology in Bloomfield Hills, MI
About Dr. David Samuel Portney Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID SAMUEL PORTNEY MD (NPI 1710555461) is an individual ophthalmology provider in Bloomfield Hills, Michigan, licensed in Michigan (4301513858) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital Royal Oak, and is a graduate of University Of Michigan Medical School (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. David Samuel Portney Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show David Portney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bloomfield Township, MI 48302
- Reassigned Medicare billing, Michigan enrollment
- 8 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beaumont Hospital Royal Oak
Acute Care Hospitals · Royal Oak, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48302 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Portney's NPI number?
The NPI number for David Portney is 1710555461. It was assigned to this individual provider in the NPPES registry on June 17, 2021.
Where is David Portney located?
David Portney practices at 1750 S Telegraph Rd Ste 205, Bloomfield Hills, MI 48302. The listed phone number is (248) 333-2900.
What is David Portney's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is David Portney enrolled in Medicare?
Yes. David Portney is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for David Portney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Portney reassigns Medicare benefits to Grosinger Spigelman & Grey Eye Surgeons PC (Bloomfield Township, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Portney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Portney accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Care Network of Michigan and 2 other insurers list David Portney as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is David Portney affiliated with any hospitals?
According to CMS data, David Portney is affiliated with Beaumont Hospital Royal Oak.
When was this NPI record last updated?
The NPPES record for David Portney was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. David Samuel Portney, MD · NPI 1710555461
Ophthalmology physician in Bloomfield Hills, Michigan. Individual provider, active in the CMS NPPES registry since June 17, 2021.
## Identity
- **NPI:** 1710555461 (Entity type: Individual)
- **Enumerated:** June 17, 2021
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 4301513858 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1750 S TELEGRAPH RD STE 205, Bloomfield Hills, MI 48302-0178
- **Phone:** (248) 333-2900 · **Fax:** (248) 333-3539
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Grosinger Spigelman & Grey Eye Surgeons PC (NPI 1699798660, Bloomfield Township, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2021
## Record status
- **NPPES last updated:** July 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1710555461) · Data from the CMS NPPES public registry.