DR. NICHOLAS GERALD BLACKSTONE MD
NPI 1265922066
Internal Medicine - Pulmonary Disease in Saginaw, MI
About Dr. Nicholas Gerald Blackstone Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLAS GERALD BLACKSTONE MD (NPI 1265922066) is an individual pulmonary disease provider in Saginaw, Michigan, licensed in Michigan (4351050118) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Covenant Medical Center, and maintains a secondary practice location in Saginaw.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Nicholas Gerald Blackstone 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 Nicholas Blackstone reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saginaw, MI 48603
- Reassigned Medicare billing, Michigan enrollment
- 720 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Covenant Medical Center
Acute Care Hospitals · Saginaw, MIScheurer Hospital
Critical Access Hospitals · Pigeon, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48603 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Nicholas Blackstone's NPI number?
The NPI number for Nicholas Blackstone is 1265922066. It was assigned to this individual provider in the NPPES registry on May 16, 2018.
Where is Nicholas Blackstone located?
Nicholas Blackstone practices at 3400 N Center Rd Ste 300, Saginaw, MI 48603. The listed phone number is (989) 583-7380.
What is Nicholas Blackstone's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Nicholas Blackstone enrolled in Medicare?
Yes. Nicholas Blackstone 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 Nicholas Blackstone's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Blackstone reassigns Medicare benefits to Covenant Medical Center, Inc. (Saginaw, 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 Nicholas Blackstone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Blackstone accept?
Health plans from Priority Health list Nicholas Blackstone 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 Nicholas Blackstone affiliated with any hospitals?
According to CMS data, Nicholas Blackstone is affiliated with Covenant Medical Center and Scheurer Hospital.
When was this NPI record last updated?
The NPPES record for Nicholas Blackstone was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Nicholas Gerald Blackstone, MD · NPI 1265922066
Pulmonary Disease physician in Saginaw, Michigan. Individual provider, active in the CMS NPPES registry since May 16, 2018.
## Identity
- **NPI:** 1265922066 (Entity type: Individual)
- **Enumerated:** May 16, 2018
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 4351050118 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3400 N CENTER RD STE 300, Saginaw, MI 48603-7920
- **Phone:** (989) 583-7380
## 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:** Covenant Medical Center, Inc. (NPI 1831244466, Saginaw, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** December 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1265922066) · Data from the CMS NPPES public registry.