DR. MARK ALLEN SAGIN MD PHYSICIAN AND SUR
NPI 1750343505
Internal Medicine - Pulmonary Disease in Cumberland, MD
About Dr. Mark Allen Sagin Md Physician And Sur NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK ALLEN SAGIN MD PHYSICIAN AND SUR (NPI 1750343505) is an individual pulmonary disease provider in Cumberland, Maryland, licensed in Maryland (D0035481) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Western Maryland Regional Medical Center, and is a graduate of University Of Pittsburgh School Of Medicine (1980).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Mark Allen Sagin Md Physician And Sur 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 Reassignments
4Medicare enrollment records show Mark Sagin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 210 clinicians in this Medicare group
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 318 clinicians in this Medicare group
Mercersburg, PA 17236
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Wellsboro, PA 16901
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Guthrie Medical Group PC
- 830 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.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Western Maryland Regional Medical Center
Acute Care Hospitals · Cumberland, MDPotomac Valley Hospital
Critical Access Hospitals · Keyser, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21502 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CUMBERLAND, MD 21502
CUMBERLAND, MD 21502
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 Mark Sagin's NPI number?
The NPI number for Mark Sagin is 1750343505. It was assigned to this individual provider in the NPPES registry on April 6, 2006.
Where is Mark Sagin located?
Mark Sagin practices at 12502 Willowbrook Rd Suite 280, Cumberland, MD 21502. The listed phone number is (240) 964-8750.
What is Mark Sagin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Mark Sagin enrolled in Medicare?
Yes. Mark Sagin 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 organizations bill Medicare for Mark Sagin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Sagin reassigns Medicare benefits to 4 organizations: Upmc Western Maryland Corporation (Cumberland, MD), Upmc Western Maryland Health Services, LLC (Cumberland, MD), Wellspan Medical Group (Mercersburg, PA) and Guthrie Medical Group, P.C. (Wellsboro, PA). Each 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 Mark Sagin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Sagin accept?
Health plans from CareSource list Mark Sagin 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 Mark Sagin affiliated with any hospitals?
According to CMS data, Mark Sagin is affiliated with Western Maryland Regional Medical Center and Potomac Valley Hospital.
When was this NPI record last updated?
The NPPES record for Mark Sagin was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Mark Allen Sagin, MD PHYSICIAN AND SUR · NPI 1750343505
Pulmonary Disease physician in Cumberland, Maryland. Individual provider, active in the CMS NPPES registry since April 6, 2006.
## Identity
- **NPI:** 1750343505 (Entity type: Individual)
- **Enumerated:** April 6, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** D0035481 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 12502 WILLOWBROOK RD, SUITE 280, Cumberland, MD 21502-6491
- **Phone:** (240) 964-8750 · **Fax:** (240) 964-8699
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Upmc Western Maryland Corporation (NPI 1285779884, Cumberland, MD); Upmc Western Maryland Health Services, LLC (NPI 1134844764, Cumberland, MD); Wellspan Medical Group (NPI 1407568298, Mercersburg, PA); Guthrie Medical Group, P.C. (NPI 1952350167, Wellsboro, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 1980
## Record status
- **NPPES last updated:** August 18, 2026
- **Other identifiers:** Medicaid 774141301 (MD); Other 567B 420267-02 (MD); Other K307-0012 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1750343505) · Data from the CMS NPPES public registry.