DOUGLAS H MACKAY M.D.
NPI 1700871027
Obstetrics & Gynecology in Mc Murray, PA
About Douglas H Mackay M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS H MACKAY M.D. (NPI 1700871027) is an individual obstetrics & gynecology provider in Mc Murray, Pennsylvania, licensed in Pennsylvania (MD 056095L) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Meadville Medical Center, and is a graduate of Ohio State University College Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Douglas H Mackay M.d. 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 Douglas Mackay reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mc Murray, PA 15317
- Reassigned Medicare billing, Pennsylvania enrollment
- 10 clinicians in this Medicare group
Carnegie, PA 15106
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Mercer, PA 16137
- Reassigned Medicare billing, Pennsylvania enrollment
- Also billed through NPI 1629633573 (Pennsylvania)
- 25 clinicians in this Medicare group
Mercer, PA 16137
- Reassigned Medicare billing, Pennsylvania enrollment
- 17 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Meadville Medical Center
Acute Care Hospitals · Meadville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15317 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MC MURRAY, PA 15317
MC MURRAY, PA 15317
MC MURRAY, PA 15317
MC MURRAY, PA 15317
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 Douglas Mackay's NPI number?
The NPI number for Douglas Mackay is 1700871027. It was assigned to this individual provider in the NPPES registry on September 13, 2005.
Where is Douglas Mackay located?
Douglas Mackay practices at 3928 Washington Rd Suite 230, Mc Murray, PA 15317. The listed phone number is (724) 941-1866.
What is Douglas Mackay's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Douglas Mackay enrolled in Medicare?
Yes. Douglas Mackay 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 Douglas Mackay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Mackay reassigns Medicare benefits to 4 organizations: Advanced Women's Care Of Pittsburgh, P.C. (Mc Murray, PA), University Of Pittsburgh Physicians (Carnegie, PA), Meadville Medical Center (Mercer, PA) and Titusville Area Hospital (Mercer, 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 Douglas Mackay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Douglas Mackay affiliated with any hospitals?
According to CMS data, Douglas Mackay is affiliated with Meadville Medical Center.
When was this NPI record last updated?
The NPPES record for Douglas Mackay was last updated on January 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.
# Douglas H Mackay, M.D. · NPI 1700871027
Obstetrics & Gynecology physician in Mc Murray, Pennsylvania. Individual provider, active in the CMS NPPES registry since September 13, 2005.
## Identity
- **NPI:** 1700871027 (Entity type: Individual)
- **Enumerated:** September 13, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD 056095L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3928 WASHINGTON RD, SUITE 230, Mc Murray, PA 15317-2537
- **Phone:** (724) 941-1866 · **Fax:** (724) 941-1647
## 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): Advanced Women's Care Of Pittsburgh, P.C. (NPI 1265574925, Mc Murray, PA); University Of Pittsburgh Physicians (NPI 1053595942, Carnegie, PA); Meadville Medical Center (NPI 1811886575, Mercer, PA); Titusville Area Hospital (NPI 1609684083, Mercer, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 1992
## Record status
- **NPPES last updated:** January 6, 2014
- **Other identifiers:** Medicare ID-Type Unspecified MA860249; Medicaid 015840850004 (PA); Medicare UPIN G25520L
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Source: [NPI Profile](https://npiprofile.com/npi/1700871027) · Data from the CMS NPPES public registry.