DOUGLAS MARTIN WEISSMAN MD
NPI 1801800289
Internal Medicine - Gastroenterology in Pittsburgh, PA
About Douglas Martin Weissman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS MARTIN WEISSMAN MD (NPI 1801800289) is an individual gastroenterology provider in Pittsburgh, Pennsylvania, licensed in Illinois (036144304) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Overland Park Reg Med Ctr, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Douglas Martin Weissman 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 Reassignments
12Medicare enrollment records show Douglas Weissman reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsburgh, PA 15212
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,881 clinicians in this Medicare group
Tallmadge, OH 44278
- Reassigned Medicare billing, Ohio enrollment
- 661 clinicians in this Medicare group
Columbus, OH 43213
- Reassigned Medicare billing, Ohio enrollment
- 3,314 clinicians in this Medicare group
Miamisburg, OH 45342
- Reassigned Medicare billing, Ohio enrollment
- 984 clinicians in this Medicare group
Cincinnati, OH 45220
- Reassigned Medicare billing, Ohio enrollment
- 1,126 clinicians in this Medicare group
Liverpool, NY 13088
- Reassigned Medicare billing, New York enrollment
- 625 clinicians in this Medicare group
Fort Wayne, IN 46845
- Reassigned Medicare billing, Indiana enrollment
- 1,752 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Chicago, IL 60605
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 1,304 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 8
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Overland Park Reg Med Ctr
Acute Care Hospitals · Overland Park, KSMenorah Medical Center
Acute Care Hospitals · Overland Park, KSGrant Medical Center
Acute Care Hospitals · Columbus, OHAkron General Medical Center
Acute Care Hospitals · Akron, OHKettering Health Main Campus
Acute Care Hospitals · Kettering, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15212 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15212
PITTSBURGH, PA 15212
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 Weissman's NPI number?
The NPI number for Douglas Weissman is 1801800289. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Douglas Weissman located?
Douglas Weissman practices at 1307 Federal St Ste B100, Pittsburgh, PA 15212. The listed phone number is (412) 359-8900.
What is Douglas Weissman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Douglas Weissman enrolled in Medicare?
Yes. Douglas Weissman 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 Weissman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Weissman reassigns Medicare benefits to 12 organizations: Allegheny Clinic (Pittsburgh, PA), Partners Physician Group (Tallmadge, OH), Ohiohealth Corporation (Columbus, OH), Kettering Independent Medical Group Inc (Miamisburg, OH), Trihealth G LLC (Cincinnati, OH) and 7 more organizations, listed in the Medicare section above. 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 Weissman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Weissman accept?
Health plans from Ambetter Health, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 6 other insurers list Douglas Weissman 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 Douglas Weissman affiliated with any hospitals?
According to CMS data, Douglas Weissman is affiliated with Overland Park Reg Med Ctr, Menorah Medical Center, Grant Medical Center, Akron General Medical Center and Kettering Health Main Campus.
When was this NPI record last updated?
The NPPES record for Douglas Weissman was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Douglas Martin Weissman, MD · NPI 1801800289
Gastroenterology physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1801800289 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 036144304 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1307 FEDERAL ST STE B100, Pittsburgh, PA 15212-4761
- **Phone:** (412) 359-8900 · **Fax:** (412) 359-8977
## 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:** 12 organizations under Medicare reassignment (form CMS-855R): Allegheny Clinic (NPI 1043210420, Pittsburgh, PA); Partners Physician Group (NPI 1992138028, Tallmadge, OH); Ohiohealth Corporation (NPI 1265627301, Columbus, OH); Kettering Independent Medical Group Inc (NPI 1629387865, Miamisburg, OH); Trihealth G LLC (NPI 1295862944, Cincinnati, OH); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1985
## Record status
- **NPPES last updated:** December 3, 2025
- **Other identifiers:** Medicaid 0448319 (OH); Medicaid 100265946 (WI); Other 1101997375 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1801800289) · Data from the CMS NPPES public registry.