Active NPI
Douglas Martin Weissman, MD
- Gastroenterology Physician
- Pittsburgh, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 036144304
- Practice address
- 1307 Federal St Ste B100
Pittsburgh, PA 15212-4761 - Phone
- (412) 359-8900
- Fax
- (412) 359-8977
- NPI assigned
- Jul 28, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 7
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 3872 | WI | |
| Gastroenterology Physician | 207RG0100X | MD479317 | PA | |
| Gastroenterology Physician | 207RG0100X | 25MA04832600 | NJ | |
| Gastroenterology Physician | 207RG0100X | 35.129369 | OH | |
| Internal Medicine Physician | 207R00000X | 01077964A | IN | |
| Gastroenterology Physician | 207RG0100X | 036144304 | IL | Primary |
| Gastroenterology Physician | 207RG0100X | 01077964A | IN |
Addresses
Primary practice location
1307 Federal St Ste B100
Pittsburgh, PA 15212-4761
Mailing address
2 Deepwood CT
Old Westbury, NY 11568-1006
Other practice location 1
11104 Parkview Circle Dr Ste 310
Fort Wayne, IN 46845-1733
Phone (260) 266-5230
Other practice location 2
1505 W Sherman Ave
Vineland, NJ 08360-7059
Phone (856) 691-1129
Other practice location 3
1701 N Senate Blvd
Indianapolis, IN 46202-1239
Phone (317) 962-2000
Other practice location 4
111 S Grant Ave
Columbus, OH 43215-4701
Phone (614) 566-9550
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0448319 | Medicaid | OH | |
| 100265946 | Medicaid | WI | |
| 1101997375 | Other | IN | ANTHEM PTAN |
Electronic endpoints 5
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | DWEISSMAN@DIRECT.IUHEALTH.ORG | Direct | |
| Direct Messaging Address | dweissman1316249@direct.ohiohealth.com | OhioHealth Corporation | |
| FHIR URL | https://epicprod-mobile.parkview.com/FHIR/api/FHIR/R4/ | ||
| Direct Messaging Address | dweissman192147@Direct.Parkviewexchange.com | ||
| FHIR URL | https://epicprod-mobile.parkview.com/FHIR/api/FHIR/DSTU2/ |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in FL, IL, IN, TN, OH, NY, PA, WI, KS
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 9
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- Other, 1985
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Akron General Ave
Akron, OH 44307-2432
Phone (330) 384-5050
5100 W 110TH St
Suite 120
Overland Park, KS 66211-1215
Phone (816) 361-0055
7700 Washington Village Dr
Suite 130
Centerville, OH 45459-4094
Phone (937) 531-0195
Hospital & facility affiliations
- Menorah Medical Center
- Overland Park Reg Med Ctr
- Grant Medical Center
- Kettering Health Main Campus
- Akron General Medical Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 53 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 92 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 01077964A | IN | MD | Internal Medicine Physician |
| 036144304 | IL | MD | Gastroenterology Physician |
| 25MA04832600 | NJ | MD | Gastroenterology Physician |
| 35.129369 | OH | MD | Gastroenterology Physician |
| 3872 | WI | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Iu Health Medical Group, LLC | Current | Accepting new patients | |
| Saint Thomas Medical Partners | Internal Medicine | Current | Accepting new patients |
| St Josephs Medical PC | Internal Medicine | Current | Accepting new patients |
| Rush University Medical Center | Current | Accepting new patients | |
| Allegheny Clinic | Current | Accepting new patients | |
| Aurora Medical Group, Inc. | Internal Medicine | Current | Accepting new patients |
| Partners Physician Group | Current | Accepting new patients | |
| Rush University Medical Group | Internal Medicine | Current | Accepting new patients |
| Kettering Independent Medical Group Inc | Internal Medicine | Current | Accepting new patients |
| Nchmd Inc | Current | Accepting new patients | |
| Allegheny Clinic | Current | Accepting new patients | |
| North Medical PC | Internal Medicine | Current | Accepting new patients |
| Inspira Health Network Medical Group, P.C. | Current | Accepting new patients | |
| Kansas City Gastroenterology & Hepatology Physicians Group, LLC | Internal Medicine | Current | Accepting new patients |
| Parkview Health System Inc | Internal Medicine | Current | Accepting new patients |
| Allegheny Clinic | Current | Accepting new patients | |
| Partners Physician Group | Internal Medicine | Current | Accepting new patients |
| Trihealth G LLC | Internal Medicine | Current | Accepting new patients |
| Parkview Health System,Inc. | Internal Medicine | Current | Accepting new patients |
| Nchmd, Inc | Current | Accepting new patients | |
| Trihealth G, LLC | Current | Accepting new patients |
Locations (25 of 33)
11190 Health Park Blvd
Naples, FL 34110
Phone (239) 300-9721
350 7th St N
Naples, FL 34102
Phone (239) 436-5000
680 2nd Ave N
Ste 304
Naples, FL 34102
Phone (239) 261-7711
1725 W Harrison St
Ste 207
Chicago, IL 60612
1700 W Van Buren St
#500
Chicago, IL 60612
Phone (312) 563-2875
2525 S Michigan Ave
Chicago, IL 60616
Phone (312) 355-1153
75 Remittance Dr
Dept 1611
Chicago, IL 60675
11104 Parkview Circle Dr
Ste 310
Fort Wayne, IN 46845
Phone (260) 266-5230
240 S Jefferson St
Ste B
Huntington, IN 46750
Phone (219) 259-0000
250 N Shadeland Ave
Indianapolis, IN 46219
Phone (317) 948-9174
1701 Senate Blvd
Indianapolis, IN 46202
Phone (317) 612-2754
1701 S Creasy Ln
Lafayette, IN 47905
Phone (765) 502-4400
5100 W 110th St
Ste 120
Overland Park, KS 66211
Phone (913) 234-7600
134 Bridgeton Pike
Ste C
Mullica Hill, NJ 08062
Phone (856) 478-2111
798 Centerton Rd
Pittsgrove, NJ 08318
Phone (856) 358-6161
1505 W Sherman Ave
Vineland, NJ 08360
Phone (856) 451-6600
2950 College Dr
Ste 2A
Vineland, NJ 08360
Phone (856) 641-8680
2950 College Dr
Ste 2G
Vineland, NJ 08360
Phone (856) 691-1129
5100 W Taft Rd
Ste 2T
Liverpool, NY 13088
Phone (315) 744-1592
301 Prospect Ave
Syracuse, NY 13203
Phone (315) 448-5111
1 Akron General Ave
Akron, OH 44307
Phone (330) 344-5760
224 W Exchange St
Ste 160
Akron, OH 44302
Phone (330) 344-6505
224 W Exchange St
Ste 225
Akron, OH 44302
Phone (330) 344-7400
2001 Anderson Ferry Rd
Cincinnati, OH 45238
Phone (513) 922-1200
4685 Forest Ave
Cincinnati, OH 45212
Phone (513) 853-4721
Interoperability endpoints
- dweissman192147@direct.parkviewexchange.com
- dweissman@direct.iuhealth.org
Organizations & group practices 22
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Overland Park, KS
- NPI 1497019350
-
- Orthopaedic Surgery Physician
- Miamisburg, OH
- NPI 1629387865
Internal Medicine
-
- Family Medicine Physician
- Bethel Park, PA
- NPI 1073081493
-
- General Practice Physician
- Indianapolis, IN
- NPI 1326893777
-
- Hematology & Oncology Physician
- Naples, FL
- NPI 1831120195
-
- Family Medicine Physician
- Fort Wayne, IN
- NPI 1932130952
Internal Medicine
-
- Internal Medicine Physician
- Chicago, IL
- NPI 1093819542
-
- Internal Medicine Physician
- Nashville, TN
- NPI 1437194669
-
- Internal Medicine Physician
- Cincinnati, OH
- NPI 1295862944
-
- Family Medicine Physician
- Columbus, OH
- NPI 1578545273
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Akron, OH
- NPI 1821035940
-
- General Acute Care Hospital
- Kettering, OH
- NPI 1043233984
-
- General Acute Care Hospital
- Overland Park, KS
- NPI 1255378337
-
- General Acute Care Hospital
- Overland Park, KS
- NPI 1578500484
-
- General Acute Care Hospital
- Columbus, OH
- NPI 1255377149
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1154044800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1764720000000",
"number": "1801800289",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2 DEEPWOOD CT",
"city": "OLD WESTBURY",
"state": "NY",
"postal_code": "115681006"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1307 FEDERAL ST STE B100",
"city": "PITTSBURGH",
"state": "PA",
"postal_code": "152124761",
"telephone_number": "412-359-8900",
"fax_number": "412-359-8977"
}
],
"practiceLocations": [
{
"address_1": "11104 Parkview Circle Dr Ste 310",
"address_purpose": "LOCATION",
"city": "Fort Wayne",
"state": "IN",
"postal_code": "468451733",
"country_code": "US",
"telephone_number": "260-266-5230",
"fax_number": "260-266-5238",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1505 W Sherman Ave",
"address_purpose": "LOCATION",
"city": "Vineland",
"state": "NJ",
"postal_code": "083607059",
"country_code": "US",
"telephone_number": "856-691-1129",
"fax_number": "856-691-1229",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1701 N Senate Blvd",
"address_purpose": "LOCATION",
"city": "Indianapolis",
"state": "IN",
"postal_code": "462021239",
"country_code": "US",
"telephone_number": "317-962-2000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "111 S Grant Ave",
"address_purpose": "LOCATION",
"city": "Columbus",
"state": "OH",
"postal_code": "432154701",
"country_code": "US",
"telephone_number": "614-566-9550",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WEISSMAN",
"first_name": "DOUGLAS",
"middle_name": "MARTIN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-28",
"last_updated": "2025-12-03",
"certification_date": "2025-12-03",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "WI",
"license": "3872",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "PA",
"license": "MD479317",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "NJ",
"license": "25MA04832600",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "OH",
"license": "35.129369",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IN",
"license": "01077964A",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "IL",
"license": "036144304",
"primary": true
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "IN",
"license": "01077964A",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0448319",
"state": "OH"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100265946",
"state": "WI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM PTAN",
"identifier": "1101997375",
"state": "IN"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "DWEISSMAN@DIRECT.IUHEALTH.ORG",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "1701 N Senate Blvd",
"city": "Indianapolis",
"state": "IN",
"country_code": "US",
"postal_code": "462021239",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "dweissman1316249@direct.ohiohealth.com",
"affiliation": "Y",
"affiliationName": "OhioHealth Corporation",
"address_1": "111 S Grant Ave",
"city": "Columbus",
"state": "OH",
"country_code": "US",
"postal_code": "432154701",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://epicprod-mobile.parkview.com/FHIR/api/FHIR/R4/",
"affiliation": "N",
"address_1": "11104 Parkview Circle Dr Ste 310",
"city": "Fort Wayne",
"state": "IN",
"country_code": "US",
"postal_code": "468451733",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "dweissman192147@Direct.Parkviewexchange.com",
"affiliation": "N",
"address_1": "11104 Parkview Circle Dr Ste 310",
"city": "Fort Wayne",
"state": "IN",
"country_code": "US",
"postal_code": "468451733",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://epicprod-mobile.parkview.com/FHIR/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "11104 Parkview Circle Dr Ste 310",
"city": "Fort Wayne",
"state": "IN",
"country_code": "US",
"postal_code": "468451733",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Pittsburgh, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.