SYED D HASAN MD
NPI 1245598127
Family Medicine in Greenfield, WI
About Syed D Hasan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYED D HASAN MD (NPI 1245598127) is an individual family medicine provider in Greenfield, Wisconsin, licensed in Wisconsin (61291-20) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Sweeny Community Hospital, and is a graduate of Other.
NPPES Registry Identity
Specialties & Licenses 6
Other Identifiers 2
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
Syed D Hasan 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 Syed Hasan reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bonham, TX 75418
- Reassigned Medicare billing, Texas enrollment
- 48 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 clinicians in this Medicare group
Dumas, TX 79029
- Reassigned Medicare billing, Texas enrollment
- 92 clinicians in this Medicare group
Liberty, TX 77575
- Reassigned Medicare billing, Texas enrollment
- 199 clinicians in this Medicare group
Killeen, TX 76549
- Reassigned Medicare billing, Texas enrollment
- 387 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,338 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 clinicians in this Medicare group
Houston, TX 77027
- Reassigned Medicare billing, Texas enrollment
- 139 clinicians in this Medicare group
Pasadena, TX 77505
- Reassigned Medicare billing, Texas enrollment
- 644 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sweeny Community Hospital
Critical Access Hospitals · Sweeny, TXAd Hospital East, LLC
Acute Care Hospitals · Houston, TXSt Michaels Medical Hospital LLC
Acute Care Hospitals · Sugar Land, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53220 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.
MILWAUKEE, WI 53220
GREENFIELD, WI 53220
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 Syed Hasan's NPI number?
The NPI number for Syed Hasan is 1245598127. It was assigned to this individual provider in the NPPES registry on April 27, 2012.
Where is Syed Hasan located?
Syed Hasan practices at 6901 W Edgerton Ave, Greenfield, WI 53220. The listed phone number is (414) 421-8400.
What is Syed Hasan's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Syed Hasan enrolled in Medicare?
Yes. Syed Hasan 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 Syed Hasan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Syed Hasan reassigns Medicare benefits to 12 organizations: Hospitalist Medicine Physicians Of Texas - Cypress PLLC (Bonham, TX), Acs Primary Care Physicians Southwest, PA (Gainesville, TX), Moore County Hospital District (Dumas, TX), Ess Of South Texas LLC (Liberty, TX), Sound Physicians Emergency Medicine Of Texas PLLC (Killeen, TX) 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 Syed Hasan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Syed Hasan accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Syed Hasan 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 Syed Hasan affiliated with any hospitals?
According to CMS data, Syed Hasan is affiliated with Sweeny Community Hospital, Ad Hospital East, LLC and St Michaels Medical Hospital LLC.
When was this NPI record last updated?
The NPPES record for Syed Hasan was last updated on January 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Syed D Hasan, MD · NPI 1245598127
Family Medicine physician in Greenfield, Wisconsin. Individual provider, active in the CMS NPPES registry since April 27, 2012.
## Identity
- **NPI:** 1245598127 (Entity type: Individual)
- **Enumerated:** April 27, 2012
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 61291-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 6901 W EDGERTON AVE, Greenfield, WI 53220-4420
- **Phone:** (414) 421-8400
## 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): Hospitalist Medicine Physicians Of Texas - Cypress PLLC (NPI 1184458838, Bonham, TX); Acs Primary Care Physicians Southwest, PA (NPI 1538101019, Gainesville, TX); Moore County Hospital District (NPI 1700991700, Dumas, TX); Ess Of South Texas LLC (NPI 1295128247, Liberty, TX); Sound Physicians Emergency Medicine Of Texas PLLC (NPI 1518475557, Killeen, TX); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other
## Record status
- **NPPES last updated:** January 12, 2016
- **Other identifiers:** Medicaid 1245598127 (WI); Medicare PIN K400182952 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1245598127) · Data from the CMS NPPES public registry.