Dr William C Chapman Jr, MD is a medicare enrolled "Colon & Rectal Surgery" physician in Saint Louis, Missouri. He went to Georgetown University School Of Medicine and graduated in 2015 and has 10 years of diverse experience with area of expertise as Colorectal Surgery (proctology). He is a member of the group practice Washington University and his current practice location is
1044 N Mason Rd, Div Surg Colon/rectal, Ste 310, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at
(314) 454-7177.
Dr William C Chapman Jr is licensed to practice in Missouri (license number 2017007784) and he also participates in the medicare program. He
accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1003297177.
Physician's Profile
| Full Name | Dr William C Chapman Jr |
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| Gender | Male |
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| Speciality | Colorectal Surgery (proctology) |
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| Experience | 10 Years |
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| Location | 1044 N Mason Rd, Saint Louis, Missouri |
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| Accepts Medicare Assignments | Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance. |
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Medical Education and Training:
- Dr William C Chapman Jr attended and graduated from Georgetown University School Of Medicine in 2015
NPI Data:
- NPI Number: 1003297177
- Provider Enumeration Date: 06/15/2015
- Last Update Date: 04/15/2025
Medicare PECOS Information:
- PECOS PAC ID: 3274847876
- Enrollment ID: I20230606000999
Medical Identifiers
Medical identifiers for Dr William C Chapman Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1003297177 | NPI | - | NPPES |
| 200044671 | Medicaid | MO | |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 208600000X | Surgery | 2017007784 (Missouri) | Secondary |
| 208C00000X | Colon & Rectal Surgery | 2017007784 (Missouri) | Primary |
Medical Facilities Affiliation
Group Practice Association
| Group Practice Name | Group PECOS PAC ID | No. of Members |
|---|
| Washington University | 9830008770 | 2782 |
Medicare Reassignments
Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr William C Chapman Jr allows following entities to bill medicare on his behalf.
| Entity Name | Washington University |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1134169568
PECOS PAC ID: 9830008770
Enrollment ID: O20040317000959 |
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Medicare Part D Prescriber Enrollment
Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr William C Chapman Jr is
enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.
Mailing Address and Practice Location
| Mailing Address | Practice Location Address |
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Dr William C Chapman Jr, MD
Po Box 7412011,
Chicago, IL 60674-2011
Ph: (314) 454-7177 | Dr William C Chapman Jr, MD
1044 N Mason Rd, Div Surg Colon/rectal, Ste 310,
Saint Louis, MO 63141-6431
Ph: (314) 454-7177 |
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