Sybil K. Hallman, MD
Obstetrics & Gynecology Physician · Madison, WI
Sybil K. Hallman, MD is an obstetrics & gynecology physician with a practice address in Madison, Wisconsin, and NPI 1518594993, issued on Mar 25, 2020. Check the license (Wisconsin 83314, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sybil K. Hallman
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 83314 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-6240
- Enumerated
- Mar 25, 2020
- Record last updated
- Dec 11, 2024
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
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Verify Sybil K. Hallman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 83314Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
27 Medicare Part D claims for 15 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Sybil K. Hallman among 796 obstetrics & gynecology physician records in Wisconsin
Sybil K. Hallman, MD is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 90% of them.
- NPI issued2020 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2024 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Madison → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Maya Adler, MD, MPHMadison, WI 537921801598933
- Michelle Breuer, DOMadison, WI 537921366137663
- Nicolette Codispoti, MDMadison, WI 537921538855655
- Michelle DemeoMadison, WI 537921427794593
- Julie Dorland, MDMadison, WI 537921700408739
- Patricia Grzebielski, M.D.Madison, WI 537921831517010
- Sanaya IraniMadison, WI 537921790266161
- Olivia Johnson, MDMadison, WI 537921972208114
Common questions
What is Sybil K. Hallman, MD's NPI number?
Sybil K. Hallman, MD's National Provider Identifier (NPI) is 1518594993, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sybil K. Hallman, MD located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-6240. Providers update this record themselves, so call before visiting.
How can I verify Sybil K. Hallman, MD's license?
NPPES lists Wisconsin license number 83314, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sybil K. Hallman, MD prescribe under Medicare Part D?
In 2024, Sybil K. Hallman, MD had 27 Medicare Part D claims for 15 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.