William Zollinger, M.D.
Specialist · Monroe, LA
William Zollinger, M.D. is a specialist with a practice address in Monroe, Louisiana, and NPI 1952402042, issued on Sep 25, 2006. Check the license (Louisiana MD.020943, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Zollinger
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- MD.020943 LA
Self-reported in NPPES; status is on the state search - Practice location
- 411 Calypso St, Monroe, LA 71201
- Phone
- (318) 327-1900
- Enumerated
- Sep 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (318) 327-1901
- Medicaid ID
- 1678244 LA
- Medicare enrollment
- Enrolled (PECOS I20100901000803); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1990
- Entity
- Type 1 · individual
8 nearest specialist records → All 550 in Louisiana → Look up another NPI →
Also registered at 411 Calypso St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Massey, MS,LDN,RDRegistered Dietitian1124226303
- Dianna Pitre, FNPFamily Nurse Practitioner1134751126
- Casey Walker, RHIT, CTRResearch Study Abstracter/Coder1902429491
- Benjamin Weinberger, D. O.Hematology & Oncology Physician1174520092
Verify William Zollinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license MD.020943Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average specialist in 2024
185 Medicare Part D claims for 86 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 16 claims were for opioids.
Most prescribed
- Tamsulosin Hcl30 claims
- Pilocarpine Hcl22 claims
- Dexamethasone18 claims
- Silver Sulfadiazine14 claims
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.
The MIPS final score for 2023 (Medicare payment program): 83.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $24.79
1 payment: food and beverage; the largest payer was Monteris Medical Corporation. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northeast Louisiana Radiation OncologyMonroe, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Zollinger among 550 specialist records in Louisiana
William Zollinger, M.D. is one of 550 specialist records with a practice address in Louisiana. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1990 · median 1991 among the 124 with a school on file
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Louisiana
There are 550 specialist records in Louisiana.
All 550 in Louisiana → Every provider in Monroe → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Crystal Ellis, OTMonroe, LA 712011487969168
- Jarrad Faulk, PTMonroe, LA 712011154377851
- Robert Hendrick, M.D.Monroe, LA 712011750313896
- Phillip Hill, MS, ATC, LATMonroe, LA 712011437503315
- Stefanie Rawls, LOTRMonroe, LA 712011699803825
- Patrick Regan, LCSWMonroe, LA 712021992724884
- Leslye Barnes, OTBastrop, LA 712201588769533
- Bal Bhandari, M.D.Bastrop, LA 712201063473494
Common questions
What is William Zollinger, M.D.'s NPI number?
William Zollinger, M.D.'s National Provider Identifier (NPI) is 1952402042, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Zollinger, M.D. located?
The NPPES record lists a practice address at 411 Calypso St, Monroe, LA, 71201. Phone: (318) 327-1900. Providers update this record themselves, so call before visiting.
How can I verify William Zollinger, M.D.'s license?
NPPES lists Louisiana license number MD.020943, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does William Zollinger, M.D. prescribe under Medicare Part D?
In 2024, William Zollinger, M.D. had 185 Medicare Part D claims for 86 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is William Zollinger, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.