Joyce Ann Loeffler, MD
Urology Physician · Woodland, CA
Joyce Ann Loeffler, MD is a urology physician with a practice address in Woodland, California, and NPI 1144253352, issued on Jul 9, 2006. Check the license (California G84054, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joyce Ann Loeffler
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- G84054 CA
MD00040374 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1321 Cottonwood St, Woodland, CA 95695
- Phone
- (530) 668-2600
- Enumerated
- Jul 9, 2006
- Record last updated
- Jun 6, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (530) 661-3034
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 1321 Cottonwood St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cathy Jang, MDObstetrics & Gynecology Physician1750306718
Verify Joyce Ann Loeffler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G84054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average urology physician in 2024
901 Medicare Part D claims for 264 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Tamsulosin Hcl154 claims
- Finasteride152 claims
- Myrbetriq65 claims
- Sulfamethoxazole-Trimethoprim63 claims
- Cephalexin46 claims
- Potassium Citrate Er36 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): 96.5 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: $16.95
1 payment: food and beverage; the largest payer was ConvaTec Inc. The 9,340 providers of this specialty with any payment received $3,800.04 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.
Joyce Ann Loeffler among 1,524 urology physician records in California
Joyce Ann Loeffler, MD is one of 1,524 urology physician records with a practice address in California. 82% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 51% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2017 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Woodland → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Robert Craven, M.D.Woodland, CA 956951528098100
- Allison Glass, M.D.Woodland, CA 956951992021554
- David Kollhoff, MDWoodland, CA 956951316100563
- Jack Smith, M.D.Woodland, CA 956951043248818
- Aeen Asghar, MDVacaville, CA 956881598128522
- Gricelda Gomez, MD, MPHVacaville, CA 956881407389265
- Edward Levin, MDVacaville, CA 956881710075536
- Kadee Thompson, M.D.Vacaville, CA 956881114108800
Common questions
What is Joyce Ann Loeffler, MD's NPI number?
Joyce Ann Loeffler, MD's National Provider Identifier (NPI) is 1144253352, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joyce Ann Loeffler, MD located?
The NPPES record lists a practice address at 1321 Cottonwood St, Woodland, CA, 95695. Phone: (530) 668-2600. Providers update this record themselves, so call before visiting.
How can I verify Joyce Ann Loeffler, MD's license?
NPPES lists California license number G84054, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joyce Ann Loeffler, MD prescribe under Medicare Part D?
In 2024, Joyce Ann Loeffler, MD had 901 Medicare Part D claims for 264 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Joyce Ann Loeffler, MD's MIPS final score?
The 2023 MIPS final score is 96.5 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.