Dr. Joyce Ann Loeffler, MD

  • Woodland, CA
  • Urologist
NPI1144253352
Medicare services, 2024
899
Medicare patients, 2024
237
Part D claims, 2024
901
Publications
4
MIPS score, 2024
100
Practice address
1321 Cottonwood St, Woodland, CA 95695
Practice phone
Call (530) 666-1631
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Woodland Clinic, a Service of Dignity Health Medical Foundation

Woodland, California

See all 3 affiliations

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Dr. Joyce Ann Loeffler is a urologist in Woodland, California

Dr. Loeffler practices at Woodland Clinic, a Service of Dignity Health Medical Foundation in Woodland, California.

Dr. Loeffler's NPI, 1144253352, was assigned on July 9, 2006. Dr. Loeffler graduated from University of Colorado Anschutz Medical Campus in 1991. Dr. Loeffler holds California license G84054.

NPI and contact details
NPI enumeration date
July 9, 2006
NPI status
Active
Practice phone
(530) 666-1631
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
61
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Joyce Ann Loeffler practices at Woodland Clinic, a Service of Dignity Health Medical Foundation in Woodland, California

Dr. Loeffler's primary practice is Woodland Clinic, a Service of Dignity Health Medical Foundation, at 1321 Cottonwood St, Woodland, CA 95695 in Yolo County. The practice phone is (530) 666-1631.

  • Woodland Clinic, a Service of Dignity Health Medical Foundation
    1321 Cottonwood St, Woodland, CA 95695 · Yolo CountyPhone(530) 666-1631

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Joyce Ann Loeffler is affiliated with 2 sites of care and 1 medical group

Dr. Loeffler's primary practice is Woodland Clinic, a Service of Dignity Health Medical Foundation in Woodland, California. The medical group on file is Mercy Medical Group. Dmand AI also links Dr. Loeffler to 1 more group practice or clinic, named with a free account.

Woodland Clinic, a Service of Dignity Health Medical FoundationWoodland, CaliforniaPrimary
Mercy Medical GroupPrimary care group, Sacramento, CA1 group practice or clinicName with a free account
See all 3 affiliations for Dr. Loeffler

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Joyce Ann Loeffler's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loeffler practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Woodland Clinic, a Service of Dignity Health Medical FoundationAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joyce Ann Loeffler is one of 1,395 urologists in California

Urology is Dr. Loeffler's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Loeffler is board certified in urology by the American Board of Urology. Dmand AI has Dr. Loeffler's licenses on file in 2 states: California and Washington.

Specialties and state licenses

  • Urology, CaliforniaPrimaryLicense G84054 · 1997 to 2026 · taxonomy 208800000X
  • Washington licenseLicense MD00040374 · 2001 to 2018

Clinical focus

Dmand AI lists bladder disease, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney cysts, kidney removal surgery, kidney stone disease and pelvic prolapse among the conditions Dr. Loeffler treats.

Urologists near Dr. Loeffler

Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.

1,395urologists in California
3urologists in Woodland

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Joyce Ann Loeffler billed Medicare for 899 services in 2024

CMS data shows 899 Medicare services from Dr. Loeffler across 11 procedure codes in 2024, for 237 Medicare patients. Medicare paid $49,592 for them. Every service was in an office.

Medicare services, 2024899
Medicare patients237
Paid by Medicare$49,592
Procedure codes11

Dr. Loeffler's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4622024: 41011%
Lab and pathology
2023: 2232024: 25012%
Surgery
2023: 2792024: 23914%
Imaging
2023: 232024: 0100%

Dr. Loeffler compared with the California median for urologists, 2024

  • Dr. Loeffler
  • California median
Medicare services
899vs 1,05014% below
Medicare patients
237vs 34632% below
Part D claims
775vs 64221% above

Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.

Dr. Loeffler's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Loeffler

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Loeffler and other urologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Joyce Ann Loeffler treated 237 Medicare patients in 2024, average age 75

CMS counts 237 Medicare patients who saw Dr. Loeffler in 2024. The largest group is 75 to 84, with 99 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Loeffler's median patient age at 73, with 23% women.

Medicare patients, 2024237
Average age75
Average risk score1.37
Also on Medicaid32%

Dr. Loeffler's Medicare patients by age, 2024

Dr. Loeffler's Medicare patients by sex, 2024

  • Women5624%
  • Men18176%

Chronic conditions among Dr. Loeffler's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis45%
  4. Chronic kidney disease32%
  5. Cancer30%
  6. Diabetes30%
  7. Atrial fibrillation22%
  8. Ischemic heart disease20%

Share of Medicare patients with each condition. A patient can have several.

Dr. Loeffler's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women23%
  • Men77%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Joyce Ann Loeffler wrote 901 Medicare Part D claims in 2024

In 2024, Dr. Loeffler wrote 901 Medicare Part D claims for 264 patients. 90% of them were for generic drugs. CMS names the drug for 775 of them, across 18 drugs with 11 or more claims each, at $62,014 in total drug cost. In 2023, CMS named 912 claims across 18 drugs.

Part D claims, 2024901
Drugs named by CMS18
Total drug cost$62,014
Part D patients264

Dr. Loeffler's Part D claims by kind of drug, 2024

  • Generic812 claims90%
  • Brand-name and other89 claims10%

Dr. Loeffler's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Loeffler's Part D claims, 2024

  • Opioids2%16 of 901 claims
  • Antibiotics19%170 of 901 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9122024: 77515%

Drugs named by CMS: 18 in 2024, 18 in 2023.

See all prescribing by Dr. Loeffler

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Joyce Ann Loeffler scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Loeffler for performance year 2024, reported through an alternative payment model (APM).

Dr. Loeffler's MIPS scores, performance year 2024

  • 100of 100Final score
  • 86.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Joyce Ann Loeffler has 4 publications on record

Dmand AI links 4 papers to Dr. Loeffler, published from 2012 to 2014. 2014 was the busiest year, with 2. Dr. Loeffler's most frequent co-author is Amit Kumar Aggarwal, DO.

Papers4
Years published2012 to 2014

Dr. Loeffler's papers by year, 2012 to 2014

Dr. Loeffler's most frequent co-authors

Recent publications by Dr. Loeffler

See all 4 publications and co-authors

See who Dr. Loeffler researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Loeffler works with, so you can find a warm path to the right urologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Joyce Ann Loeffler received $3,830 in industry payments from 2016 to 2024

CMS Open Payments shows 49 general payments to Dr. Loeffler from 20 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 47% of the total. Boston Scientific Corporation paid the most, $1,165.

General payments to Dr. Loeffler by program year, 2016 to 2024

General payments to Dr. Loeffler by kind, 2016 to 2024

$3.8Kin total
  • Food and beverage$1,80947%
  • Travel and lodging$1,80147%
  • Education$2206%

Companies that paid Dr. Loeffler the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Loeffler

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Joyce Ann Loeffler graduated from University of Colorado Anschutz Medical Campus

Dr. Loeffler graduated from University of Colorado Anschutz Medical Campus in 1991.

  1. Medical schoolUniversity of Colorado Anschutz Medical Campus
  2. Board certified in urologyAmerican Board of Urology

Source: Dmand AI Professional Profile Data

Dr. Joyce Ann Loeffler accepts plans from 13 insurance carriers

Dr. Loeffler is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Loeffler accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO5
  4. POS5
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Joyce Ann Loeffler's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Joyce Ann Loeffler

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Joyce Ann Loeffler's NPI number?

Dr. Joyce Ann Loeffler's NPI number is 1144253352. It was assigned on July 9, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Joyce Ann Loeffler?

Dr. Joyce Ann Loeffler is a urologist in Woodland, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Dr. Joyce Ann Loeffler practice?

Dr. Loeffler practices at 1321 Cottonwood St, Woodland, CA 95695. Dr. Loeffler's primary practice is Woodland Clinic, a Service of Dignity Health Medical Foundation in Woodland, California. Dmand AI also links Dr. Loeffler to 1 group practice or clinic.

What is Dr. Joyce Ann Loeffler's office phone number?

The practice phone on file for Dr. Loeffler is (530) 666-1631.

What is Dr. Joyce Ann Loeffler's medical license number?

Dr. Loeffler holds California license G84054, one of the licenses on file in 2 states.

Which states has Dr. Joyce Ann Loeffler been licensed in?

Dmand AI has state licenses on file for Dr. Loeffler in California (1997 to 2026) and Washington (2001 to 2018).

What medical group is Dr. Joyce Ann Loeffler part of?

Dr. Loeffler is linked to Mercy Medical Group.

Does Dr. Joyce Ann Loeffler accept Medicare?

Yes. CMS data shows Dr. Loeffler billed Medicare for 899 services in 2024.

What is Dr. Joyce Ann Loeffler's MIPS score?

Dr. Loeffler's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Joyce Ann Loeffler see?

CMS counts 237 Medicare patients who saw Dr. Loeffler in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Dr. Joyce Ann Loeffler board certified?

Yes. Dr. Loeffler is board certified in urology by the American Board of Urology.

What services does Dr. Joyce Ann Loeffler bill to Medicare?

In 2024, Dr. Loeffler's most billed Medicare services were lab and pathology test (81003), office visit, established patient (99213) and office visit, established patient (99214).

Where did Dr. Joyce Ann Loeffler go to medical school?

Dr. Loeffler graduated from University of Colorado Anschutz Medical Campus in 1991.

What drugs does Dr. Joyce Ann Loeffler prescribe most?

In 2024 Medicare Part D data, Dr. Loeffler's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Myrbetriq.

Has Dr. Joyce Ann Loeffler received payments from drug or device companies?

CMS Open Payments shows $3,830 in general payments to Dr. Loeffler from 20 companies from 2016 to 2024. The largest total came from Boston Scientific Corporation.

How long has Dr. Joyce Ann Loeffler been practicing?

Dr. Loeffler graduated from medical school in 1991, 35 years ago.

Does Dr. Joyce Ann Loeffler do research?

Dmand AI links 4 publications to Dr. Loeffler, published from 2012 to 2014.

Who does Dr. Joyce Ann Loeffler publish with?

Dr. Loeffler's most frequent co-authors are Amit Kumar Aggarwal, DO (1 shared paper).

What insurance does Dr. Joyce Ann Loeffler accept?

Dr. Loeffler is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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