Latent TuberculosisMycobacterium tuberculosisTuberculosis
Dr. Ann Marie Loeffler, MD
NPI1053374611
- Publications
- 3
- MIPS score, 2024
- 61
- Hospital affiliations
- 1
- Industry payments
- $15
- Medical groups
- 4
- Practice address
- 976 Lenzen Avenue, San Jose, CA 95126
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Valley Health Center Lenzen
FQHC - Main Site · San Jose, California
Find Dr. Loeffler's professional email, personal email and mobile number
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Dr. Ann Marie Loeffler is a pediatric infectious diseases physician in San Jose, California
Dr. Loeffler practices at Valley Health Center Lenzen in San Jose, California.
Dr. Loeffler's NPI, 1053374611, was assigned on April 6, 2006. Dr. Loeffler holds Oregon license MD24226.
NPI and contact details
- NPI
- 1053374611NPI Registry (opens in a new tab)
- NPI enumeration date
- April 6, 2006
- NPI status
- Active
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ann Marie Loeffler practices at Valley Health Center Lenzen in San Jose, California
Dr. Loeffler's primary practice is Valley Health Center Lenzen, at 976 Lenzen Avenue, San Jose, CA 95126 in Santa Clara County. The practice phone is (408) 885-5000.
- Valley Health Center Lenzen976 Lenzen Avenue, San Jose, CA 95126 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Ann Marie Loeffler is affiliated with 2 sites of care and 4 medical groups
Dr. Loeffler's primary practice is Valley Health Center Lenzen in San Jose, California. Dr. Loeffler is also affiliated with Legacy Emanuel Medical Center. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Loeffler to 3 more medical groups, each named with a free account. Dr. Loeffler's employer is on file too: a community health center (fqhc).
Valley Health Center LenzenPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ann Marie Loeffler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loeffler practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Health Center Lenzen | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ann Marie Loeffler is one of 146 pediatric infectious diseases physicians in California
Pediatric infectious diseases is Dr. Loeffler's primary specialty in the NPI Registry, under taxonomy code 2080P0208X. Dr. Loeffler is licensed in Oregon.
Specialties and state licenses
- Pediatric infectious diseases, OregonPrimary
Pediatric infectious diseases physicians near Dr. Loeffler
Counts of pediatric infectious diseases physicians with a Dmand AI profile, by place and practice. Each opens the list.
146pediatric infectious diseases physicians in California
4pediatric infectious diseases physicians in San Jose
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ann Marie Loeffler's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Dr. Loeffler's median patient age at 45, with 57% women.
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 45
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Ann Marie Loeffler scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Loeffler for performance year 2024, reported as part of a group.
Dr. Loeffler's MIPS scores, performance year 2024
- 61of 100Final score
- 59.4of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
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
Dr. Ann Marie Loeffler has 3 publications on record
Dmand AI links 3 papers to Dr. Loeffler in 2016. The most frequent topics are Anti-Bacterial Agents, Latent Tuberculosis and Mycobacterium tuberculosis. Dr. Loeffler's most frequent co-authors are Charles L. Daley, MD, Richard James Brostrom, MD, MSPH and David L. Cohn, MD.
Papers3
Topics Dr. Loeffler writes about most
- Anti-Bacterial Agents
- Latent Tuberculosis
- Mycobacterium tuberculosis
Dr. Loeffler's most frequent co-authors
- Charles L. Daley, MD2 shared papers
- Richard James Brostrom, MD, MSPH1 shared paper
- David L. Cohn, MD1 shared paper
Recent publications by Dr. Loeffler
Anti-Bacterial AgentsDrug MonitoringLatent Tuberculosis
J Pediatric Infect Dis Soc
Anti-Bacterial AgentsAntimicrobial StewardshipBacterial Infections
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 pediatric infectious diseases physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ann Marie Loeffler received $15 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Loeffler from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $15.
Companies that paid Dr. Loeffler the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ann Marie Loeffler's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ann Marie 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. Ann Marie Loeffler's NPI number?
Dr. Ann Marie Loeffler's NPI number is 1053374611. It was assigned on April 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ann Marie Loeffler?
Dr. Ann Marie Loeffler is a pediatric infectious diseases physician in San Jose, California. The primary specialty in the NPI Registry is Pediatric Infectious Diseases Physician (taxonomy code 2080P0208X).
Where does Dr. Ann Marie Loeffler practice?
Dr. Loeffler practices at 976 Lenzen Avenue, San Jose, CA 95126. Dr. Loeffler's primary practice is Valley Health Center Lenzen in San Jose, California. Dmand AI also links Dr. Loeffler to 3 medical groups.
What is Dr. Ann Marie Loeffler's office phone number?
The practice phone on file for Dr. Loeffler is (408) 885-5000.
What is Dr. Ann Marie Loeffler's medical license number?
Dr. Loeffler holds Oregon license MD24226.
Which hospitals is Dr. Ann Marie Loeffler affiliated with?
Dr. Loeffler is affiliated with Legacy Emanuel Medical Center.
What medical group is Dr. Ann Marie Loeffler part of?
Dr. Loeffler is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI links Dr. Loeffler to 3 more medical groups.
What is Dr. Ann Marie Loeffler's MIPS score?
Dr. Loeffler's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
Has Dr. Ann Marie Loeffler received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Loeffler from 1 company from 2021 to 2021. The largest total came from Cook Medical LLC.
How long has Dr. Ann Marie Loeffler been practicing?
Dr. Loeffler graduated from medical school in 1987, 39 years ago.
Does Dr. Ann Marie Loeffler do research?
Dmand AI links 3 publications to Dr. Loeffler.
Who does Dr. Ann Marie Loeffler publish with?
Dr. Loeffler's most frequent co-authors are Charles L. Daley, MD (2 shared papers), Richard James Brostrom, MD, MSPH (1 shared paper) and David L. Cohn, MD (1 shared paper).
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