Tracy Ann Preston, FNP
- Medicare services, 2024
- 111
- Medicare patients, 2024
- 96
- Part D claims, 2024
- 3,285
- MIPS score, 2024
- 89
- Hospital affiliations
- 1
- Practice address
- 11234 Anderson St, Loma Linda, CA 92354
- Practice phone
- Call (909) 558-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Tracy Preston's professional email, personal email and mobile number
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Tracy Ann Preston is a family nurse practitioner in Loma Linda, California
Tracy Preston practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.
Tracy Preston's NPI, 1255630398, was assigned on March 15, 2011. Tracy Preston holds California license 20611.
- NPI
- 1255630398NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789987785
- NPI enumeration date
- March 15, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (909) 558-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tracy Ann Preston practices at Loma Linda University Medical Center in Loma Linda, California
Tracy Preston's primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.
- Loma Linda University Medical Center11234 Anderson St, Loma Linda, CA 92354 · San Bernardino CountyPhone(909) 558-4000
Source: Dmand AI Affiliation Data
Tracy Ann Preston is affiliated with 2 sites of care and 4 medical groups
Tracy Preston's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Tracy Preston to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tracy Ann Preston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tracy Preston practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loma Linda University Medical Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Tracy Ann Preston is one of 13,532 family nurse practitioners in California
Family is Tracy Preston's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Tracy Preston is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists anxiety, arthritis, chronic diabetes, chronic obstructive pulmonary disease (COPD), diabetic emergency, enlarged thyroid, fibromyalgia and chronic pain and high cholesterol among the conditions Tracy Preston treats.
Family nurse practitioners near Tracy Preston
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Tracy Ann Preston billed Medicare for 111 services in 2024
CMS data shows 111 Medicare services from Tracy Preston across 3 procedure codes in 2024, for 96 Medicare patients. Medicare paid $4,971 for them. Every service was in an office.
Tracy Preston's Medicare services by type, 2024
- Office and hospital visits90
- Other services21
Tracy Preston compared with the California median for family nurse practitioners, 2024
- Tracy Preston
- California median
- Medicare services
- 111vs 23453% below
- Medicare patients
- 96vs 907% above
- Part D claims
- 2,824vs 3607.8 times
Medians across 6,382 family nurse practitioners in California with Dmand AI profiles that report each measure.
Tracy Preston'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Tracy Ann Preston treated 96 Medicare patients in 2024, average age 66
CMS counts 96 Medicare patients who saw Tracy Preston in 2024. The largest group is 65 to 74, with 46 patients. 61% of them have high blood pressure, and 51% have high cholesterol. 72% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tracy Preston's median patient age at 49, with 76% women.
Tracy Preston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Tracy Preston's Medicare patients by sex, 2024
- Women5355%
- Men4345%
Chronic conditions among Tracy Preston's Medicare patients, 2024
- High blood pressure61%
- High cholesterol51%
- Diabetes35%
- Anxiety28%
- Arthritis27%
- Mood disorders23%
- Alcohol and drug use disorders20%
- Tobacco use19%
Share of Medicare patients with each condition. A patient can have several.
Tracy Preston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women76%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tracy Ann Preston wrote 3,285 Medicare Part D claims in 2024
In 2024, Tracy Preston wrote 3,285 Medicare Part D claims for 177 patients. 84% of them were for generic drugs. CMS names the drug for 2,824 of them, across 70 drugs with 11 or more claims each, at $239,552 in total drug cost.
Tracy Preston's Part D claims by kind of drug, 2024
- Generic2,759 claims84%
- Brand-name504 claims15%
- Other22 claims1%
Tracy Preston'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 Tracy Preston's Part D claims, 2024
- Opioids4%123 of 3,285 claims
- Antibiotics1%29 of 3,285 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Tracy Ann Preston scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Tracy Preston for performance year 2024, reported as part of a group. Tracy Preston accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Tracy Preston as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Tracy Preston's MIPS scores, performance year 2024
- 89of 100Final score
- 72.1of 100Quality
- 80of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Tracy Ann Preston'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Tracy Ann Preston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tracy Ann Preston's NPI number?
Tracy Ann Preston's NPI number is 1255630398. It was assigned on March 15, 2011, and it is active in the NPI Registry.
What does Tracy Ann Preston specialize in?
Tracy Ann Preston is a family nurse practitioner in Loma Linda, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Tracy Ann Preston practice?
Tracy Preston practices at 11234 Anderson St, Loma Linda, CA 92354. Tracy Preston's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dmand AI also links Tracy Preston to 3 medical groups and 1 group practice or clinic.
What is Tracy Ann Preston's office phone number?
The practice phone on file for Tracy Preston is (909) 558-4000.
What is Tracy Ann Preston's medical license number?
Tracy Preston holds California license 20611.
Which hospitals is Tracy Ann Preston affiliated with?
Tracy Preston practices at Loma Linda University Medical Center in Loma Linda, California.
What medical group is Tracy Ann Preston part of?
Tracy Preston is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Tracy Preston to 3 more medical groups.
Does Tracy Ann Preston accept Medicare?
Yes. CMS data shows Tracy Preston billed Medicare for 111 services in 2024, and Tracy Preston accepts Medicare assignment.
Does Tracy Ann Preston offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Tracy Preston as offering telehealth services.
What is Tracy Ann Preston's MIPS score?
Tracy Preston's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
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How many Medicare patients does Tracy Ann Preston see?
CMS counts 96 Medicare patients who saw Tracy Preston in 2024, with an average age of 66.
What services does Tracy Ann Preston bill to Medicare?
In 2024, Tracy Preston's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G2211).
What drugs does Tracy Ann Preston prescribe most?
In 2024 Medicare Part D data, Tracy Preston's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Gabapentin.
How long has Tracy Ann Preston been practicing?
Tracy Preston graduated from medical school in 2010, 16 years ago.
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