Dr. John Francis Zambetti, MD
- Medicare services, 2024
- 282
- Medicare patients, 2024
- 127
- Part D claims, 2018
- 11
- MIPS score, 2024
- 81
- Affiliated sites
- 3
- Practice address
- 43839 15th W St, Lancaster, CA 93534
- Practice phone
- Call (661) 945-5984
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
High Desert Medical Group
Urgent Care Center · Lancaster, California
Find Dr. Zambetti's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Francis Zambetti is an emergency medicine physician in Lancaster, California
Dr. Zambetti practices at High Desert Medical Group in Lancaster, California.
Dr. Zambetti's NPI, 1275639379, was assigned on September 15, 2006. Dr. Zambetti graduated from New York Medical College in 1975. Dr. Zambetti holds California license G33362.
- NPI
- 1275639379NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709825490
- NPI enumeration date
- September 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (661) 945-5984
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Francis Zambetti practices at High Desert Medical Group in Lancaster, California
Dr. Zambetti's primary practice is High Desert Medical Group, at 43839 15th W St, Lancaster, CA 93534. The practice phone is (661) 945-5984.
- High Desert Medical Group43839 15th W St, Lancaster, CA 93534Phone(661) 945-5984
Source: Dmand AI Affiliation Data
Dr. John Francis Zambetti is affiliated with 3 sites of care and 2 medical groups
Dr. Zambetti's primary practice is High Desert Medical Group in Lancaster, California. The medical group on file is High Desert Medical Group. Dmand AI also links Dr. Zambetti to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Zambetti's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Francis Zambetti's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zambetti practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| High Desert Medical Group | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Francis Zambetti is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Zambetti's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Zambetti is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Zambetti
Counts of emergency medicine physicians 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
Dr. John Francis Zambetti billed Medicare for 282 services in 2024
CMS data shows 282 Medicare services from Dr. Zambetti across 12 procedure codes in 2024, for 127 Medicare patients. Medicare paid $11,487 for them. Every service was in an office.
Dr. Zambetti's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2952024: 13255%
- Lab and pathology
- 2023: 912024: 7616%
- Drugs given in the office
- 2023: 2162024: 4081%
- Tests and treatments
- 2023: 1032024: 1982%
- Imaging
- 2023: 192024: 1521%
- Surgery
- 2023: 172024: 0100%
Dr. Zambetti compared with the California median for emergency medicine physicians, 2024
- Dr. Zambetti
- California median
- Medicare services
- 282vs 2656% above
- Medicare patients
- 127vs 24348% below
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Zambetti'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zambetti and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Francis Zambetti treated 127 Medicare patients in 2024, average age 73
CMS counts 127 Medicare patients who saw Dr. Zambetti in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 37% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zambetti's median patient age at 61, with 56% women.
Dr. Zambetti's Medicare patients by age, 2024
Dr. Zambetti's Medicare patients by sex, 2024
- Women8365%
- Men4435%
Chronic conditions among Dr. Zambetti's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis64%
- Diabetes32%
- Depression28%
- Mood disorders28%
- Anxiety24%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zambetti's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Francis Zambetti wrote 11 Medicare Part D claims in 2018
In 2018, Dr. Zambetti wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $58 in total drug cost.
Dr. Zambetti's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. John Francis Zambetti scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Zambetti for performance year 2024, reported as part of a group. Dr. Zambetti accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zambetti's MIPS scores, performance year 2024
- 81of 100Final score
- 62.4of 100Quality
- 76of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 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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Dr. John Francis Zambetti graduated from New York Medical College
Dr. Zambetti graduated from New York Medical College in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John Francis Zambetti accepts plans from 3 insurance carriers
Dr. Zambetti is in network with 3 carriers, including Molina, United Healthcare and Blue Cross and Blue Shield of Kansas City. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Molina
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
Plan types Dr. Zambetti accepts, by number of carriers
- HMO2
- EPO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Francis Zambetti'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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. John Francis Zambetti
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. John Francis Zambetti's NPI number?
Dr. John Francis Zambetti's NPI number is 1275639379. It was assigned on September 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Francis Zambetti?
Dr. John Francis Zambetti is an emergency medicine physician in Lancaster, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. John Francis Zambetti practice?
Dr. Zambetti practices at 43839 15th W St, Lancaster, CA 93534. Dr. Zambetti's primary practice is High Desert Medical Group in Lancaster, California. Dmand AI also links Dr. Zambetti to 2 group practices and clinics and 1 medical group.
What is Dr. John Francis Zambetti's office phone number?
The practice phone on file for Dr. Zambetti is (661) 945-5984.
What is Dr. John Francis Zambetti's medical license number?
Dr. Zambetti holds California license G33362.
What medical group is Dr. John Francis Zambetti part of?
Dr. Zambetti is linked to High Desert Medical Group. Dmand AI links Dr. Zambetti to 1 more medical group.
Does Dr. John Francis Zambetti accept Medicare?
Yes. CMS data shows Dr. Zambetti billed Medicare for 282 services in 2024, and Dr. Zambetti accepts Medicare assignment.
What is Dr. John Francis Zambetti's MIPS score?
Dr. Zambetti's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. John Francis Zambetti see?
CMS counts 127 Medicare patients who saw Dr. Zambetti in 2024, with an average age of 73.
What services does Dr. John Francis Zambetti bill to Medicare?
In 2024, Dr. Zambetti's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and injected or infused drug (J1885).
Show 4 more questionsShow fewer questions
Where did Dr. John Francis Zambetti go to medical school?
Dr. Zambetti graduated from New York Medical College in 1975.
What drugs does Dr. John Francis Zambetti prescribe most?
In 2018 Medicare Part D data, Dr. Zambetti's most prescribed drugs by claims were Azithromycin.
How long has Dr. John Francis Zambetti been practicing?
Dr. Zambetti graduated from medical school in 1975, 51 years ago.
What insurance does Dr. John Francis Zambetti accept?
Dr. Zambetti is in network with 3 carriers, including Molina, United Healthcare and Blue Cross and Blue Shield of Kansas City. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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