Gaynelle S. De Guzman
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 413
- MIPS score, 2024
- 100
- Industry payments
- $33
- Affiliated sites
- 1
- Practice address
- 16465 Sierra Lakes Pkwy, Fontana, CA 92336
- Practice phone
- Call (909) 823-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Namita Mohideen MD Inc
Fontana, California
Find Gaynelle De Guzman'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.
Gaynelle S. De Guzman is a family nurse practitioner in Fontana, California
Gaynelle De Guzman practices at Namita Mohideen MD Inc in Fontana, California.
Gaynelle De Guzman's NPI, 1609337625, was assigned on March 31, 2019. Gaynelle De Guzman holds California license 95011460.
- NPI
- 1609337625NPI Registry (opens in a new tab)
- NPI enumeration date
- March 31, 2019
- NPI status
- Active
- Practice phone
- (909) 823-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Gaynelle S. De Guzman practices at Namita Mohideen MD Inc in Fontana, California
Gaynelle De Guzman's primary practice is Namita Mohideen MD Inc, at 16465 Sierra Lakes Pkwy, Fontana, CA 92336 in San Bernardino County. The practice phone is (909) 823-8000.
- Namita Mohideen MD Inc16465 Sierra Lakes Pkwy, Fontana, CA 92336 · San Bernardino CountyPhone(909) 823-8000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gaynelle S. De Guzman is affiliated with 2 sites of care and 1 medical group
Gaynelle De Guzman's primary practice is Namita Mohideen MD Inc in Fontana, California. The medical group on file is Golden State Pediatrics and Family Medicine. Dmand AI also links Gaynelle De Guzman to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gaynelle S. De Guzman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gaynelle De Guzman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Namita Mohideen MD Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Gaynelle S. De Guzman is one of 13,532 family nurse practitioners in California
Family is Gaynelle De Guzman's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Gaynelle De Guzman is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Gaynelle De Guzman
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
Gaynelle S. De Guzman treated 54 Medicare patients in 2024, average age 71
CMS counts 54 Medicare patients who saw Gaynelle De Guzman in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 74% are also on Medicaid. Their average risk score is 1.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gaynelle De Guzman's median patient age at 47, with 79% women.
Gaynelle De Guzman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gaynelle De Guzman's Medicare patients by sex, 2024
- Women3769%
- Men1731%
Chronic conditions among Gaynelle De Guzman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Chronic kidney disease35%
- Diabetes33%
- Mood disorders28%
- Depression24%
- Alcohol and drug use disorders22%
Share of Medicare patients with each condition. A patient can have several.
Gaynelle De Guzman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women79%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gaynelle S. De Guzman wrote 413 Medicare Part D claims in 2024
In 2024, Gaynelle De Guzman wrote 413 Medicare Part D claims for 110 patients. 83% of them were for generic drugs.
Gaynelle De Guzman's Part D claims by kind of drug, 2024
- Generic341 claims83%
- Brand-name and other72 claims17%
Drug classes CMS tracks in Gaynelle De Guzman's Part D claims, 2024
- Antibiotics9%37 of 413 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gaynelle S. De Guzman 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 Gaynelle De Guzman for performance year 2024, reported through an alternative payment model (APM).
Gaynelle De Guzman'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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Gaynelle S. De Guzman received $33 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gaynelle De Guzman from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $33.
Companies that paid Gaynelle De Guzman the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gaynelle S. De Guzman'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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 Gaynelle S. De Guzman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gaynelle S. De Guzman's NPI number?
Gaynelle S. De Guzman's NPI number is 1609337625. It was assigned on March 31, 2019, and it is active in the NPI Registry.
What does Gaynelle S. De Guzman specialize in?
Gaynelle S. De Guzman is a family nurse practitioner in Fontana, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Gaynelle S. De Guzman practice?
Gaynelle De Guzman practices at 16465 Sierra Lakes Pkwy, Fontana, CA 92336. Gaynelle De Guzman's primary practice is Namita Mohideen MD Inc in Fontana, California. Dmand AI also links Gaynelle De Guzman to 1 group practice or clinic.
What is Gaynelle S. De Guzman's office phone number?
The practice phone on file for Gaynelle De Guzman is (909) 823-8000.
What is Gaynelle S. De Guzman's medical license number?
Gaynelle De Guzman holds California license 95011460.
What medical group is Gaynelle S. De Guzman part of?
Gaynelle De Guzman is linked to Golden State Pediatrics and Family Medicine.
What is Gaynelle S. De Guzman's MIPS score?
Gaynelle De Guzman'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 Gaynelle S. De Guzman see?
CMS counts 54 Medicare patients who saw Gaynelle De Guzman in 2024, with an average age of 71.
Has Gaynelle S. De Guzman received payments from drug or device companies?
CMS Open Payments shows $33 in general payments to Gaynelle De Guzman from 1 company from 2025 to 2025. The largest total came from Sanofi Pasteur Inc.
How long has Gaynelle S. De Guzman been practicing?
Gaynelle De Guzman graduated from medical school in 2018, 8 years ago.
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