Glenn Michael De Guzman, PA

  • Pomona, CA
  • Physician assistant
NPI1265448294
Medicare services, 2024
255
Medicare patients, 2024
242
Part D claims, 2024
573
MIPS score, 2024
97
Hospital affiliations
1
Practice address
1798 N Garey Ave, Pomona, CA 91767
Practice phone
Call (909) 865-9500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Pomona Valley Hospital Medical Center

Hospital · Pomona, California

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Glenn Michael De Guzman is a physician assistant in Pomona, California

Glenn De Guzman practices at Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center.

Glenn De Guzman's NPI, 1265448294, was assigned on July 31, 2006. Glenn De Guzman holds California license PA18213.

NPI and contact details
NPI enumeration date
July 31, 2006
NPI status
Active
Practice phone
(909) 865-9500
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Glenn Michael De Guzman practices at Pomona Valley Hospital Medical Center in Pomona, California

Glenn De Guzman's primary practice is Pomona Valley Hospital Medical Center, at 1798 N Garey Ave, Pomona, CA 91767 in Los Angeles County. The practice phone is (909) 865-9500.

Source: Dmand AI Affiliation Data

Glenn Michael De Guzman is affiliated with 1 site of care and 1 medical group

Glenn De Guzman's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center. The medical group on file is Vituity.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Glenn Michael De Guzman's practice

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

EHR by site
SiteEHR vendor and product
Pomona Valley Hospital Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Glenn Michael De Guzman is one of 11,482 physician assistants in California

Physician assistant is Glenn De Guzman's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Glenn De Guzman is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA18213 · taxonomy 363A00000X

Physician assistants near Glenn De Guzman

Counts of physician assistants 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

Glenn Michael De Guzman billed Medicare for 255 services in 2024

CMS data shows 255 Medicare services from Glenn De Guzman across 2 procedure codes in 2024, for 242 Medicare patients. Medicare paid $26,243 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024255
Medicare patients242
Paid by Medicare$26,243
Procedure codes2

Glenn De Guzman compared with the California median for physician assistants, 2024

  • Glenn De Guzman
  • California median
Medicare services
255vs 20425% above
Medicare patients
242vs 1052.3 times
Part D claims
457vs 24388% above

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Glenn De Guzman'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

Glenn Michael De Guzman treated 242 Medicare patients in 2024, average age 70

CMS counts 242 Medicare patients who saw Glenn De Guzman in 2024. The largest group is 65 to 74, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 67% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Glenn De Guzman's median patient age at 35, with 60% women.

Medicare patients, 2024242
Average age70
Average risk score1.90
Also on Medicaid67%

Glenn De Guzman's Medicare patients by age, 2024

Glenn De Guzman's Medicare patients by sex, 2024

  • Women13556%
  • Men10744%

Chronic conditions among Glenn De Guzman's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis49%
  4. Diabetes49%
  5. Chronic kidney disease34%
  6. Anxiety28%
  7. Mood disorders28%
  8. Depression26%

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

Glenn 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 35

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Glenn Michael De Guzman wrote 573 Medicare Part D claims in 2024

In 2024, Glenn De Guzman wrote 573 Medicare Part D claims for 411 patients. 96% of them were for generic drugs. CMS names the drug for 457 of them, across 14 drugs with 11 or more claims each, at $3,167 in total drug cost.

Part D claims, 2024573
Drugs named by CMS14
Total drug cost$3,167
Part D patients411

Glenn De Guzman's Part D claims by kind of drug, 2024

  • Generic552 claims96%
  • Brand-name21 claims4%

Glenn De Guzman'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 Glenn De Guzman's Part D claims, 2024

  • Opioids23%130 of 573 claims
  • Antibiotics30%170 of 573 claims

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

See all prescribing by Glenn De Guzman

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

Glenn Michael De Guzman scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Glenn De Guzman for performance year 2024, reported as part of a group.

Glenn De Guzman's MIPS scores, performance year 2024

  • 97of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities
  • 78of 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

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Sources for Glenn Michael De Guzman'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
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 Glenn Michael 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 Glenn Michael De Guzman's NPI number?

Glenn Michael De Guzman's NPI number is 1265448294. It was assigned on July 31, 2006, and it is active in the NPI Registry.

What does Glenn Michael De Guzman specialize in?

Glenn Michael De Guzman is a physician assistant in Pomona, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Glenn Michael De Guzman practice?

Glenn De Guzman practices at 1798 N Garey Ave, Pomona, CA 91767. Glenn De Guzman's primary practice is Pomona Valley Hospital Medical Center in Pomona, California, part of Pomona Valley Hospital Medical Center.

What is Glenn Michael De Guzman's office phone number?

The practice phone on file for Glenn De Guzman is (909) 865-9500.

What is Glenn Michael De Guzman's medical license number?

Glenn De Guzman holds California license PA18213.

Which hospitals is Glenn Michael De Guzman affiliated with?

Glenn De Guzman practices at Pomona Valley Hospital Medical Center in Pomona, California.

What medical group is Glenn Michael De Guzman part of?

Glenn De Guzman is linked to Vituity.

Does Glenn Michael De Guzman accept Medicare?

Yes. CMS data shows Glenn De Guzman billed Medicare for 255 services in 2024.

What is Glenn Michael De Guzman's MIPS score?

Glenn De Guzman's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

How many Medicare patients does Glenn Michael De Guzman see?

CMS counts 242 Medicare patients who saw Glenn De Guzman in 2024, with an average age of 70.

Show 3 more questionsShow fewer questions

What services does Glenn Michael De Guzman bill to Medicare?

In 2024, Glenn De Guzman's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).

What drugs does Glenn Michael De Guzman prescribe most?

In 2024 Medicare Part D data, Glenn De Guzman's most prescribed drugs by claims were Cephalexin, Tramadol HCl and Naproxen.

How long has Glenn Michael De Guzman been practicing?

Glenn De Guzman's NPI was assigned in 2006.

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