Emily Guzman Hays
- Medicare services, 2024
- 49
- Medicare patients, 2024
- 51
- Part D claims, 2024
- 749
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 1800 Medical Center Dr, San Bernardino, CA 92411
- Practice phone
- Call (909) 880-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
ENT And Sinus Center
Medical specialty practice · San Bernardino, California
Find Emily Hays' 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.
Emily Guzman Hays is a physician assistant in San Bernardino, California
Emily Hays practices at ENT And Sinus Center in San Bernardino, California.
Emily Hays' NPI, 1932985314, was assigned on September 1, 2023. Emily Hays holds California license PA63286.
- NPI
- 1932985314NPI Registry (opens in a new tab)
- NPI enumeration date
- September 1, 2023
- NPI status
- Active
- Practice phone
- (909) 880-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Emily Guzman Hays practices at ENT and Sinus Center in San Bernardino, California
Emily Hays' primary practice is ENT and Sinus Center, at 1800 Medical Center Dr, San Bernardino, CA 92411. The practice phone is (909) 880-2000.
- ENT and Sinus Center1800 Medical Center Dr, San Bernardino, CA 92411Phone(909) 880-2000
Source: Dmand AI Affiliation Data
Emily Guzman Hays is affiliated with 2 sites of care and 2 medical groups
Emily Hays' primary practice is ENT And Sinus Center in San Bernardino, California. Emily Hays is also affiliated with Pomona Valley Hospital Medical Center. The medical group on file is Vituity. Dmand AI also links Emily Hays to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Emily Guzman Hays' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Emily Hays practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ENT And Sinus Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Emily Guzman Hays is one of 11,482 physician assistants in California
Physician assistant is Emily Hays' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Emily Hays is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Emily Hays
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
Emily Guzman Hays billed Medicare for 49 services in 2024
CMS data shows 49 Medicare services from Emily Hays across 2 procedure codes in 2024, for 51 Medicare patients. Medicare paid $4,455 for them. Every service was in a facility, such as a hospital, rather than an office.
Emily Hays compared with the California median for physician assistants, 2024
- Emily Hays
- California median
- Medicare services
- 49vs 20476% below
- Medicare patients
- 51vs 10551% below
- Part D claims
- 655vs 2432.7 times
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Emily Hays' 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
Emily Guzman Hays treated 51 Medicare patients in 2024, average age 68
CMS counts 51 Medicare patients who saw Emily Hays in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 63% are also on Medicaid. Their average risk score is 2.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Emily Hays' median patient age at 54, with 54% women.
Emily Hays' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Emily Hays' Medicare patients by sex, 2024
- Women3059%
- Men2141%
Chronic conditions among Emily Hays' Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Diabetes49%
- Arthritis43%
- Chronic kidney disease35%
- Ischemic heart disease31%
- Heart failure25%
- Asthma22%
Share of Medicare patients with each condition. A patient can have several.
Emily Hays' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Emily Guzman Hays wrote 749 Medicare Part D claims in 2024
In 2024, Emily Hays wrote 749 Medicare Part D claims for 233 patients. 98% of them were for generic drugs. CMS names the drug for 655 of them, across 15 drugs with 11 or more claims each, at $4,360 in total drug cost.
Emily Hays' Part D claims by kind of drug, 2024
- Generic736 claims98%
- Brand-name13 claims2%
Emily Hays' 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 Emily Hays' Part D claims, 2024
- Opioids15%110 of 749 claims
- Antibiotics25%187 of 749 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
Emily Guzman Hays 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 Emily Hays for performance year 2024, reported as part of a group.
Emily Hays' 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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Emily Guzman Hays received $834 in industry payments from 2024 to 2025
CMS Open Payments shows 37 general payments to Emily Hays from 8 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 93% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $357.
General payments to Emily Hays by program year, 2024 to 2025
General payments to Emily Hays by kind, 2024 to 2025
- Food and beverage$77893%
- Education$567%
Companies that paid Emily Hays the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Emily Guzman Hays'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 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 | 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 Emily Guzman Hays
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Emily Guzman Hays' NPI number?
Emily Guzman Hays' NPI number is 1932985314. It was assigned on September 1, 2023, and it is active in the NPI Registry.
What does Emily Guzman Hays specialize in?
Emily Guzman Hays is a physician assistant in San Bernardino, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Emily Guzman Hays practice?
Emily Hays practices at 1800 Medical Center Dr, San Bernardino, CA 92411. Emily Hays' primary practice is ENT And Sinus Center in San Bernardino, California. Dmand AI also links Emily Hays to 1 medical group.
What is Emily Guzman Hays' office phone number?
The practice phone on file for Emily Hays is (909) 880-2000.
What is Emily Guzman Hays' medical license number?
Emily Hays holds California license PA63286.
Which hospitals is Emily Guzman Hays affiliated with?
Emily Hays is affiliated with Pomona Valley Hospital Medical Center.
What medical group is Emily Guzman Hays part of?
Emily Hays is linked to Vituity. Dmand AI links Emily Hays to 1 more medical group.
Does Emily Guzman Hays accept Medicare?
Yes. CMS data shows Emily Hays billed Medicare for 49 services in 2024.
What is Emily Guzman Hays' MIPS score?
Emily Hays' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Emily Guzman Hays see?
CMS counts 51 Medicare patients who saw Emily Hays in 2024, with an average age of 68.
Show 4 more questionsShow fewer questions
What services does Emily Guzman Hays bill to Medicare?
In 2024, Emily Hays' most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
What drugs does Emily Guzman Hays prescribe most?
In 2024 Medicare Part D data, Emily Hays' most prescribed drugs by claims were Methylprednisolone, Cefdinir and Diazepam.
Has Emily Guzman Hays received payments from drug or device companies?
CMS Open Payments shows $834 in general payments to Emily Hays from 8 companies from 2024 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Emily Guzman Hays been practicing?
Emily Hays' NPI was assigned in 2023.
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