Ayala Leiser, PA

  • Paramus, NJ
  • Physician assistant
NPI1457973877PAC ID5991196172
Medicare services, 2024
635
Medicare patients, 2024
319
Part D claims, 2024
309
MIPS score, 2024
95
Hospital affiliations
1
Practice address
15 Essex Rd, Paramus, NJ 07652
Practice phone
Call (201) 291-6086
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Valley Physician Services

Paramus, New Jersey

See all 4 affiliations

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Ayala Leiser is a physician assistant in Paramus, New Jersey

Ayala Leiser practices at Valley Physician Services in Paramus, New Jersey.

Ayala Leiser's NPI, 1457973877, was assigned on May 7, 2020.

NPI and contact details
Medicare PAC ID
5991196172
NPI enumeration date
May 7, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(201) 291-6086
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Ayala Leiser practices at Valley Physician Services in Paramus, New Jersey

Ayala Leiser's primary practice is Valley Physician Services, at 15 Essex Rd, Paramus, NJ 07652 in Bergen County. The practice phone is (201) 291-6086.

  • Valley Physician Services
    15 Essex Rd, Paramus, NJ 07652 · Bergen CountyPhone(201) 291-6086

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Ayala Leiser is affiliated with 3 sites of care and 1 medical group

Ayala Leiser's primary practice is Valley Physician Services in Paramus, New Jersey. Ayala Leiser is also affiliated with The Valley Hospital. The medical group on file is Valley Medical Group. Dmand AI also links Ayala Leiser to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Ayala Leiser

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Ayala Leiser's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ayala Leiser practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Valley Physician ServicesAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Ayala Leiser is one of 2,975 physician assistants in New Jersey

Physician assistant is Ayala Leiser's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Clinical focus

Dmand AI lists acute skin infection, conjunctivitis, contact dermatitis, ear infection, insomnia, itchy rashes, minor injury to a limb and muscle pain, fibromyalgia, and limb pain among the conditions Ayala Leiser treats.

Physician assistants near Ayala Leiser

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

Ayala Leiser billed Medicare for 635 services in 2024

CMS data shows 635 Medicare services from Ayala Leiser across 10 procedure codes in 2024, for 319 Medicare patients. Medicare paid $40,394 for them. Every service was in an office.

Medicare services, 2024635
Medicare patients319
Paid by Medicare$40,394
Procedure codes10

Ayala Leiser's Medicare services by type, 2024

  1. Office and hospital visits307
  2. Lab and pathology128
  3. Other services91
  4. Tests and treatments52
  5. Imaging30
  6. Surgery27

Ayala Leiser compared with the New Jersey median for physician assistants, 2024

  • Ayala Leiser
  • New Jersey median
Medicare services
635vs 2782.3 times
Medicare patients
319vs 1122.8 times
Part D claims
201vs 204Close to median

Medians across 1,811 physician assistants in New Jersey with Dmand AI profiles that report each measure.

Ayala Leiser'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

Ayala Leiser treated 319 Medicare patients in 2024, average age 76

CMS counts 319 Medicare patients who saw Ayala Leiser in 2024. The largest group is 65 to 74, with 144 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Ayala Leiser's median patient age at 58, with 57% women.

Medicare patients, 2024319
Average age76
Average risk score1.18

Ayala Leiser's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Ayala Leiser's Medicare patients by sex, 2024

  • Women19762%
  • Men12238%

Chronic conditions among Ayala Leiser's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis49%
  4. Ischemic heart disease33%
  5. Osteoporosis27%
  6. Anxiety26%
  7. Cancer22%
  8. Diabetes22%

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

Ayala Leiser's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women57%
  • Men41%

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

Ayala Leiser wrote 309 Medicare Part D claims in 2024

In 2024, Ayala Leiser wrote 309 Medicare Part D claims for 221 patients. 92% of them were for generic drugs. CMS names the drug for 201 of them, across 9 drugs with 11 or more claims each, at $1,893 in total drug cost.

Part D claims, 2024309
Drugs named by CMS9
Total drug cost$1,893
Part D patients221

Ayala Leiser's Part D claims by kind of drug, 2024

  • Generic284 claims92%
  • Brand-name25 claims8%

Ayala Leiser'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 Ayala Leiser's Part D claims, 2024

  • Antibiotics47%146 of 309 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 Ayala Leiser

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

Ayala Leiser scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Ayala Leiser for performance year 2024, reported through an alternative payment model (APM). Ayala Leiser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Ayala Leiser's MIPS scores, performance year 2024

  • 95of 100Final score
  • 85.7of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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 Ayala Leiser'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 percentilesDoctors 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 siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Ayala Leiser

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Ayala Leiser's NPI number?

Ayala Leiser's NPI number is 1457973877. It was assigned on May 7, 2020, and it is active in the NPI Registry.

What does Ayala Leiser specialize in?

Ayala Leiser is a physician assistant in Paramus, New Jersey. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Ayala Leiser practice?

Ayala Leiser practices at 15 Essex Rd, Paramus, NJ 07652. Ayala Leiser's primary practice is Valley Physician Services in Paramus, New Jersey. Dmand AI also links Ayala Leiser to 1 group practice or clinic.

What is Ayala Leiser's office phone number?

The practice phone on file for Ayala Leiser is (201) 291-6086.

Which hospitals is Ayala Leiser affiliated with?

Ayala Leiser is affiliated with The Valley Hospital.

What medical group is Ayala Leiser part of?

Ayala Leiser is linked to Valley Medical Group.

Does Ayala Leiser accept Medicare?

Yes. CMS data shows Ayala Leiser billed Medicare for 635 services in 2024, and Ayala Leiser accepts Medicare assignment.

What is Ayala Leiser's MIPS score?

Ayala Leiser's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Ayala Leiser see?

CMS counts 319 Medicare patients who saw Ayala Leiser in 2024, with an average age of 76.

What services does Ayala Leiser bill to Medicare?

In 2024, Ayala Leiser's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medical service (0241U).

What drugs does Ayala Leiser prescribe most?

In 2024 Medicare Part D data, Ayala Leiser's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Doxycycline Hyclate and Mupirocin.

How long has Ayala Leiser been practicing?

Ayala Leiser graduated from medical school in 2020, 6 years ago.

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