Shayli Nicole Merlo

  • Modesto, CA
  • Internist
NPI1619342854
Medicare services, 2024
1,223
Medicare patients, 2024
520
Part D claims, 2024
6,956
MIPS score, 2024
96
Hospital affiliations
1
Practice address
1441 Florida Avenue, Modesto, CA 95350
Practice phone
Call (209) 578-1211
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Doctors Medical Center Modesto

Hospital · Modesto, California

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Shayli Nicole Merlo is an internist in Modesto, California

Shayli Merlo practices at Doctors Medical Center Modesto in Modesto, California, part of Tenet Healthcare.

Shayli Merlo's NPI, 1619342854, was assigned on December 13, 2015. Shayli Merlo graduated from Feinberg School of Medicine in 2019. Shayli Merlo holds California license A179245.

NPI and contact details
NPI enumeration date
December 13, 2015
NPI status
Active
Practice phone
(209) 578-1211
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
33
Medical school graduation
2019

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

Shayli Nicole Merlo practices at Doctors Medical Center Modesto in Modesto, California

Shayli Merlo's primary practice is Doctors Medical Center Modesto, at 1441 Florida Avenue, Modesto, CA 95350 in Stanislaus County. The practice phone is (209) 578-1211.

Source: Dmand AI Affiliation Data

Shayli Nicole Merlo is affiliated with 2 sites of care

Shayli Merlo's primary practice is Doctors Medical Center Modesto in Modesto, California, part of Tenet Healthcare. Dmand AI also links Shayli Merlo to 1 physician office, named with a free account.

See all 2 affiliations for Shayli Merlo

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

Dmand AI tracks the EHR system at Shayli Nicole Merlo's practice

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

EHR by site
SiteEHR vendor and product
Doctors Medical Center ModestoAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Tenet Healthcare and 6.2K+ hospitals, with verified contacts in the same login.

Shayli Nicole Merlo is one of 16,751 internists in California

Internal medicine is Shayli Merlo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Shayli Merlo is board certified in internal medicine by the American Board of Internal Medicine. Shayli Merlo is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A179245 · 2022 to 2026 · taxonomy 207R00000X

Internists near Shayli Merlo

Counts of internists 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

Shayli Nicole Merlo billed Medicare for 1,223 services in 2024

CMS data shows 1,223 Medicare services from Shayli Merlo across 12 procedure codes in 2024, for 520 Medicare patients. Medicare paid $105,756 for them. Every service was in an office.

Medicare services, 20241,223
Medicare patients520
Paid by Medicare$105,756
Procedure codes12

Shayli Merlo's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 8012024: 89211%
Other services
2023: 2762024: 2596%
Tests and treatments
2023: 552024: 585%
Surgery
2023: 02024: 14

Shayli Merlo compared with the California median for internists, 2024

  • Shayli Merlo
  • California median
Medicare services
1,223vs 3613.4 times
Medicare patients
520vs 1513.4 times
Part D claims
6,219vs 42114.8 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Shayli Merlo'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.

See all procedures by Shayli Merlo

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Shayli Nicole Merlo treated 520 Medicare patients in 2024, average age 75

CMS counts 520 Medicare patients who saw Shayli Merlo in 2024. The largest group is 65 to 74, with 245 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Shayli Merlo's median patient age at 68, with 58% women.

Medicare patients, 2024520
Average age75
Average risk score0.88
Also on Medicaid5%

Shayli Merlo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Shayli Merlo's Medicare patients by sex, 2024

  • Women29957%
  • Men22143%

Chronic conditions among Shayli Merlo's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis40%
  4. Ischemic heart disease34%
  5. Anxiety20%
  6. Diabetes18%
  7. Cancer16%
  8. Chronic kidney disease16%

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

Shayli Merlo's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women58%
  • Men41%

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

Shayli Nicole Merlo wrote 6,956 Medicare Part D claims in 2024

In 2024, Shayli Merlo wrote 6,956 Medicare Part D claims for 694 patients. 89% of them were for generic drugs. CMS names the drug for 6,219 of them, across 104 drugs with 11 or more claims each, at $476,988 in total drug cost. In 2023, CMS named 3,171 claims across 71 drugs.

Part D claims, 20246,956
Drugs named by CMS104
Total drug cost$476,988
Part D patients694

Shayli Merlo's Part D claims by kind of drug, 2024

  • Generic6,184 claims89%
  • Brand-name757 claims11%
  • Other15 claims0%

Shayli Merlo'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 Shayli Merlo's Part D claims, 2024

  • Opioids1%38 of 6,956 claims
  • Antibiotics1%84 of 6,956 claims
  • Antipsychotics, patients 65 and over0%12 of 6,956 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,1712024: 6,21996%

Drugs named by CMS: 104 in 2024, 71 in 2023.

See all prescribing by Shayli Merlo

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

Shayli Nicole Merlo scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Shayli Merlo for performance year 2024, reported through an alternative payment model (APM).

Shayli Merlo's MIPS scores, performance year 2024

  • 96of 100Final score
  • 81.5of 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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Shayli Nicole Merlo received $256 in industry payments in 2025

CMS Open Payments shows 3 general payments to Shayli Merlo from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $133.

Companies that paid Shayli Merlo the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Shayli Merlo

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Shayli Nicole Merlo graduated from Feinberg School of Medicine

Shayli Merlo graduated from Feinberg School of Medicine in 2019.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Shayli Nicole Merlo accepts plans from 14 insurance carriers

Shayli Merlo is in network with 14 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Shayli Merlo accepts, by number of carriers

  1. PPO9
  2. Medicare7
  3. HMO6
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Shayli Nicole Merlo'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 Shayli Nicole Merlo

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

What is Shayli Nicole Merlo's NPI number?

Shayli Nicole Merlo's NPI number is 1619342854. It was assigned on December 13, 2015, and it is active in the NPI Registry.

What does Shayli Nicole Merlo specialize in?

Shayli Nicole Merlo is an internist in Modesto, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Shayli Nicole Merlo practice?

Shayli Merlo practices at 1441 Florida Avenue, Modesto, CA 95350. Shayli Merlo's primary practice is Doctors Medical Center Modesto in Modesto, California, part of Tenet Healthcare. Dmand AI also links Shayli Merlo to 1 physician office.

What is Shayli Nicole Merlo's office phone number?

The practice phone on file for Shayli Merlo is (209) 578-1211.

What is Shayli Nicole Merlo's medical license number?

Shayli Merlo holds California license A179245.

Which hospitals is Shayli Nicole Merlo affiliated with?

Shayli Merlo practices at Doctors Medical Center Modesto in Modesto, California.

Does Shayli Nicole Merlo accept Medicare?

Yes. CMS data shows Shayli Merlo billed Medicare for 1,223 services in 2024.

What is Shayli Nicole Merlo's MIPS score?

Shayli Merlo's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Shayli Nicole Merlo see?

CMS counts 520 Medicare patients who saw Shayli Merlo in 2024, with an average age of 75.

Is Shayli Nicole Merlo board certified?

Yes. Shayli Merlo is board certified in internal medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Shayli Nicole Merlo bill to Medicare?

In 2024, Shayli Merlo's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).

Where did Shayli Nicole Merlo go to medical school?

Shayli Merlo graduated from Feinberg School of Medicine in 2019.

What drugs does Shayli Nicole Merlo prescribe most?

In 2024 Medicare Part D data, Shayli Merlo's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has Shayli Nicole Merlo received payments from drug or device companies?

CMS Open Payments shows $256 in general payments to Shayli Merlo from 2 companies from 2025 to 2025. The largest total came from Amgen Inc.

How long has Shayli Nicole Merlo been practicing?

Shayli Merlo graduated from medical school in 2019, 7 years ago.

What insurance does Shayli Nicole Merlo accept?

Shayli Merlo is in network with 14 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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