Dr. Daniel Merrill, DO
- Medicare services, 2024
- 781
- Medicare patients, 2026
- 296
- Part D claims, 2026
- 397
- MIPS score, 2026
- 82
- Hospital affiliations
- 1
- Practice address
- 1200 North Beaver Street, Flagstaff, AZ 86001
- Practice phone
- Call (928) 779-3366
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Merrill'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.
Dr. Daniel Merrill is a pediatrician in Flagstaff, Arizona
Dr. Merrill practices at Flagstaff Medical Center in Flagstaff, Arizona, part of Northern Arizona Healthcare.
Dr. Merrill's NPI, 1467914291, was assigned on April 1, 2019. Dr. Merrill graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2019. Dr. Merrill's California license number on file is 20A22063.
- NPI
- 1467914291NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557696465
- NPI enumeration date
- April 1, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (928) 779-3366
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Merrill practices at Flagstaff Medical Center in Flagstaff, Arizona
Dr. Merrill's primary practice is Flagstaff Medical Center, at 1200 North Beaver Street, Flagstaff, AZ 86001 in Coconino County. The practice phone is (928) 779-3366.
- Flagstaff Medical Center1200 North Beaver Street, Flagstaff, AZ 86001 · Coconino CountyPhone(928) 779-3366
Source: Dmand AI Affiliation Data
Dr. Daniel Merrill is affiliated with 1 site of care and 2 medical groups
Dr. Merrill's primary practice is Flagstaff Medical Center in Flagstaff, Arizona, part of Northern Arizona Healthcare. The medical group on file is Northern Arizona Healthcare. Dmand AI also links Dr. Merrill to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel Merrill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merrill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Flagstaff Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel Merrill is one of 1,000 pediatricians in Arizona
Pediatrics is Dr. Merrill's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Merrill is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Merrill's licenses on file in 4 states: California, Arizona, Kansas and Missouri.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
- Hospitalist, Arizona
- Internal medicine, Kansas
- Missouri license
Clinical focus
Dmand AI lists cardiac arrhythmia and stroke among the conditions Dr. Merrill treats.
Pediatricians near Dr. Merrill
Counts of pediatricians 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
Dr. Daniel Merrill billed Medicare for 781 services in 2024
CMS data shows 781 Medicare services from Dr. Merrill across 5 procedure codes in 2024, for 296 Medicare patients. Medicare paid $64,227 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Merrill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1762024: 781344%
Dr. Merrill compared with the Arizona median for pediatricians, 2024
- Dr. Merrill
- Arizona median
- Medicare services
- 781vs 908.7 times
- Medicare patients
- 296vs 368.2 times
- Part D claims
- 158vs 1312.2 times
Medians across 124 pediatricians in Arizona with Dmand AI profiles that report each measure.
Dr. Merrill'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
Dr. Daniel Merrill treated 296 Medicare patients in 2026, average age 76
CMS counts 296 Medicare patients who saw Dr. Merrill in 2026. The largest group is 75 to 84, with 113 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Merrill's median patient age at 61, with 44% women.
Dr. Merrill's Medicare patients by age, 2026
Dr. Merrill's Medicare patients by sex, 2026
- Women15352%
- Men14348%
Chronic conditions among Dr. Merrill's Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes43%
- Chronic kidney disease40%
- Ischemic heart disease37%
- Mood disorders31%
- Atrial fibrillation30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merrill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. Daniel Merrill wrote 397 Medicare Part D claims in 2026
In 2026, Dr. Merrill wrote 397 Medicare Part D claims for 157 patients. 83% of them were for generic drugs. CMS names the drug for 158 of them, across 11 drugs with 11 or more claims each, at $974 in total drug cost. In 2023, CMS named 68 claims across 5 drugs.
Dr. Merrill's Part D claims by kind of drug, 2026
- Generic331 claims83%
- Brand-name and other66 claims17%
Dr. Merrill'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 Dr. Merrill's Part D claims, 2026
- Opioids13%51 of 397 claims
- Antibiotics18%70 of 397 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: 682024: 158132%
Drugs named by CMS: 11 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
Dr. Daniel Merrill scored 82 out of 100 in Medicare's MIPS program for 2026
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Merrill for performance year 2026, reported as part of a group. Dr. Merrill accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Merrill's MIPS scores, performance year 2026
- 82of 100Final score
- 66.8of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
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), 2026 data
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Dr. Daniel Merrill graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine
Dr. Merrill graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2019.
- Medical school
- Board certified in internal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Daniel Merrill accepts plans from 5 insurance carriers
Dr. Merrill is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Arizona. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Arizona
- CMS Medicare
- Elevance
Plan types Dr. Merrill accepts, by number of carriers
- PPO3
- HMO2
- Medicare2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel Merrill'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 DataDmand AI Org Hierarchy 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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 Dr. Daniel Merrill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Daniel Merrill's NPI number?
Dr. Daniel Merrill's NPI number is 1467914291. It was assigned on April 1, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Merrill?
Dr. Daniel Merrill is a pediatrician in Flagstaff, Arizona. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Daniel Merrill practice?
Dr. Merrill practices at 1200 North Beaver Street, Flagstaff, AZ 86001. Dr. Merrill's primary practice is Flagstaff Medical Center in Flagstaff, Arizona, part of Northern Arizona Healthcare. Dmand AI also links Dr. Merrill to 1 medical group, and a free account names each one.
What is Dr. Daniel Merrill's office phone number?
The practice phone on file for Dr. Merrill is (928) 779-3366. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Daniel Merrill's email address?
Dmand AI checks professional and personal email addresses for Dr. Merrill through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Daniel Merrill's medical license number?
Dr. Merrill's California license number on file is 20A22063, one of the licenses on file in 4 states.
Which states has Dr. Daniel Merrill been licensed in?
Dmand AI has state licenses on file for Dr. Merrill in California (2023 to 2025), Arizona (2023 to 2026), Kansas (2019 to 2023) and Missouri (2019 to 2023).
Which hospitals is Dr. Daniel Merrill affiliated with?
Dr. Merrill practices at Flagstaff Medical Center in Flagstaff, Arizona.
What medical group is Dr. Daniel Merrill part of?
Dr. Merrill is linked to Northern Arizona Healthcare. Dmand AI links Dr. Merrill to 1 more medical group, named with a free account.
Who does Dr. Daniel Merrill practice with?
Dmand AI links 470 HCPs to Dr. Merrill's primary medical group, 3 of them pediatricians. A free account lists them, with verified contacts.
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Does Dr. Daniel Merrill accept Medicare?
Yes. CMS data shows Dr. Merrill billed Medicare for 781 services in 2024, and Dr. Merrill accepts Medicare assignment.
What is Dr. Daniel Merrill's MIPS score?
Dr. Merrill's MIPS final score for performance year 2026 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Daniel Merrill see?
CMS counts 296 Medicare patients who saw Dr. Merrill in 2026, with an average age of 76.
Is Dr. Daniel Merrill board certified?
Yes. Dr. Merrill is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Daniel Merrill bill to Medicare?
In 2024, Dr. Merrill's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Daniel Merrill go to medical school?
Dr. Merrill graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2019.
What drugs does Dr. Daniel Merrill prescribe most?
In 2024 Medicare Part D data, Dr. Merrill's most prescribed drugs by claims were Oxycodone HCl, Furosemide and Prednisone.
How long has Dr. Daniel Merrill been practicing?
Dr. Merrill graduated from medical school in 2019, 7 years ago.
What EHR does Dr. Daniel Merrill's practice use?
Dmand AI tracks the EHR system at Flagstaff Medical Center and at 1 medical group. The vendor and product are available with a free Dmand AI account.
What insurance does Dr. Daniel Merrill accept?
Dr. Merrill is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Arizona. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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