Dr. Nathan Lawrence Whitfield, MD, PhD
- Medicare services, 2024
- 399
- Medicare patients, 2024
- 335
- Part D claims, 2024
- 181
- MIPS score, 2024
- 76
- Hospital affiliations
- 2
- 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. Whitfield'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. Nathan Lawrence Whitfield is an emergency medicine physician in Flagstaff, Arizona
Dr. Whitfield practices at Flagstaff Medical Center in Flagstaff, Arizona, part of Northern Arizona Healthcare.
Dr. Whitfield's NPI, 1023308665, was assigned on April 17, 2011. Dr. Whitfield graduated from Indiana University School of Medicine in 2011. Dr. Whitfield holds Arizona license 49409.
- NPI
- 1023308665NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355567025
- NPI enumeration date
- April 17, 2011
- 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
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Lawrence Whitfield practices at Flagstaff Medical Center in Flagstaff, Arizona
Dr. Whitfield'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. Nathan Lawrence Whitfield is affiliated with 2 sites of care and 1 medical group
Dr. Whitfield's primary practice is Flagstaff Medical Center in Flagstaff, Arizona, part of Northern Arizona Healthcare. Dr. Whitfield is also affiliated with Verde Valley Medical Center. The medical group on file is Flagstaff Emergency Physicians.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan Lawrence Whitfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Whitfield practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Flagstaff Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northern Arizona Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nathan Lawrence Whitfield is one of 1,360 emergency medicine physicians in Arizona
Emergency medicine is Dr. Whitfield's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Whitfield is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Whitfield is licensed in Arizona.
Specialties and state licenses
- Emergency medicine, ArizonaPrimary
Emergency medicine physicians near Dr. Whitfield
Counts of emergency medicine physicians 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. Nathan Lawrence Whitfield billed Medicare for 399 services in 2024
CMS data shows 399 Medicare services from Dr. Whitfield across 5 procedure codes in 2024, for 335 Medicare patients. Medicare paid $38,827 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Whitfield's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3352024: 3292%
- Tests and treatments
- 2023: 822024: 7015%
Dr. Whitfield compared with the Arizona median for emergency medicine physicians, 2024
- Dr. Whitfield
- Arizona median
- Medicare services
- 399vs 21685% above
- Medicare patients
- 335vs 21060% above
- Part D claims
- 43vs 5014% below
Medians across 1,326 emergency medicine physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Whitfield'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.
Need commercial claims for Dr. Whitfield?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Whitfield and other emergency medicine physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan Lawrence Whitfield treated 335 Medicare patients in 2024, average age 74
CMS counts 335 Medicare patients who saw Dr. Whitfield in 2024. The largest group is 65 to 74, with 131 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.66, 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. Whitfield's median patient age at 69, with 55% women.
Dr. Whitfield's Medicare patients by age, 2024
Dr. Whitfield's Medicare patients by sex, 2024
- Women19358%
- Men14242%
Chronic conditions among Dr. Whitfield's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis50%
- Mood disorders34%
- Anxiety33%
- Depression33%
- Ischemic heart disease31%
- Diabetes30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Whitfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan Lawrence Whitfield wrote 181 Medicare Part D claims in 2024
In 2024, Dr. Whitfield wrote 181 Medicare Part D claims for 125 patients. 90% of them were for generic drugs. CMS names the drug for 43 of them, across 2 drugs with 11 or more claims each, at $416 in total drug cost. In 2023, CMS named 52 claims across 3 drugs.
Dr. Whitfield's Part D claims by kind of drug, 2024
- Generic162 claims90%
- Brand-name19 claims10%
Dr. Whitfield'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. Whitfield's Part D claims, 2024
- Opioids7%12 of 181 claims
- Antibiotics30%54 of 181 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: 522024: 4317%
Drugs named by CMS: 2 in 2024, 3 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), 2024 data
Dr. Nathan Lawrence Whitfield scored 76 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Whitfield for performance year 2024, reported as part of a group. Dr. Whitfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Whitfield's MIPS scores, performance year 2024
- 76of 100Final score
- 70.6of 100Quality
- 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Nathan Lawrence Whitfield received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Whitfield from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $17.
Companies that paid Dr. Whitfield the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan Lawrence Whitfield graduated from Indiana University School of Medicine
Dr. Whitfield graduated from Indiana University School of Medicine in 2011.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan Lawrence Whitfield'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Nathan Lawrence Whitfield
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. Nathan Lawrence Whitfield's NPI number?
Dr. Nathan Lawrence Whitfield's NPI number is 1023308665. It was assigned on April 17, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Lawrence Whitfield?
Dr. Nathan Lawrence Whitfield is an emergency medicine physician in Flagstaff, Arizona. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Nathan Lawrence Whitfield practice?
Dr. Whitfield practices at 1200 North Beaver Street, Flagstaff, AZ 86001. Dr. Whitfield's primary practice is Flagstaff Medical Center in Flagstaff, Arizona, part of Northern Arizona Healthcare.
What is Dr. Nathan Lawrence Whitfield's office phone number?
The practice phone on file for Dr. Whitfield is (928) 779-3366.
What is Dr. Nathan Lawrence Whitfield's medical license number?
Dr. Whitfield holds Arizona license 49409.
Which hospitals is Dr. Nathan Lawrence Whitfield affiliated with?
Dr. Whitfield practices at Flagstaff Medical Center in Flagstaff, Arizona. Dr. Whitfield is also affiliated with Verde Valley Medical Center.
What medical group is Dr. Nathan Lawrence Whitfield part of?
Dr. Whitfield is linked to Flagstaff Emergency Physicians.
Does Dr. Nathan Lawrence Whitfield accept Medicare?
Yes. CMS data shows Dr. Whitfield billed Medicare for 399 services in 2024, and Dr. Whitfield accepts Medicare assignment.
What is Dr. Nathan Lawrence Whitfield's MIPS score?
Dr. Whitfield's MIPS final score for performance year 2024 is 76 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nathan Lawrence Whitfield see?
CMS counts 335 Medicare patients who saw Dr. Whitfield in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
Is Dr. Nathan Lawrence Whitfield board certified?
Yes. Dr. Whitfield is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Nathan Lawrence Whitfield bill to Medicare?
In 2024, Dr. Whitfield's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
Where did Dr. Nathan Lawrence Whitfield go to medical school?
Dr. Whitfield graduated from Indiana University School of Medicine in 2011.
What drugs does Dr. Nathan Lawrence Whitfield prescribe most?
In 2024 Medicare Part D data, Dr. Whitfield's most prescribed drugs by claims were Cephalexin and Ondansetron ODT.
Has Dr. Nathan Lawrence Whitfield received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Whitfield from 1 company from 2025 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Nathan Lawrence Whitfield been practicing?
Dr. Whitfield graduated from medical school in 2011, 15 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians in Arizona by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card