Dr. Stephen F. Lex, MD
- Medicare services, 2024
- 73
- Medicare patients, 2024
- 91
- Part D claims, 2024
- 102
- Hospital affiliations
- 1
- Industry payments
- $1,663
- 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. Lex'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. Stephen F. Lex is a plastic surgeon in Flagstaff, Arizona
Dr. Lex practices at Flagstaff Medical Center in Flagstaff, Arizona, part of Northern Arizona Healthcare.
Dr. Lex's NPI, 1215930599, was assigned on May 31, 2005. Dr. Lex graduated from Louisiana State University School of Medicine in New Orleans in 1982. Dr. Lex holds Arizona license 17751.
- NPI
- 1215930599NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436240447
- NPI enumeration date
- May 31, 2005
- 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
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen F. Lex practices at Flagstaff Medical Center in Flagstaff, Arizona
Dr. Lex'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. Stephen F. Lex is affiliated with 2 sites of care and 1 medical group
Dr. Lex's primary practice is Flagstaff Medical Center in Flagstaff, Arizona, part of Northern Arizona Healthcare. The medical group on file is Plastic Surgeons of Northern Arizona. Dmand AI also links Dr. Lex to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen F. Lex's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lex 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
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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. Stephen F. Lex is one of 126 plastic surgeons in Arizona
Plastic surgery is Dr. Lex's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Lex is licensed in Arizona.
Specialties and state licenses
- Plastic surgery, ArizonaPrimary
Plastic surgeons near Dr. Lex
Counts of plastic surgeons 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. Stephen F. Lex billed Medicare for 73 services in 2024
CMS data shows 73 Medicare services from Dr. Lex across 3 procedure codes in 2024, all of them office visits, for 91 Medicare patients. Medicare paid $6,562 for them. Every service was in an office.
Dr. Lex's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 912024: 7320%
Dr. Lex compared with the Arizona median for plastic surgeons, 2024
- Dr. Lex
- Arizona median
- Medicare services
- 73vs 786% below
- Medicare patients
- 91vs 6344% above
- Part D claims
- 86vs 332.6 times
Medians across 106 plastic surgeons in Arizona with Dmand AI profiles that report each measure.
Dr. Lex'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. Stephen F. Lex treated 91 Medicare patients in 2024, average age 74
CMS counts 91 Medicare patients who saw Dr. Lex in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 64% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lex's median patient age at 69, with 57% women.
Dr. Lex's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lex's Medicare patients by sex, 2024
- Women6066%
- Men3134%
Chronic conditions among Dr. Lex's Medicare patients, 2024
- High blood pressure75%
- High cholesterol64%
- Arthritis47%
- Diabetes32%
- Anxiety21%
- Ischemic heart disease20%
- Osteoporosis20%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lex'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
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen F. Lex wrote 102 Medicare Part D claims in 2024
In 2024, Dr. Lex wrote 102 Medicare Part D claims for 50 patients. 100% of them were for generic drugs. CMS names the drug for 86 of them, across 2 drugs with 11 or more claims each, at $281 in total drug cost. In 2023, CMS named 77 claims across 2 drugs.
Dr. Lex'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. Lex's Part D claims, 2024
- Opioids44%45 of 102 claims
- Antibiotics51%52 of 102 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: 772024: 8612%
Drugs named by CMS: 2 in 2024, 2 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
How Dr. Stephen F. Lex takes part in Medicare
Dr. Lex accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stephen F. Lex received $1,663 in industry payments from 2016 to 2025
CMS Open Payments shows 57 general payments to Dr. Lex from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Mentor Worldwide LLC paid the most, $657.
General payments to Dr. Lex by program year, 2016 to 2025
Companies that paid Dr. Lex the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen F. Lex graduated from Louisiana State University School of Medicine in New Orleans
Dr. Lex graduated from Louisiana State University School of Medicine in New Orleans in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen F. Lex'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)Doctors and Clinicians Utilization Data (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. Stephen F. Lex
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. Stephen F. Lex's NPI number?
Dr. Stephen F. Lex's NPI number is 1215930599. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen F. Lex?
Dr. Stephen F. Lex is a plastic surgeon in Flagstaff, Arizona. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Stephen F. Lex practice?
Dr. Lex practices at 1200 North Beaver Street, Flagstaff, AZ 86001. Dr. Lex's primary practice is Flagstaff Medical Center in Flagstaff, Arizona, part of Northern Arizona Healthcare. Dmand AI also links Dr. Lex to 1 group practice or clinic.
What is Dr. Stephen F. Lex's office phone number?
The practice phone on file for Dr. Lex is (928) 779-3366.
What is Dr. Stephen F. Lex's medical license number?
Dr. Lex holds Arizona license 17751.
Which hospitals is Dr. Stephen F. Lex affiliated with?
Dr. Lex practices at Flagstaff Medical Center in Flagstaff, Arizona.
What medical group is Dr. Stephen F. Lex part of?
Dr. Lex is linked to Plastic Surgeons of Northern Arizona.
Does Dr. Stephen F. Lex accept Medicare?
Yes. CMS data shows Dr. Lex billed Medicare for 73 services in 2024, and Dr. Lex accepts Medicare assignment.
How many Medicare patients does Dr. Stephen F. Lex see?
CMS counts 91 Medicare patients who saw Dr. Lex in 2024, with an average age of 74.
What services does Dr. Stephen F. Lex bill to Medicare?
In 2024, Dr. Lex's most billed Medicare services were office visit, new patient (99204), office visit, new patient (99203) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Stephen F. Lex go to medical school?
Dr. Lex graduated from Louisiana State University School of Medicine in New Orleans in 1982.
What drugs does Dr. Stephen F. Lex prescribe most?
In 2024 Medicare Part D data, Dr. Lex's most prescribed drugs by claims were Cephalexin and Acetaminophen-Codeine.
Has Dr. Stephen F. Lex received payments from drug or device companies?
CMS Open Payments shows $1,663 in general payments to Dr. Lex from 17 companies from 2016 to 2025. The largest total came from Mentor Worldwide LLC.
How long has Dr. Stephen F. Lex been practicing?
Dr. Lex graduated from medical school in 1982, 44 years ago.
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