Ashley E. Stemley, PA-C
- Medicare services, 2024
- 1,264
- Medicare patients, 2024
- 254
- Part D claims, 2024
- 1,712
- Hospital affiliations
- 1
- Industry payments
- $4,221
- Practice address
- 1666 N Waterman Ave, San Bernardino, CA 92404
- Practice phone
- Call (951) 734-8989
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pacific Dermatology Institute
San Bernardino, California
Find Ashley Stemley'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.
Ashley E. Stemley is a physician assistant in San Bernardino, California
Ashley Stemley practices at Pacific Dermatology Institute in San Bernardino, California.
Ashley Stemley's NPI, 1942582739, was assigned on September 16, 2011. Ashley Stemley holds California license PA21822.
- NPI
- 1942582739NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426221458
- NPI enumeration date
- September 16, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 734-8989
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Ashley E. Stemley practices at Pacific Dermatology Institute in San Bernardino, California
Ashley Stemley's primary practice is Pacific Dermatology Institute, at 1666 N Waterman Ave, San Bernardino, CA 92404 in San Bernardino County. The practice phone is (951) 734-8989.
- Pacific Dermatology Institute1666 N Waterman Ave, San Bernardino, CA 92404 · San Bernardino CountyPhone(951) 734-8989
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ashley E. Stemley is affiliated with 3 sites of care and 3 medical groups
Ashley Stemley's primary practice is Pacific Dermatology Institute in San Bernardino, California. Ashley Stemley is also affiliated with Redlands Community Hospital. The medical group on file is Pacific Dermatology Institute. Dmand AI also links Ashley Stemley to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ashley E. Stemley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ashley Stemley practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pacific Dermatology Institute | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Ashley E. Stemley is one of 2,381 physician assistants in California
Medical is Ashley Stemley's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Ashley Stemley is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Physician assistants near Ashley Stemley
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
Ashley E. Stemley billed Medicare for 1,264 services in 2024
CMS data shows 1,264 Medicare services from Ashley Stemley across 13 procedure codes in 2024, for 254 Medicare patients. Medicare paid $53,070 for them. Every service was in an office.
Ashley Stemley's Medicare services by type, 2024
- Surgery887
- Office and hospital visits377
Ashley Stemley compared with the California median for physician assistants, 2024
- Ashley Stemley
- California median
- Medicare services
- 1,264vs 2784.5 times
- Medicare patients
- 254vs 1162.2 times
- Part D claims
- 1,560vs 4403.5 times
Medians across 1,473 physician assistants in California with Dmand AI profiles that report each measure.
Ashley Stemley'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
Ashley E. Stemley treated 254 Medicare patients in 2024, average age 72
CMS counts 254 Medicare patients who saw Ashley Stemley in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 48% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ashley Stemley's median patient age at 57, with 65% women.
Ashley Stemley's Medicare patients by age, 2024
Ashley Stemley's Medicare patients by sex, 2024
- Women14256%
- Men11244%
Chronic conditions among Ashley Stemley's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis48%
- Diabetes39%
- Chronic kidney disease27%
- Mood disorders24%
- Anxiety22%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Ashley Stemley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ashley E. Stemley wrote 1,712 Medicare Part D claims in 2024
In 2024, Ashley Stemley wrote 1,712 Medicare Part D claims for 490 patients. 86% of them were for generic drugs. CMS names the drug for 1,560 of them, across 26 drugs with 11 or more claims each, at $975,496 in total drug cost.
Ashley Stemley's Part D claims by kind of drug, 2024
- Generic1,478 claims86%
- Brand-name234 claims14%
Ashley Stemley'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 Ashley Stemley's Part D claims, 2024
- Antibiotics11%190 of 1,712 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 Ashley E. Stemley takes part in Medicare
Ashley Stemley accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Ashley E. Stemley received $4,221 in industry payments from 2024 to 2025
CMS Open Payments shows 165 general payments to Ashley Stemley from 16 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $1,324.
General payments to Ashley Stemley by program year, 2024 to 2025
Companies that paid Ashley Stemley the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Ashley E. Stemley'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Ashley E. Stemley
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ashley E. Stemley's NPI number?
Ashley E. Stemley's NPI number is 1942582739. It was assigned on September 16, 2011, and it is active in the NPI Registry.
What does Ashley E. Stemley specialize in?
Ashley E. Stemley is a physician assistant in San Bernardino, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Ashley E. Stemley practice?
Ashley Stemley practices at 1666 N Waterman Ave, San Bernardino, CA 92404. Ashley Stemley's primary practice is Pacific Dermatology Institute in San Bernardino, California. Dmand AI also links Ashley Stemley to 2 medical groups and 1 group practice or clinic.
What is Ashley E. Stemley's office phone number?
The practice phone on file for Ashley Stemley is (951) 734-8989.
What is Ashley E. Stemley's medical license number?
Ashley Stemley holds California license PA21822.
Which hospitals is Ashley E. Stemley affiliated with?
Ashley Stemley is affiliated with Redlands Community Hospital.
What medical group is Ashley E. Stemley part of?
Ashley Stemley is linked to Pacific Dermatology Institute. Dmand AI links Ashley Stemley to 2 more medical groups.
Does Ashley E. Stemley accept Medicare?
Yes. CMS data shows Ashley Stemley billed Medicare for 1,264 services in 2024, and Ashley Stemley accepts Medicare assignment.
How many Medicare patients does Ashley E. Stemley see?
CMS counts 254 Medicare patients who saw Ashley Stemley in 2024, with an average age of 72.
What services does Ashley E. Stemley bill to Medicare?
In 2024, Ashley Stemley's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and surgery: skin and soft tissue (11102).
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What drugs does Ashley E. Stemley prescribe most?
In 2024 Medicare Part D data, Ashley Stemley's most prescribed drugs by claims were Clobetasol Propionate, Ketoconazole and Triamcinolone Acetonide.
Has Ashley E. Stemley received payments from drug or device companies?
CMS Open Payments shows $4,221 in general payments to Ashley Stemley from 16 companies from 2024 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Ashley E. Stemley been practicing?
Ashley Stemley graduated from medical school in 2011, 15 years ago.
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