Emma H. Winfield, NP
- Medicare services, 2024
- 374
- Medicare patients, 2024
- 71
- Part D claims, 2024
- 705
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 155 Glasson Way, Grass Valley, CA 95945
- Practice phone
- Call (530) 274-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Emma Winfield's professional email, personal email and mobile number
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Emma H. Winfield is a family nurse practitioner in Grass Valley, California
Emma Winfield practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health.
Emma Winfield's NPI, 1033458161, was assigned on February 8, 2013. Emma Winfield holds California license 22756.
- NPI
- 1033458161NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729228937
- NPI enumeration date
- February 8, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 274-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Emma H. Winfield practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California
Emma Winfield's primary practice is Dignity Health - Sierra Nevada Memorial Hospital, at 155 Glasson Way, Grass Valley, CA 95945 in Nevada County. The practice phone is (530) 274-6000.
- Dignity Health - Sierra Nevada Memorial Hospital155 Glasson Way, Grass Valley, CA 95945 · Nevada CountyPhone(530) 274-6000
Source: Dmand AI Affiliation Data
Emma H. Winfield is affiliated with 3 sites of care and 2 medical groups
Emma Winfield's primary practice is Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health. The medical group on file is Capital Medical Extended Care. Dmand AI also links Emma Winfield to 1 more home health agency, 1 hospice and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Emma H. Winfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Emma Winfield practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Sierra Nevada Memorial Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Emma H. Winfield is one of 13,532 family nurse practitioners in California
Family is Emma Winfield's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Emma Winfield is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists alzheimer's disease, anxiety, arteritis, chronic diabetes, chronic respiratory failure, high cholesterol, insomnia and mobility impairment among the conditions Emma Winfield treats.
Family nurse practitioners near Emma Winfield
Counts of family nurse practitioners 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
Emma H. Winfield billed Medicare for 374 services in 2024
CMS data shows 374 Medicare services from Emma Winfield across 5 procedure codes in 2024, for 71 Medicare patients. Medicare paid $34,543 for them. Every service was in an office.
Emma Winfield compared with the California median for family nurse practitioners, 2024
- Emma Winfield
- California median
- Medicare services
- 374vs 23460% above
- Medicare patients
- 71vs 9021% below
- Part D claims
- 616vs 36071% above
Medians across 6,382 family nurse practitioners in California with Dmand AI profiles that report each measure.
Emma Winfield'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
Emma H. Winfield treated 71 Medicare patients in 2024, average age 74
CMS counts 71 Medicare patients who saw Emma Winfield in 2024. The largest group is 65 to 74, with 35 patients. 72% of them have high blood pressure, and 61% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Emma Winfield's median patient age at 74, with 60% women.
Emma Winfield's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Emma Winfield's Medicare patients by sex, 2024
- Women3448%
- Men3752%
Chronic conditions among Emma Winfield's Medicare patients, 2024
- High blood pressure72%
- High cholesterol61%
- Cancer52%
- Arthritis48%
- Mood disorders44%
- Anxiety42%
- Depression41%
- Heart failure34%
Share of Medicare patients with each condition. A patient can have several.
Emma Winfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Emma H. Winfield wrote 705 Medicare Part D claims in 2024
In 2024, Emma Winfield wrote 705 Medicare Part D claims for 64 patients. 94% of them were for generic drugs. CMS names the drug for 616 of them, across 14 drugs with 11 or more claims each, at $9,525 in total drug cost.
Emma Winfield's Part D claims by kind of drug, 2024
- Generic661 claims94%
- Brand-name44 claims6%
Emma Winfield'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 Emma Winfield's Part D claims, 2024
- Opioids57%405 of 705 claims
- Antibiotics3%19 of 705 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 Emma H. Winfield takes part in Medicare
Emma Winfield 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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Sources for Emma H. Winfield'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) |
| 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 Emma H. Winfield
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What is Emma H. Winfield's NPI number?
Emma H. Winfield's NPI number is 1033458161. It was assigned on February 8, 2013, and it is active in the NPI Registry.
What does Emma H. Winfield specialize in?
Emma H. Winfield is a family nurse practitioner in Grass Valley, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Emma H. Winfield practice?
Emma Winfield practices at 155 Glasson Way, Grass Valley, CA 95945. Emma Winfield's primary practice is Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California, part of CommonSpirit Health. Dmand AI also links Emma Winfield to 1 home health agency, 1 hospice and 1 medical group.
What is Emma H. Winfield's office phone number?
The practice phone on file for Emma Winfield is (530) 274-6000.
What is Emma H. Winfield's medical license number?
Emma Winfield holds California license 22756.
Which hospitals is Emma H. Winfield affiliated with?
Emma Winfield practices at Dignity Health - Sierra Nevada Memorial Hospital in Grass Valley, California.
What medical group is Emma H. Winfield part of?
Emma Winfield is linked to Capital Medical Extended Care. Dmand AI links Emma Winfield to 1 more medical group.
Does Emma H. Winfield accept Medicare?
Yes. CMS data shows Emma Winfield billed Medicare for 374 services in 2024, and Emma Winfield accepts Medicare assignment.
How many Medicare patients does Emma H. Winfield see?
CMS counts 71 Medicare patients who saw Emma Winfield in 2024, with an average age of 74.
What services does Emma H. Winfield bill to Medicare?
In 2024, Emma Winfield's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and care management and other visits (99497).
What drugs does Emma H. Winfield prescribe most?
In 2024 Medicare Part D data, Emma Winfield's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Morphine Sulfate ER and Gabapentin.
How long has Emma H. Winfield been practicing?
Emma Winfield graduated from medical school in 2012, 14 years ago.
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