Dr. Alaina Nicole Fields, MD
- Medicare services, 2021
- 107
- Part D claims, 2024
- 981
- Hospital affiliations
- 1
- Industry payments
- $418
- Medical group
- 1
- Practice address
- 645 South Central Ave, Chicago, IL 60644
- Practice phone
- Call (773) 626-4300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fields' professional email, personal email and mobile number
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Dr. Alaina Nicole Fields is a general practice physician in Chicago, Illinois
Dr. Fields practices at Loretto Hospital in Chicago, Illinois, part of The Loretto Hospital.
Dr. Fields' NPI, 1548566813, was assigned on February 4, 2011. Dr. Fields graduated from Howard University College of Medicine in 2008. Dr. Fields holds California license A114862.
- NPI
- 1548566813NPI Registry (opens in a new tab)
- NPI enumeration date
- February 4, 2011
- NPI status
- Active
- Practice phone
- (773) 626-4300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alaina Nicole Fields practices at Loretto Hospital in Chicago, Illinois
Dr. Fields' primary practice is Loretto Hospital, at 645 South Central Ave, Chicago, IL 60644 in Cook County. The practice phone is (773) 626-4300.
- Loretto Hospital645 South Central Ave, Chicago, IL 60644 · Cook CountyPhone(773) 626-4300
Source: Dmand AI Affiliation Data
Dr. Alaina Nicole Fields is affiliated with 1 site of care and 1 medical group
Dr. Fields' primary practice is Loretto Hospital in Chicago, Illinois, part of The Loretto Hospital. The medical group on file is Harvard Street Neighborhood Health Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alaina Nicole Fields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fields practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loretto Hospital | 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 The Loretto Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alaina Nicole Fields is one of 275 general practice physicians in Illinois
General practice is Dr. Fields' primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Fields is licensed in California.
Specialties and state licenses
- General practice, CaliforniaPrimary
General practice physicians near Dr. Fields
Counts of general practice 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. Alaina Nicole Fields billed Medicare for 107 services in 2021
CMS data shows 107 Medicare services from Dr. Fields across 3 procedure codes in 2021. Medicare paid $578 for them. Every service was in an office.
Dr. Fields' Medicare services by type, 2020 to 2021
- 2020
- 2021
- Lab and pathology
- 2020: 1002021: 1077%
Dr. Fields compared with the Illinois median for general practice physicians, 2021
- Dr. Fields
- Illinois median
- Medicare services
- 107vs 33068% below
- Part D claims
- 599vs 5610.7 times
Medians across 198 general practice physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Fields' most billed Medicare procedure codes, 2021
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fields and other general practice physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alaina Nicole Fields' patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Fields' median patient age at 59, with 70% women.
Dr. Fields' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women70%
- Men29%
Source: Dmand AI Patient Panel Data
Dr. Alaina Nicole Fields wrote 981 Medicare Part D claims in 2024
In 2024, Dr. Fields wrote 981 Medicare Part D claims for 120 patients. 80% of them were for generic drugs. CMS names the drug for 599 of them, across 24 drugs with 11 or more claims each, at $50,047 in total drug cost. In 2023, CMS named 66 claims across 4 drugs.
Dr. Fields' Part D claims by kind of drug, 2024
- Generic785 claims80%
- Brand-name180 claims18%
- Other16 claims2%
Dr. Fields' 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. Fields' Part D claims, 2024
- Antibiotics3%26 of 981 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: 662024: 599808%
Drugs named by CMS: 24 in 2024, 4 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
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Dr. Alaina Nicole Fields received $418 in industry payments from 2017 to 2025
CMS Open Payments shows 17 general payments to Dr. Fields from 10 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 93% of the total. Abbvie Inc. paid the most, $154.
General payments to Dr. Fields by program year, 2017 to 2025
General payments to Dr. Fields by kind, 2017 to 2025
- Food and beverage$39093%
- Education$297%
Companies that paid Dr. Fields the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alaina Nicole Fields graduated from Howard University College of Medicine
Dr. Fields graduated from Howard University College of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alaina Nicole Fields'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 Data |
| 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) |
| 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. Alaina Nicole Fields
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. Alaina Nicole Fields' NPI number?
Dr. Alaina Nicole Fields' NPI number is 1548566813. It was assigned on February 4, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Alaina Nicole Fields?
Dr. Alaina Nicole Fields is a general practice physician in Chicago, Illinois. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Alaina Nicole Fields practice?
Dr. Fields practices at 645 South Central Ave, Chicago, IL 60644. Dr. Fields' primary practice is Loretto Hospital in Chicago, Illinois, part of The Loretto Hospital.
What is Dr. Alaina Nicole Fields' office phone number?
The practice phone on file for Dr. Fields is (773) 626-4300.
What is Dr. Alaina Nicole Fields' medical license number?
Dr. Fields holds California license A114862.
Which hospitals is Dr. Alaina Nicole Fields affiliated with?
Dr. Fields practices at Loretto Hospital in Chicago, Illinois.
What medical group is Dr. Alaina Nicole Fields part of?
Dr. Fields is linked to Harvard Street Neighborhood Health Center.
Does Dr. Alaina Nicole Fields accept Medicare?
Yes. CMS data shows Dr. Fields billed Medicare for 107 services in 2021.
What services does Dr. Alaina Nicole Fields bill to Medicare?
In 2021, Dr. Fields' most billed Medicare services were lab and pathology test (81002), lab and pathology test (83036) and lab and pathology test (82947).
Where did Dr. Alaina Nicole Fields go to medical school?
Dr. Fields graduated from Howard University College of Medicine in 2008.
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What drugs does Dr. Alaina Nicole Fields prescribe most?
In 2024 Medicare Part D data, Dr. Fields' most prescribed drugs by claims were Atorvastatin Calcium, Albuterol Sulfate Hfa and Amlodipine Besylate.
Has Dr. Alaina Nicole Fields received payments from drug or device companies?
CMS Open Payments shows $418 in general payments to Dr. Fields from 10 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Alaina Nicole Fields been practicing?
Dr. Fields graduated from medical school in 2008, 18 years ago.
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