Dr. Heather E. Fields, MD
- Medicare services, 2024
- 940
- Medicare patients, 2024
- 409
- Part D claims, 2024
- 3,226
- Publications
- 13
- MIPS score, 2024
- 86
- Practice address
- 13400 East Shea Boulevard, Scottsdale, AZ 85259
- Practice phone
- Call (480) 342-4201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mayo Clinic Ambulatory Surgery Center - Scottsdale
Surgery Center - Medicare-Certified · Scottsdale, Arizona
Find Dr. Fields' 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. Heather E. Fields is an internist in Scottsdale, Arizona
Dr. Fields practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona.
Dr. Fields' NPI, 1891085049, was assigned on April 8, 2011. Dr. Fields graduated from University of Kansas School of Med (KC/Wich/Sal) in 2011. Dr. Fields holds Arizona license 46071.
- NPI
- 1891085049NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981841079
- NPI enumeration date
- April 8, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (480) 342-4201
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Heather E. Fields practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona
Dr. Fields' primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale, at 13400 East Shea Boulevard, Scottsdale, AZ 85259. The practice phone is (480) 342-4201.
- Mayo Clinic Ambulatory Surgery Center - Scottsdale13400 East Shea Boulevard, Scottsdale, AZ 85259Phone(480) 342-4201
Source: Dmand AI Affiliation Data
Dr. Heather E. Fields is affiliated with 3 sites of care and 1 medical group
Dr. Fields' primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona. Dr. Fields is also affiliated with Mayo Clinic Hospital - Phoenix. The medical group on file is Mayo Clinic Arizona. Dmand AI also links Dr. Fields to 1 more home health agency, named with a free account. Dr. Fields' employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Heather E. Fields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fields practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Ambulatory Surgery Center - Scottsdale | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Heather E. Fields is one of 2,420 internists in Arizona
Internal medicine is Dr. Fields' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fields is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Fields
Counts of internists 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. Heather E. Fields billed Medicare for 940 services in 2024
CMS data shows 940 Medicare services from Dr. Fields across 10 procedure codes in 2024, for 409 Medicare patients. Medicare paid $64,865 for them. Every service was in an office.
Dr. Fields' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5032024: 5407%
- Other services
- 2023: 1242024: 314153%
- Tests and treatments
- 2023: 1242024: 8631%
Dr. Fields compared with the Arizona median for internists, 2024
- Dr. Fields
- Arizona median
- Medicare services
- 940vs 47697% above
- Medicare patients
- 409vs 205100% above
- Part D claims
- 2,577vs 2609.9 times
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Fields' 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. Heather E. Fields treated 409 Medicare patients in 2024, average age 76
CMS counts 409 Medicare patients who saw Dr. Fields in 2024. The largest group is 65 to 74, with 180 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fields' median patient age at 73, with 54% women.
Dr. Fields' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fields' Medicare patients by sex, 2024
- Women22655%
- Men18345%
Chronic conditions among Dr. Fields' Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis46%
- Osteoporosis24%
- Chronic kidney disease23%
- Ischemic heart disease23%
- Cancer21%
- Diabetes21%
Share of Medicare patients with each condition. A patient can have several.
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 73
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Heather E. Fields wrote 3,226 Medicare Part D claims in 2024
In 2024, Dr. Fields wrote 3,226 Medicare Part D claims for 445 patients. 85% of them were for generic drugs. CMS names the drug for 2,577 of them, across 65 drugs with 11 or more claims each, at $273,027 in total drug cost. In 2023, CMS named 2,417 claims across 64 drugs.
Dr. Fields' Part D claims by kind of drug, 2024
- Generic2,749 claims85%
- Brand-name460 claims14%
- Other17 claims1%
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
- Opioids2%80 of 3,226 claims
- Antibiotics2%63 of 3,226 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: 2,4172024: 2,5777%
Drugs named by CMS: 65 in 2024, 64 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. Heather E. Fields scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Fields for performance year 2024, reported as part of a group. Dr. Fields accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fields as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Fields' MIPS scores, performance year 2024
- 86of 100Final score
- 78.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
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
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Dr. Heather E. Fields has 13 publications on record
Dmand AI links 13 papers to Dr. Fields, published from 2014 to 2024. 2016 was the busiest year, with 2. The most frequent topics are Diet, Diet, Vegetarian and Obesity. Dr. Fields has published most often in J Am Osteopath Assoc. Dr. Fields' most frequent co-authors are Denise M. Millstine, MD, Mark Randall Wallace, MD and Barbara E. Ruddy, MD.
Dr. Fields' papers by year, 2014 to 2024
Topics Dr. Fields writes about most
- Diet
- Diet, Vegetarian
- Obesity
- Pneumococcal Vaccines
Dr. Fields' most frequent co-authors
- Denise M. Millstine, MD8 shared papers
- Mark Randall Wallace, MD7 shared papers
- Barbara E. Ruddy, MD3 shared papers
Recent publications by Dr. Fields
J Womens Health (Larchmt)
See who Dr. Fields researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fields works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Heather E. Fields received $35 in industry payments from 2023 to 2025
CMS Open Payments shows 2 general payments to Dr. Fields from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. BioXcel Therapeutics, Inc. paid the most, $19.
General payments to Dr. Fields by program year, 2023 to 2025
Companies that paid Dr. Fields the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Heather E. Fields graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Fields graduated from University of Kansas School of Med (KC/Wich/Sal) in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Heather E. 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Heather E. 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. Heather E. Fields' NPI number?
Dr. Heather E. Fields' NPI number is 1891085049. It was assigned on April 8, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Heather E. Fields?
Dr. Heather E. Fields is an internist in Scottsdale, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Heather E. Fields practice?
Dr. Fields practices at 13400 East Shea Boulevard, Scottsdale, AZ 85259. Dr. Fields' primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona. Dmand AI also links Dr. Fields to 1 home health agency.
What is Dr. Heather E. Fields' office phone number?
The practice phone on file for Dr. Fields is (480) 342-4201.
What is Dr. Heather E. Fields' medical license number?
Dr. Fields holds Arizona license 46071.
Which hospitals is Dr. Heather E. Fields affiliated with?
Dr. Fields is affiliated with Mayo Clinic Hospital - Phoenix.
What medical group is Dr. Heather E. Fields part of?
Dr. Fields is linked to Mayo Clinic Arizona.
Does Dr. Heather E. Fields accept Medicare?
Yes. CMS data shows Dr. Fields billed Medicare for 940 services in 2024, and Dr. Fields accepts Medicare assignment.
Does Dr. Heather E. Fields offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fields as offering telehealth services.
What is Dr. Heather E. Fields' MIPS score?
Dr. Fields' MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Heather E. Fields see?
CMS counts 409 Medicare patients who saw Dr. Fields in 2024, with an average age of 76.
What services does Dr. Heather E. Fields bill to Medicare?
In 2024, Dr. Fields' most billed Medicare services were office visit, established patient (99213), medicare service (G2211) and office visit, established patient (99215).
Where did Dr. Heather E. Fields go to medical school?
Dr. Fields graduated from University of Kansas School of Med (KC/Wich/Sal) in 2011.
What drugs does Dr. Heather E. Fields prescribe most?
In 2024 Medicare Part D data, Dr. Fields' most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Levothyroxine Sodium.
Has Dr. Heather E. Fields received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Dr. Fields from 2 companies from 2023 to 2025. The largest total came from BioXcel Therapeutics, Inc.
How long has Dr. Heather E. Fields been practicing?
Dr. Fields graduated from medical school in 2011, 15 years ago.
Does Dr. Heather E. Fields do research?
Dmand AI links 13 publications to Dr. Fields, published from 2014 to 2024.
Who does Dr. Heather E. Fields publish with?
Dr. Fields' most frequent co-authors are Denise M. Millstine, MD (8 shared papers), Mark Randall Wallace, MD (7 shared papers) and Barbara E. Ruddy, MD (3 shared papers).
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