Tammy A. Doering, PA
- Medicare patients, 2024
- 247
- Part D claims, 2024
- 252
- MIPS score, 2024
- 86
- Hospital affiliations
- 2
- Industry payments
- $15
- Practice address
- 18444 N 25th Ave, Phoenix, AZ 85023
- Practice phone
- Call (623) 537-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Core Institute
Phoenix, Arizona
Find Tammy Doering'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.
Tammy A. Doering is a physician assistant in Phoenix, Arizona
Tammy Doering practices at The Core Institute in Phoenix, Arizona.
Tammy Doering's NPI, 1609800135, was assigned on July 10, 2006. Tammy Doering holds Arizona license 3212.
- NPI
- 1609800135NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941239073
- NPI enumeration date
- July 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (623) 537-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Tammy A. Doering practices at The Core Institute in Phoenix, Arizona
Tammy Doering's primary practice is The Core Institute, at 18444 N 25th Ave, Phoenix, AZ 85023 in Maricopa County. The practice phone is (623) 537-5600.
- The Core Institute18444 N 25th Ave, Phoenix, AZ 85023 · Maricopa CountyPhone(623) 537-5600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Tammy A. Doering is affiliated with 5 sites of care and 2 medical groups
Tammy Doering's primary practice is The Core Institute in Phoenix, Arizona. Tammy Doering is also affiliated with Flagstaff Medical Center. The medical group on file is Northern Arizona Healthcare. Dmand AI also links Tammy Doering to 1 more hospital, 2 group practices and clinics and 1 medical group, 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 Tammy A. Doering's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Doering practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Core Institute | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Tammy A. Doering is one of 2,965 physician assistants in Arizona
Physician assistant is Tammy Doering's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Tammy Doering is licensed in Arizona.
Specialties and state licenses
- Physician assistant, ArizonaPrimary
Physician assistants near Tammy Doering
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
Tammy A. Doering treated 247 Medicare patients in 2024, average age 73
CMS counts 247 Medicare patients who saw Tammy Doering in 2024. The largest group is 65 to 74, with 134 patients. 75% of them have arthritis, and 71% have high cholesterol. 19% are also on Medicaid. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tammy Doering's median patient age at 61, with 55% women.
Tammy Doering's Medicare patients by age, 2024
Tammy Doering's Medicare patients by sex, 2024
- Women12651%
- Men12149%
Chronic conditions among Tammy Doering's Medicare patients, 2024
- Arthritis75%
- High cholesterol71%
- High blood pressure62%
- Diabetes26%
- Ischemic heart disease18%
- Chronic kidney disease15%
- Mood disorders14%
- Anxiety13%
Share of Medicare patients with each condition. A patient can have several.
Tammy Doering's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tammy A. Doering wrote 252 Medicare Part D claims in 2024
In 2024, Tammy Doering wrote 252 Medicare Part D claims for 111 patients. 99% of them were for generic drugs.
Tammy Doering's Part D claims by kind of drug, 2024
- Generic250 claims99%
- Brand-name and other2 claims1%
Drug classes CMS tracks in Tammy Doering's Part D claims, 2024
- Opioids41%103 of 252 claims
- Antibiotics8%19 of 252 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Tammy A. Doering 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 Tammy Doering for performance year 2024, reported as part of a group. Tammy Doering accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Tammy Doering as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Tammy Doering's MIPS scores, performance year 2024
- 86of 100Final score
- 76.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 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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Tammy A. Doering received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tammy Doering from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $15.
Companies that paid Tammy Doering the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Tammy A. Doering'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 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 (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) |
| 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 Tammy A. Doering
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tammy A. Doering's NPI number?
Tammy A. Doering's NPI number is 1609800135. It was assigned on July 10, 2006, and it is active in the NPI Registry.
What does Tammy A. Doering specialize in?
Tammy A. Doering is a physician assistant in Phoenix, Arizona. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Tammy A. Doering practice?
Tammy Doering practices at 18444 N 25th Ave, Phoenix, AZ 85023. Tammy Doering's primary practice is The Core Institute in Phoenix, Arizona. Dmand AI also links Tammy Doering to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Tammy A. Doering's office phone number?
The practice phone on file for Tammy Doering is (623) 537-5600.
What is Tammy A. Doering's medical license number?
Tammy Doering holds Arizona license 3212.
Which hospitals is Tammy A. Doering affiliated with?
Tammy Doering is affiliated with Flagstaff Medical Center. Dmand AI links Tammy Doering to 1 more hospital.
What medical group is Tammy A. Doering part of?
Tammy Doering is linked to Northern Arizona Healthcare. Dmand AI links Tammy Doering to 1 more medical group.
Does Tammy A. Doering accept Medicare?
Yes. CMS lists Tammy Doering as accepting Medicare assignment.
Does Tammy A. Doering offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Tammy Doering as offering telehealth services.
What is Tammy A. Doering's MIPS score?
Tammy Doering's 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 Tammy A. Doering see?
CMS counts 247 Medicare patients who saw Tammy Doering in 2024, with an average age of 73.
Has Tammy A. Doering received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Tammy Doering from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Tammy A. Doering been practicing?
Tammy Doering graduated from medical school in 2005, 21 years ago.
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