Tonja S. Petersen - Anderson, ARNP
- Part D claims, 2024
- 7,813
- MIPS score, 2024
- 85
- Hospital affiliations
- 4
- Medical group
- 1
- State license
- 1
- Practice address
- 625 S Fair Oaks Ave, Pasadena, CA 91105
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Huntington Ambulatory Surgery Center - HOPD
Acute Care Hospital outpatient department · Pasadena, California
Find Tonja Petersen - Anderson'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.
Tonja S. Petersen - Anderson is a nurse practitioner in Pasadena, California
Tonja Petersen - Anderson practices at Huntington Ambulatory Surgery Center - HOPD in Pasadena, California.
Tonja Petersen - Anderson's NPI, 1487626719, was assigned on February 2, 2006. Tonja Petersen - Anderson holds Iowa license A097418.
- NPI
- 1487626719NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123046026
- NPI enumeration date
- February 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tonja S. Petersen - Anderson practices at Huntington Ambulatory Surgery Center - HOPD in Pasadena, California
Tonja Petersen - Anderson's primary practice is Huntington Ambulatory Surgery Center - HOPD, at 625 S Fair Oaks Ave, Pasadena, CA 91105.
- Huntington Ambulatory Surgery Center - HOPD625 S Fair Oaks Ave, Pasadena, CA 91105
Source: Dmand AI Affiliation Data
Tonja S. Petersen - Anderson is affiliated with 8 sites of care and 1 medical group
Tonja Petersen - Anderson's primary practice is Huntington Ambulatory Surgery Center - HOPD in Pasadena, California. Tonja Petersen - Anderson is also affiliated with UnityPoint Health - Trinity Regional Medical Center. The medical group on file is Stewart Memorial Hospital and Clinics. Dmand AI also links Tonja Petersen - Anderson to 3 more hospitals, 1 home health agency, 1 rural health clinic and 1 skilled nursing facility, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Tonja S. Petersen - Anderson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tonja Petersen - Anderson practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Huntington Ambulatory Surgery Center - HOPD | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Tonja S. Petersen - Anderson is one of 5,983 nurse practitioners in California
Nurse practitioner is Tonja Petersen - Anderson's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Tonja Petersen - Anderson is licensed in Iowa.
Specialties and state licenses
- Nurse practitioner, IowaPrimary
Nurse practitioners near Tonja Petersen - Anderson
Counts of 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
Tonja S. Petersen - Anderson's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Tonja Petersen - Anderson's median patient age at 69, with 62% women.
Tonja Petersen - Anderson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Tonja S. Petersen - Anderson wrote 7,813 Medicare Part D claims in 2024
In 2024, Tonja Petersen - Anderson wrote 7,813 Medicare Part D claims for 336 patients. 89% of them were for generic drugs.
Tonja Petersen - Anderson's Part D claims by kind of drug, 2024
- Generic6,962 claims89%
- Brand-name798 claims10%
- Other53 claims1%
Drug classes CMS tracks in Tonja Petersen - Anderson's Part D claims, 2024
- Opioids3%259 of 7,813 claims
- Antibiotics3%234 of 7,813 claims
- Antipsychotics, patients 65 and over0%27 of 7,813 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
Tonja S. Petersen - Anderson scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Tonja Petersen - Anderson for performance year 2024, reported as part of a group. Tonja Petersen - Anderson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Tonja Petersen - Anderson's MIPS scores, performance year 2024
- 85of 100Final score
- 90of 100Quality
- 84of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 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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Sources for Tonja S. Petersen - Anderson'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Tonja S. Petersen - Anderson
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What is Tonja S. Petersen - Anderson's NPI number?
Tonja S. Petersen - Anderson's NPI number is 1487626719. It was assigned on February 2, 2006, and it is active in the NPI Registry.
What does Tonja S. Petersen - Anderson specialize in?
Tonja S. Petersen - Anderson is a nurse practitioner in Pasadena, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Tonja S. Petersen - Anderson practice?
Tonja Petersen - Anderson practices at 625 S Fair Oaks Ave, Pasadena, CA 91105. Tonja Petersen - Anderson's primary practice is Huntington Ambulatory Surgery Center - HOPD in Pasadena, California. Dmand AI also links Tonja Petersen - Anderson to 3 hospitals, 1 home health agency, 1 rural health clinic and 1 skilled nursing facility.
What is Tonja S. Petersen - Anderson's medical license number?
Tonja Petersen - Anderson holds Iowa license A097418.
Which hospitals is Tonja S. Petersen - Anderson affiliated with?
Tonja Petersen - Anderson is affiliated with UnityPoint Health - Trinity Regional Medical Center. Dmand AI links Tonja Petersen - Anderson to 3 more hospitals.
What medical group is Tonja S. Petersen - Anderson part of?
Tonja Petersen - Anderson is linked to Stewart Memorial Hospital and Clinics.
Does Tonja S. Petersen - Anderson accept Medicare?
Yes. CMS lists Tonja Petersen - Anderson as accepting Medicare assignment.
What is Tonja S. Petersen - Anderson's MIPS score?
Tonja Petersen - Anderson's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How long has Tonja S. Petersen - Anderson been practicing?
Tonja Petersen - Anderson graduated from medical school in 1997, 29 years ago.
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