Erika Danielle Hartwell, FNP-C
- Part D claims, 2024
- 2,697
- Hospital affiliations
- 1
- Industry payments
- $200
- Medical group
- 1
- State license
- 1
- Practice address
- 3330 Lomita Blvd, Torrance, CA 90509
- Practice phone
- Call (310) 325-9110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Erika Hartwell'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.
Erika Danielle Hartwell is a nurse practitioner in Torrance, California
Erika Hartwell practices at Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System.
Erika Hartwell's NPI, 1588266142, was assigned on November 9, 2020. Erika Hartwell holds California license 95015965.
- NPI
- 1588266142NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042627838
- NPI enumeration date
- November 9, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-9110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Erika Danielle Hartwell practices at Torrance Memorial Medical Center in Torrance, California
Erika Hartwell's primary practice is Torrance Memorial Medical Center, at 3330 Lomita Blvd, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 325-9110.
- Torrance Memorial Medical Center3330 Lomita Blvd, Torrance, CA 90509 · Los Angeles CountyPhone(310) 325-9110
Source: Dmand AI Affiliation Data
Erika Danielle Hartwell is affiliated with 2 sites of care and 1 medical group
Erika Hartwell's primary practice is Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System. The medical group on file is Torrance Memorial Physician Network. Dmand AI also links Erika Hartwell to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Erika Danielle Hartwell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Erika Hartwell practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Torrance Memorial Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Cedars-Sinai Health System and 6.2K+ hospitals, with verified contacts in the same login.
Erika Danielle Hartwell is one of 5,983 nurse practitioners in California
Nurse practitioner is Erika Hartwell's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Erika Hartwell is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Erika Hartwell
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
Erika Danielle Hartwell's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Erika Hartwell's median patient age at 56, with 70% women.
Erika Hartwell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women70%
- Men29%
Source: Dmand AI Patient Panel Data
Erika Danielle Hartwell wrote 2,697 Medicare Part D claims in 2024
In 2024, Erika Hartwell wrote 2,697 Medicare Part D claims for 269 patients. 86% of them were for generic drugs. CMS names the drug for 2,196 of them, across 63 drugs with 11 or more claims each, at $162,924 in total drug cost.
Erika Hartwell's Part D claims by kind of drug, 2024
- Generic2,316 claims86%
- Brand-name356 claims13%
- Other25 claims1%
Erika Hartwell'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 Erika Hartwell's Part D claims, 2024
- Antibiotics2%41 of 2,697 claims
- Antipsychotics, patients 65 and over0%11 of 2,697 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 Erika Danielle Hartwell takes part in Medicare
Erika Hartwell 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Erika Danielle Hartwell received $200 in industry payments from 2024 to 2025
CMS Open Payments shows 9 general payments to Erika Hartwell from 6 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $46.
General payments to Erika Hartwell by program year, 2024 to 2025
Companies that paid Erika Hartwell the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Erika Danielle Hartwell'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Erika Danielle Hartwell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Erika Danielle Hartwell's NPI number?
Erika Danielle Hartwell's NPI number is 1588266142. It was assigned on November 9, 2020, and it is active in the NPI Registry.
What does Erika Danielle Hartwell specialize in?
Erika Danielle Hartwell is a nurse practitioner in Torrance, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Erika Danielle Hartwell practice?
Erika Hartwell practices at 3330 Lomita Blvd, Torrance, CA 90509. Erika Hartwell's primary practice is Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System. Dmand AI also links Erika Hartwell to 1 group practice or clinic.
What is Erika Danielle Hartwell's office phone number?
The practice phone on file for Erika Hartwell is (310) 325-9110.
What is Erika Danielle Hartwell's medical license number?
Erika Hartwell holds California license 95015965.
Which hospitals is Erika Danielle Hartwell affiliated with?
Erika Hartwell practices at Torrance Memorial Medical Center in Torrance, California.
What medical group is Erika Danielle Hartwell part of?
Erika Hartwell is linked to Torrance Memorial Physician Network.
Does Erika Danielle Hartwell accept Medicare?
Yes. CMS lists Erika Hartwell as accepting Medicare assignment.
What drugs does Erika Danielle Hartwell prescribe most?
In 2024 Medicare Part D data, Erika Hartwell's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Erika Danielle Hartwell received payments from drug or device companies?
CMS Open Payments shows $200 in general payments to Erika Hartwell from 6 companies from 2024 to 2025. The largest total came from Pfizer Inc.
How long has Erika Danielle Hartwell been practicing?
Erika Hartwell graduated from medical school in 2020, 6 years ago.
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