Darren J Hammergren LLC
NPI 1619165636 · Psychiatric/Mental Health Nurse Practitioner · Tucson, AZ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darren J Hammergren LLC is a Psychiatric/Mental Health Nurse Practitioner organization in Tucson, AZ (NPI 1619165636).
Provider details
- NPI number
- 1619165636
- Entity type
- Organization
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Darren Hammergren, Owner(520) 747-2861
- License
- AP 2617 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Darren J Hammergren NP
- Doing business as
- Darren J Hammergren NP
Registry dates
- Enumerated
- 2007-10-04
- Last updated
- 2021-10-25
- Certified
- 2021-10-25
Frequently asked questions
- What is Darren J Hammergren LLC's NPI number?
- Darren J Hammergren LLC's National Provider Identifier (NPI) is 1619165636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Darren J Hammergren LLC?
- Darren J Hammergren LLC is classified in the NPPES registry as Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Darren J Hammergren LLC located?
- Darren J Hammergren LLC's practice location on file with NPPES is 5920 E Pima St Ste 140, Tucson, AZ 85712-4380.
- What is Darren J Hammergren LLC's phone number?
- The practice phone number listed in the NPPES registry for Darren J Hammergren LLC is (520) 747-2861.
- Does Darren J Hammergren LLC accept Medicare?
- Darren J Hammergren LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Darren J Hammergren LLC?
- The authorized official listed on Darren J Hammergren LLC's NPPES record is Darren Hammergren, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Darren J Hammergren LLC's NPI active?
- Yes — Darren J Hammergren LLC's NPI (1619165636) is active in the NPPES registry as of the last update on 2021-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.