NPPES file of Aug 9, 2026

Joann Hawk, PH.D.

Psychologist · Santa Rosa, CA

Joann Hawk, PH.D. is a psychologist with a practice address in Santa Rosa, California, and NPI 1770593568, issued on Aug 8, 2006. Check the license (California PSY8641, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770593568
Name
Joann Hawk
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
PSY8641 CA
Self-reported in NPPES; status is on the state search
Practice location
2235 Challenger Way, Santa Rosa, CA 95407
Phone
(707) 576-7057
Enumerated
Aug 8, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(707) 576-1964
Medicare enrollment
Enrolled (PECOS I20100709000796); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychologist records → All 7,304 in California → Look up another NPI →

Also registered at 2235 Challenger Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kathleen BeardPsychiatric/Mental Health Registered Nurse1952747164
  2. Isabel GrayDay Training/Habilitation Specialist1295378511
  3. Joseph Hannan, M.D.Psychiatry Physician1417022377
  4. Shiloh JayneMarriage & Family Therapist1518323831
  5. Eunjie Klegar, M.D.Psychiatry Physician1548568413
  6. Patrick McCullyMarriage & Family Therapist1356570337

Verify Joann Hawk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY8641    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Joann Hawk among 7,304 psychologist records in California

Joann Hawk, PH.D. is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 82% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 14% of these records are
  • Graduated1982 · median 2005 among the 1,058 with a school on file
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

92 psychologist records list a practice address in Santa Rosa

They are 92 of the 6,884 NPPES records with a practice address in Santa Rosa, and 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,304 in California → Every provider in Santa Rosa → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Tara Budinger, PH DSanta Rosa, CA 954071831163716
  2. Sheila Dickson, PH.D.Santa Rosa, CA 954071881825537
  3. Casandra Shotwell, PH.D.Santa Rosa, CA 954071669879334
  4. Nadia Cano, PHDSanta Rosa, CA 954051952809402
  5. Elizabeth Cassanos, PH.D.Santa Rosa, CA 954051992123905
  6. Mary Deyo, PSY.D.Santa Rosa, CA 954051679897219
  7. Albert Kastl, PHDSanta Rosa, CA 954051912132655
  8. John Lucas, PH.D.Santa Rosa, CA 954051639365992

Common questions

What is Joann Hawk, PH.D.'s NPI number?

Joann Hawk, PH.D.'s National Provider Identifier (NPI) is 1770593568, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joann Hawk, PH.D. located?

The NPPES record lists a practice address at 2235 Challenger Way, Santa Rosa, CA, 95407. Phone: (707) 576-7057. Providers update this record themselves, so call before visiting.

How can I verify Joann Hawk, PH.D.'s license?

NPPES lists California license number PSY8641, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.