Heather Maureen Lewerenz, M.D.
Psychiatry Physician · Saint Helena, CA
Heather Maureen Lewerenz, M.D. is a psychiatry physician with a practice address in Saint Helena, California, and NPI 1891902698, issued on May 17, 2007. Check the license (California C144761, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Heather Maureen Lewerenz
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- C144761 CA
221792 NY
Self-reported in NPPES; status is on the state search - Practice location
- 10 Woodland RD, Saint Helena, CA 94574
- Phone
- (707) 963-6270
- Enumerated
- May 17, 2007
- Record last updated
- Feb 1, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170215001558); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 10 Woodland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nora Allen, RN, CNSAcute Care Clinical Nurse Specialist1710481932
- Stephen Banks, MDRadiation Oncology Physician1770680852
- Wendy Battistini, PTPhysical Therapist1215888276
- Julie Butulia, RDRegistered Dietitian1679376891
- Danny Cao, PHARMACISTPharmacist1447069570
- David Carelock, CRNACertified Registered Nurse Anesthetist1790773596
Verify Heather Maureen Lewerenz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C144761Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average psychiatry physician in 2024
136 Medicare Part D claims for 39 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxyzine Hcl13 claims
- Trazodone Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- St. Helena HospitalSaint Helena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Maureen Lewerenz among 8,673 psychiatry physician records in California
Heather Maureen Lewerenz, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1998 · median 2005 among the 3,295 with a school on file
- Record last updated2017 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 psychiatry physician records list a practice address in Saint Helena
They are 9 of the 232 NPPES records with a practice address in Saint Helena, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Saint Helena → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Bruce Anderson, MDSaint Helena, CA 945741942276324
- Amizetta Clark, M.D.Saint Helena, CA 945741841646353
- Stephen Greenberg, MDSaint Helena, CA 945741215975099
- Cynthia Janes, MDSaint Helena, CA 945741134282262
- Melody Kim, M.D.Saint Helena, CA 945741730297854
- Jose Mathews, M.D.Saint Helena, CA 945741225295249
- Bradley Nichinson, M.D.Saint Helena, CA 945741851323117
- Amy Wallace, MD, MPHSaint Helena, CA 945741144231499
Common questions
What is Heather Maureen Lewerenz, M.D.'s NPI number?
Heather Maureen Lewerenz, M.D.'s National Provider Identifier (NPI) is 1891902698, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Heather Maureen Lewerenz, M.D. located?
The NPPES record lists a practice address at 10 Woodland RD, Saint Helena, CA, 94574. Phone: (707) 963-6270. Providers update this record themselves, so call before visiting.
How can I verify Heather Maureen Lewerenz, M.D.'s license?
NPPES lists California license number C144761, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Heather Maureen Lewerenz, M.D. prescribe under Medicare Part D?
In 2024, Heather Maureen Lewerenz, M.D. had 136 Medicare Part D claims for 39 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.