NPPES file of Aug 9, 2026

Nicole Daamen, MD

Otolaryngology Physician · Walnut Creek, CA

Nicole Daamen, MD is an otolaryngology physician with a practice address in Walnut Creek, California, and NPI 1093893588, issued on Nov 1, 2006. Check the license (California A95338, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093893588
Name
Nicole Daamen
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
A95338 CA
Self-reported in NPPES; status is on the state search
Practice location
1425 S Main St, Walnut Creek, CA 94596
Phone
(925) 295-4000
Enumerated
Nov 1, 2006
Record last updated
Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070731000488); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 2001
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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Also registered at 1425 S Main St

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

  1. Eric AaserudeEmergency Medicine Physician1811491194
  2. Derek Abbassi, MDObstetrics & Gynecology Physician1841364155
  3. Peter Ackerman, MDEmergency Medicine Physician1427435023
  4. Aaron Mark Acosta, DOEmergency Medicine Physician1538789987
  5. Basil Adad, MDOtolaryngology Physician1487732574
  6. Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804

Verify Nicole Daamen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A95338
    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
Open 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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2% fewer Medicare Part D claims than the average otolaryngology physician in 2024

529 Medicare Part D claims for 202 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 18 claims were for opioids.

  1. Nicole Daamen529
  2. Specialty average541

Most prescribed

  1. Famotidine91 claims
  2. Pantoprazole Sodium58 claims
  3. Fluticasone Propionate40 claims
  4. Prednisone29 claims
  5. Prednisolone Acetate23 claims
  6. Ipratropium Bromide22 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

  1. Permanente Medical Group IncAntioch, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nicole Daamen among 1,212 otolaryngology physician records in California

Nicole Daamen, MD is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 52% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2001 · median 2004 among the 818 with a school on file
  • Record last updated2021 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in California

There are 1,212 otolaryngology physician records in California.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Basil Adad, MDWalnut Creek, CA 945961487732574
  2. Gregory Chin, MDWalnut Creek, CA 945961710056924
  3. Bryan Fong, MDWalnut Creek, CA 945961033297163
  4. Elizabeth Huang, MDWalnut Creek, CA 945961629156781
  5. Cornelius Jansen, MDWalnut Creek, CA 945961285712380
  6. Christopher Mascarinas, M.D.Walnut Creek, CA 945961952596744
  7. Glenn Schneider, MDWalnut Creek, CA 945961033297114
  8. Betty Tsai Do, MDWalnut Creek, CA 945961629293030

Common questions

What is Nicole Daamen, MD's NPI number?

Nicole Daamen, MD's National Provider Identifier (NPI) is 1093893588, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nicole Daamen, MD located?

The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (925) 295-4000. Providers update this record themselves, so call before visiting.

How can I verify Nicole Daamen, MD's license?

NPPES lists California license number A95338, 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 Nicole Daamen, MD prescribe under Medicare Part D?

In 2024, Nicole Daamen, MD had 529 Medicare Part D claims for 202 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.