NPPES file of Aug 9, 2026

Heather Lynn Davis, MD

Pulmonary Disease Physician · Claremont, CA

Heather Lynn Davis, MD is a pulmonary disease physician with a practice address in Claremont, California, and NPI 1154390391, issued on Mar 17, 2006. Check the license (California A71940, 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
1154390391
Name
Heather Lynn Davis
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
A71940 CA
Self-reported in NPPES; status is on the state search
Practice location
1601 Monte Vista Ave Ste 270, Claremont, CA 91711
Phone
(909) 865-9152
Enumerated
Mar 17, 2006
Record last updated
Aug 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(909) 630-7947
Medicaid ID
00A719400 CA
Medicare enrollment
Enrolled (PECOS I20040615000712); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1998
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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Verify Heather Lynn Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A71940
    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

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87% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

186 Medicare Part D claims for 29 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Heather Davis186
  2. Specialty average1,425

Most prescribed

  1. Ipratropium-Albuterol28 claims
  2. Chlorhexidine Gluconate26 claims
  3. Albuterol Sulfate Hfa16 claims
  4. Hydralazine Hcl13 claims
  5. Novolog Flexpen13 claims
  6. Glycopyrrolate11 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.

Industry payments in 2024: $797.80

13 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Heather Davis$797.80
  2. Specialty average$5,159.88

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Chaparral Medical Group IncPomona, CA

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

Heather Lynn Davis among 1,443 pulmonary disease physician records in California

Heather Lynn Davis, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% 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, 51% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1998 · median 2002 among the 1,061 with a school on file
  • Record last updated2019 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in California

There are 1,443 pulmonary disease physician records in California.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Olufemi Adenuga, M.D, MPHBaldwin Park, CA 917061134389125
  2. Thomas Verdegem, MDCovina, CA 917231861451700
  3. Khader Abounasr, MDRancho Cucamonga, CA 917301780884015
  4. Aftab Qadir, MDRancho Cucamonga, CA 917301851753545
  5. Kamalakar Rambhatla, MDEl Monte, CA 917311932130663
  6. Moustapha Abidali, DOGlendora, CA 917411669810123
  7. Jaspreet Ahuja, MDGlendora, CA 917411174765960
  8. Nutan Bhaskar, MDGlendora, CA 917411922269604

Common questions

What is Heather Lynn Davis, MD's NPI number?

Heather Lynn Davis, MD's National Provider Identifier (NPI) is 1154390391, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Heather Lynn Davis, MD located?

The NPPES record lists a practice address at 1601 Monte Vista Ave Ste 270, Claremont, CA, 91711. Phone: (909) 865-9152. Providers update this record themselves, so call before visiting.

How can I verify Heather Lynn Davis, MD's license?

NPPES lists California license number A71940, 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 Lynn Davis, MD prescribe under Medicare Part D?

In 2024, Heather Lynn Davis, MD had 186 Medicare Part D claims for 29 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.