Nicholas S. Stollenwerk, MD
Pulmonary Disease Physician · Sacramento, CA
Nicholas S. Stollenwerk, MD is a pulmonary disease physician with a practice address in Sacramento, California, and NPI 1376523472, issued on Jan 17, 2006. Check the license (California OOA818000, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicholas S. Stollenwerk
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- OOA818000 CA
A818000 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V St Ste 3400, Sacramento, CA 95817
- Phone
- (916) 734-3564
- Enumerated
- Jan 17, 2006
- Record last updated
- Dec 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (916) 734-7924
- Medicare enrollment
- Enrolled (PECOS I20040712001248); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 4150 V St Ste 3400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nicholas S. Stollenwerk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license OOA818000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
109 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 47% of claims.
Most prescribed
- Albuterol Sulfate Hfa18 claims
- Combivent Respimat18 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
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas S. Stollenwerk among 1,443 pulmonary disease physician records in California
Nicholas S. Stollenwerk, 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
- Graduated2001 · median 2002 among the 1,061 with a school on file
- Record last updated2011 · 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.
All 1,443 in California → Every provider in Sacramento → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Mark Avdalovic, M.D.Sacramento, CA 958171649254467
- Emily BeckSacramento, CA 958171326338195
- Carroll Cross, MDSacramento, CA 958171639155930
- Kimberly Hardin, MDSacramento, CA 958171235116732
- Richart Harper, M.D.Sacramento, CA 958171659355980
- Brooks Kuhn, M.D.Sacramento, CA 958171851528947
- Samuel Louie, M.D.Sacramento, CA 958171811972920
- Andrew MatthysSacramento, CA 958171790103877
Common questions
What is Nicholas S. Stollenwerk, MD's NPI number?
Nicholas S. Stollenwerk, MD's National Provider Identifier (NPI) is 1376523472, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas S. Stollenwerk, MD located?
The NPPES record lists a practice address at 4150 V St Ste 3400, Sacramento, CA, 95817. Phone: (916) 734-3564. Providers update this record themselves, so call before visiting.
How can I verify Nicholas S. Stollenwerk, MD's license?
NPPES lists California license number OOA818000, 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 Nicholas S. Stollenwerk, MD prescribe under Medicare Part D?
In 2024, Nicholas S. Stollenwerk, MD had 109 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.