Mark Janusz Smolenski, M.D.
Psychiatry Physician · Mountain View, CA
Mark Janusz Smolenski, M.D. is a psychiatry physician with a practice address in Mountain View, California, and NPI 1467571257, issued on Mar 29, 2007. Check the license (California G72483, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Janusz Smolenski
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- G72483 CA
MD-9255 HI
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Hospital Dr Bldg 1, Mountain View, CA 94040
- Phone
- (650) 961-4900
- Enumerated
- Mar 29, 2007
- Record last updated
- Jan 7, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (650) 254-5500
- Medicare enrollment
- Enrolled (PECOS I20051116000947); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2500 Hospital Dr Bldg 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Neallie Ranon, PSY.D.Clinical Psychologist1245486315
- Christine Thai, DMDGeneral Practice Dentistry1205843950
Verify Mark Janusz Smolenski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G72483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average psychiatry physician in 2024
201 Medicare Part D claims for 17 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Clonazepam25 claims
- Sertraline Hcl20 claims
- Lithium Carbonate16 claims
- Clozapine12 claims
- Duloxetine Hcl12 claims
- Bupropion Xl11 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: $1,760.26
6 payments; by number, the most common kind was food and beverage; the largest payer was Neuronetics, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Janusz Smolenski among 8,673 psychiatry physician records in California
Mark Janusz Smolenski, 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
- Graduated1990 · median 2005 among the 3,295 with a school on file
- Record last updated2010 · 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).
30 psychiatry physician records list a practice address in Mountain View
They are 30 of the 2,467 NPPES records with a practice address in Mountain View, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Mountain View → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Inder Darshan Arora, M.D.Mountain View, CA 940401164686499
- Bruce Bienenstock, M.D.Mountain View, CA 940401790733665
- Vanita Chawla, M,D., M.P.HMountain View, CA 940401548449135
- Nirmaljit Dhami, M.D.Mountain View, CA 940401952355547
- Evan Garner, MDMountain View, CA 940401386674869
- Maor Katz, MDMountain View, CA 940401407039571
- Patricia Khoo, M.D.Ione, CA 940401760555452
- Grace Nadolny, MDMountain View, CA 940401255350567
Common questions
What is Mark Janusz Smolenski, M.D.'s NPI number?
Mark Janusz Smolenski, M.D.'s National Provider Identifier (NPI) is 1467571257, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Janusz Smolenski, M.D. located?
The NPPES record lists a practice address at 2500 Hospital Dr Bldg 1, Mountain View, CA, 94040. Phone: (650) 961-4900. Providers update this record themselves, so call before visiting.
How can I verify Mark Janusz Smolenski, M.D.'s license?
NPPES lists California license number G72483, 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 Mark Janusz Smolenski, M.D. prescribe under Medicare Part D?
In 2024, Mark Janusz Smolenski, M.D. had 201 Medicare Part D claims for 17 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.