NPPES file of Aug 9, 2026

Stacey M. Hein, INTERNAL MEDICINE

Internal Medicine Physician · Los Gatos, CA

Stacey M. Hein, INTERNAL MEDICINE is an internal medicine physician with a practice address in Los Gatos, California, and NPI 1568429983, issued on Apr 28, 2006. Check the license (California 770491483, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568429983
Name
Stacey M. Hein
Credential
INTERNAL MEDICINE
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
770491483 CA
Self-reported in NPPES; status is on the state search
Practice location
15215 National Ave, Los Gatos, CA 95032
Phone
(408) 358-1841
Enumerated
Apr 28, 2006
Record last updated
Jul 9, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(408) 356-2151
Medicare enrollment
Enrolled (PECOS I20100915000841); accepts Medicare assignment
Medical or professional school
Medical College Of Pennsylvania, 1995
Telehealth
Offers telehealth (CMS)
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 15215 National Ave

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

  1. Richard Bobis, M.D.Internal Medicine Physician1407813843
  2. Krista Clinton, DPTPhysical Therapist1215188396
  3. Darryl Hein, M.D.Internal Medicine Physician1124077227
  4. Linda Lu, M.D.Geriatric Medicine (Internal Medicine) Physician1659546596
  5. Kathryn Meeks, P.T.Physical Therapist1134426885
  6. Philip Miller, MDEndocrinology, Diabetes & Metabolism Physician1801138276

Verify Stacey M. Hein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 770491483
    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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32% more Medicare Part D claims than the average internal medicine physician in 2024

4,194 Medicare Part D claims for 237 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 60 claims were for opioids.

  1. Stacey Hein4,194
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium187 claims
  2. Levothyroxine Sodium151 claims
  3. Simvastatin127 claims
  4. Amlodipine Besylate108 claims
  5. Rosuvastatin Calcium107 claims
  6. Sertraline Hcl98 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $430.57

21 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stacey Hein$430.57
  2. Specialty average$1,303.06

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

Stacey M. Hein among 17,696 internal medicine physician records in California

Stacey M. Hein, INTERNAL MEDICINE is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1995 · median 2004 among the 11,065 with a school on file
  • Record last updated2010 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

47 internal medicine physician records list a practice address in Los Gatos

They are 47 of the 1,905 NPPES records with a practice address in Los Gatos, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mandeep Ayer, M.D.Los Gatos, CA 950321205817111
  2. Gopi Ayer, M.D.Los Gatos, CA 950321396701512
  3. Richard Bobis, M.D.Los Gatos, CA 950321407813843
  4. Edward Brooks, MDLos Gatos, CA 950321831162338
  5. Andrew Chi, MD MPHLos Gatos, CA 950321700861275
  6. Jane Chien, MDLos Gatos, CA 950321588620785
  7. Linda Eglin, MDLos Gatos, CA 950321144223611
  8. Darryl Hein, M.D.Los Gatos, CA 950321124077227

Common questions

What is Stacey M. Hein, INTERNAL MEDICINE's NPI number?

Stacey M. Hein, INTERNAL MEDICINE's National Provider Identifier (NPI) is 1568429983, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stacey M. Hein, INTERNAL MEDICINE located?

The NPPES record lists a practice address at 15215 National Ave, Los Gatos, CA, 95032. Phone: (408) 358-1841. Providers update this record themselves, so call before visiting.

How can I verify Stacey M. Hein, INTERNAL MEDICINE's license?

NPPES lists California license number 770491483, 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 Stacey M. Hein, INTERNAL MEDICINE prescribe under Medicare Part D?

In 2024, Stacey M. Hein, INTERNAL MEDICINE had 4,194 Medicare Part D claims for 237 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Stacey M. Hein, INTERNAL MEDICINE's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.