NPPES file of Aug 9, 2026

Stacy J. Schlocker, MD

Internal Medicine Physician · San Diego, CA

Stacy J. Schlocker, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1548468598, issued on Jul 10, 2007. Check the license (California A93488, 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
1548468598
Name
Stacy J. Schlocker
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A93488 CA
Self-reported in NPPES; status is on the state search
Practice location
501 Washington St, San Diego, CA 92103
Phone
(619) 278-3340
Enumerated
Jul 10, 2007
Record last updated
Mar 28, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(619) 278-3310
Medicare enrollment
Enrolled (PECOS I20080716000762); accepts Medicare assignment
Medical or professional school
New York Medical College, 2004
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 501 Washington St

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

  1. Derrick Allen, MDDiagnostic Radiology Physician1215982970
  2. Patrick Blake, MDDermatology Physician1871817312
  3. Lawrence Bogle, M.D.Diagnostic Radiology Physician1467403238
  4. Aracely Bonilla Navarrete, MDInternal Medicine Physician1922208032
  5. Daniel Bressler, M.D.Internal Medicine Physician1700887726
  6. Denise Brownlee, MDPediatrics Physician1073547477

Verify Stacy J. Schlocker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A93488
    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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15% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,699 Medicare Part D claims for 357 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 66 claims were for opioids.

  1. Stacy Schlocker2,699
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium205 claims
  2. Rosuvastatin Calcium175 claims
  3. Atorvastatin Calcium108 claims
  4. Amlodipine Besylate104 claims
  5. Losartan Potassium74 claims
  6. Lisinopril64 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: $311.39

12 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, 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. Stacy Schlocker$311.39
  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.

Bills Medicare through one group practice

  1. Scripps HealthLa Jolla, CA

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

Stacy J. Schlocker among 17,696 internal medicine physician records in California

Stacy J. Schlocker, MD 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 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2004 · median 2004 among the 11,065 with a school on file
  • Record last updated2012 · 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).

961 internal medicine physician records list a practice address in San Diego

They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Hamid Amjadi, DOSan Diego, CA 921031700861333
  2. Donald Brandon, M.D.San Diego, CA 921031740272467
  3. Daniel Bressler, M.D.San Diego, CA 921031700887726
  4. Eric Dahms, M.D.San Diego, CA 921031306808464
  5. Janette Gray, M.D.San Diego, CA 921031295721876
  6. San Hsieh, MDSan Diego, CA 921031851388847
  7. Arthur Kingsbury, M.D.San Diego, CA 921031144216284
  8. Timothy O'Neill, M.D.San Diego, CA 921031831172295

Common questions

What is Stacy J. Schlocker, MD's NPI number?

Stacy J. Schlocker, MD's National Provider Identifier (NPI) is 1548468598, issued on Jul 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stacy J. Schlocker, MD located?

The NPPES record lists a practice address at 501 Washington St, San Diego, CA, 92103. Phone: (619) 278-3340. Providers update this record themselves, so call before visiting.

How can I verify Stacy J. Schlocker, MD's license?

NPPES lists California license number A93488, 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 Stacy J. Schlocker, MD prescribe under Medicare Part D?

In 2024, Stacy J. Schlocker, MD had 2,699 Medicare Part D claims for 357 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.