Jaclyn Colleen Spiegel, MD
Hospitalist Physician · Sylmar, CA
Jaclyn Colleen Spiegel, MD is a hospitalist physician with a practice address in Sylmar, California, and NPI 1427323591, issued on Mar 21, 2012. Check the license (California A134017, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jaclyn Colleen Spiegel
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- A134017 CA
111312 GA
Self-reported in NPPES; status is on the state search - Practice location
- 14445 Olive View Dr, Sylmar, CA 91342
- Phone
- (747) 210-8635
- Enumerated
- Mar 21, 2012
- Record last updated
- May 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20260427002572); may accept Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 14445 Olive View Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Margarita Acosta, RN, AGACNPAcute Care Nurse Practitioner1609202415
- Fredric Adler, MDInternal Medicine Physician1356376735
Verify Jaclyn Colleen Spiegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A134017Check 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 hospitalist physician in 2024
40 Medicare Part D claims for 17 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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: $125.38
1 payment: food and beverage; the largest payer was Janssen Scientific Affairs, LLC. The 7,324 providers of this specialty with any payment received $494.84 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.
Jaclyn Colleen Spiegel among 3,099 hospitalist physician records in California
Jaclyn Colleen Spiegel, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 51% of them.
- NPI issued2012 · 51% of these records are older, 44% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2012 · median 2010 among the 2,505 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Sylmar → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Alvera Akroush, M.D.Sylmar, CA 913421730315359
- Lex Chen, M.D.Sylmar, CA 913421265607956
- Christine Dang, M.D.Sylmar, CA 913421669648192
- Tavit Dunnsiri, MDSylmar, CA 913421649899477
- Therlinder Lo, MDSylmar, CA 913421912585795
- Glen Pearlstein, M.D.Sylmar, CA 913421851558837
- Erfan Zarrinkhoo, MDSylmar, CA 913421568081966
- Ali Azizi, M.D.Mission Hills, CA 913451225234529
Common questions
What is Jaclyn Colleen Spiegel, MD's NPI number?
Jaclyn Colleen Spiegel, MD's National Provider Identifier (NPI) is 1427323591, issued on Mar 21, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Jaclyn Colleen Spiegel, MD located?
The NPPES record lists a practice address at 14445 Olive View Dr, Sylmar, CA, 91342. Phone: (747) 210-8635. Providers update this record themselves, so call before visiting.
How can I verify Jaclyn Colleen Spiegel, MD's license?
NPPES lists California license number A134017, 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 Jaclyn Colleen Spiegel, MD prescribe under Medicare Part D?
In 2024, Jaclyn Colleen Spiegel, MD had 40 Medicare Part D claims for 17 beneficiaries; the average among hospitalist physician prescribers was 521. 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.