Tammy Wong
Sleep Medicine (Family Medicine) Physician · Orange, CA
Tammy Wong is a sleep medicine (family medicine) physician with a practice address in Orange, California, and NPI 1346744414, issued on Mar 22, 2018. Check the license (California A163917, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tammy Wong
- Primary taxonomy
- Sleep Medicine (Family Medicine) Physician 207QS1201X
- License number
- A163917 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 456-2986
- Enumerated
- Mar 22, 2018
- Record last updated
- Jun 18, 2026
- Medicare enrollment
- Enrolled (PECOS I20220919001512); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (family medicine) physician records → All 35 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abad, PAPhysician Assistant1477158673
- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify Tammy Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163917Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average sleep medicine (family medicine) physician in 2024
394 Medicare Part D claims for 70 beneficiaries, against an average of 718 among the 211 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Belsomra50 claims
- Zolpidem Tartrate33 claims
- Zaleplon29 claims
- Eszopiclone28 claims
- Gabapentin28 claims
- Modafinil25 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: $514.14
13 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 171 providers of this specialty with any payment received $4,214.24 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.
Bills Medicare through 2 group practices
- UC RegentsOrange, CA
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tammy Wong among 35 sleep medicine (family medicine) physician records in California
Tammy Wong is one of 35 sleep medicine (family medicine) physician records with a practice address in California. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 69% of them.
- NPI issued2018 · 69% of these records are older, 23% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2018 · median 2013 among the 24 with a school on file
- Record last updated2026 · 17% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QS1201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Family Medicine) Physician providers in California
There are 35 sleep medicine (family medicine) physician records in California.
All 35 in California → Every provider in Orange → Sleep Medicine (Family Medicine) Physician nationwide →
The 8 sleep medicine (family medicine) physician records with the nearest ZIP codes
- Meneena Bright, MDNewport Beach, CA 926631174186506
- Gary Feldman, M.B.CHBIrvine, CA 926041891715009
- Talha Memon, M.D.Murrieta, CA 925631922410869
- Timothy Wong, DOLoma Linda, CA 923541992091623
- Noemi Arroyo ArroyoFontana, CA 923351053250696
- Dana Awad, MDFontana, CA 923351568041028
- Anupamjeet Sekhon, M.D.Fontana, CA 923351174055842
- Valentin Nuzhny, M.D.Mecca, CA 922541760918734
Common questions
What is Tammy Wong's NPI number?
Tammy Wong's National Provider Identifier (NPI) is 1346744414, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Wong located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-2986. Providers update this record themselves, so call before visiting.
How can I verify Tammy Wong's license?
NPPES lists California license number A163917, 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 Tammy Wong prescribe under Medicare Part D?
In 2024, Tammy Wong had 394 Medicare Part D claims for 70 beneficiaries; the average among sleep medicine (family medicine) physician prescribers was 718. 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.