Janie Gia-Lin Weng Grumley, MD
Surgery Physician · Santa Monica, CA
Janie Gia-Lin Weng Grumley, MD is a surgery physician with a practice address in Santa Monica, California, and NPI 1063616142, issued on Jun 13, 2007. Check the license (California A97413, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janie Gia-Lin Weng Grumley
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- A97413 CA
MD60223684 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2121 Santa Monica Blvd, Santa Monica, CA 90404
- Phone
- (310) 582-7100
- Enumerated
- Jun 13, 2007
- Record last updated
- Jan 25, 2024
- Fax
- (310) 829-8914
- Medicaid ID
- 1063616142 WA
- Medicare enrollment
- Enrolled (PECOS I20180815000976); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 2121 Santa Monica Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anabelle AhdootRegistered Dietitian1396283263
- Katiuscha Almeida Merath Reis, MDSurgery Physician1861055626
- Sandra Andrews, RD, CDERegistered Dietitian1427347954
- Maia Aronson, P.A.Physician Assistant1861762882
- Daniel ArtensteinStudent in an Organized Health Care Education/Training Program1023402310
- Bita Azizi, RDRegistered Dietitian1861797839
Verify Janie Gia-Lin Weng Grumley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A97413Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average surgery physician in 2024
18 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $1,691.67
19 payments; by number, the most common kind was food and beverage; the largest payer was Endomagnetics Ltd. The 17,103 providers of this specialty with any payment received $3,513.80 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 one group practice
- Providence Saint Johns Medical FoundationBurbank, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janie Gia-Lin Weng Grumley among 3,118 surgery physician records in California
Janie Gia-Lin Weng Grumley, MD is one of 3,118 surgery physician records with a practice address in California. 75% 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 45% of them.
- NPI issued2007 · 45% of these records are older, 42% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2005 · median 2003 among the 1,901 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Santa Monica → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Umesh Bhagia, MDSanta Monica, CA 904041568468528
- Charles Chandler, MDSanta Monica, CA 904041295842771
- David Chen, M.D.Santa Monica, CA 904041760630057
- Tracey Childs, MDSanta Monica, CA 904041114999489
- Harvey Deutsch, M.D.Santa Monica, CA 904041326102112
- Melanie Goldfarb, MDSanta Monica, CA 904041306092564
- William Hutchinson, MDSanta Monica, CA 904041770653305
- Stephen KuchenbeckerSanta Monica, CA 904041023094984
Common questions
What is Janie Gia-Lin Weng Grumley, MD's NPI number?
Janie Gia-Lin Weng Grumley, MD's National Provider Identifier (NPI) is 1063616142, issued on Jun 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Janie Gia-Lin Weng Grumley, MD located?
The NPPES record lists a practice address at 2121 Santa Monica Blvd, Santa Monica, CA, 90404. Phone: (310) 582-7100. Providers update this record themselves, so call before visiting.
How can I verify Janie Gia-Lin Weng Grumley, MD's license?
NPPES lists California license number A97413, 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 Janie Gia-Lin Weng Grumley, MD prescribe under Medicare Part D?
In 2024, Janie Gia-Lin Weng Grumley, MD had 18 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.