Siang L. Lo, DO
Family Medicine Physician · Pacific Grove, CA
Siang L. Lo, DO is a family medicine physician with a practice address in Pacific Grove, California, and NPI 1821146606, issued on Jan 8, 2007. Check the license (California 20A6730, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Siang L. Lo
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A6730 CA
Self-reported in NPPES; status is on the state search - Practice location
- 621 Forest Ave, Pacific Grove, CA 93950
- Phone
- (831) 649-1011
- Enumerated
- Jan 8, 2007
- Record last updated
- Sep 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (831) 373-8201
- Medicare enrollment
- Enrolled (PECOS I20081021000601); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 621 Forest Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrea Fuller, MFTMarriage & Family Therapist1548381569
- Jane Gingerich, L,C.S.W.Clinical Social Worker1174680763
- Martha Gleason, PHDPsychologist1386828432
- Eliot Light, MDFamily Medicine Physician1942382577
Verify Siang L. Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A6730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average family medicine physician in 2024
2,723 Medicare Part D claims for 171 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 81 claims were for opioids.
Most prescribed
- Levothyroxine Sodium191 claims
- Losartan Potassium86 claims
- Gabapentin79 claims
- Amlodipine Besylate78 claims
- Rosuvastatin Calcium76 claims
- Atorvastatin Calcium63 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.
The MIPS final score for 2023 (Medicare payment program): 92.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $39.53
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Pacific Grove Family Medicine IncPacific Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siang L. Lo among 17,133 family medicine physician records in California
Siang L. Lo, DO is one of 17,133 family medicine physician records with a practice address in California. 81% 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 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Pacific Grove
They are 8 of the 217 NPPES records with a practice address in Pacific Grove, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Pacific Grove → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eugene Benjamin, MDPacific Grove, CA 939501639275340
- Gregory Crawford, MDPacific Grove, CA 939501023194545
- Gloria Kalisher, M.D.Pacific Grove, CA 939501326090408
- Eliot Light, MDPacific Grove, CA 939501942382577
- Dale Obrien, MDPacific Grove, CA 939501326051954
- Steven Posson, D.O.Pacific Grove, CA 939501376531897
- Lola Steinbaum, M.D.Pacific Grove, CA 939501568681526
- Eric Allen, M.D.Seaside, CA 939551306892021
Common questions
What is Siang L. Lo, DO's NPI number?
Siang L. Lo, DO's National Provider Identifier (NPI) is 1821146606, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Siang L. Lo, DO located?
The NPPES record lists a practice address at 621 Forest Ave, Pacific Grove, CA, 93950. Phone: (831) 649-1011. Providers update this record themselves, so call before visiting.
How can I verify Siang L. Lo, DO's license?
NPPES lists California license number 20A6730, 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 Siang L. Lo, DO prescribe under Medicare Part D?
In 2024, Siang L. Lo, DO had 2,723 Medicare Part D claims for 171 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Siang L. Lo, DO's MIPS final score?
The 2023 MIPS final score is 92.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.