Maricar Pacquing, DO
Internal Medicine Physician · San Francisco, CA
Maricar Pacquing, DO is an internal medicine physician with a practice address in San Francisco, California, and NPI 1881705978, issued on Aug 31, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maricar Pacquing
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MB07147100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 110 Sutter St, San Francisco, CA 94104
- Phone
- (201) 424-7130
- Enumerated
- Aug 31, 2006
- Record last updated
- Mar 14, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20080321000228); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 110 Sutter St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hearan Choo, M.D.Occupational Medicine Physician1851416846
- Tammie Chow, O.T.Occupational Therapist1427173467
- Daniel Dinenberg, MDFamily Medicine Physician1811169063
- Robert Foster, ROBERT FOSTER, PH.D.Clinical Psychologist1225258411
Verify Maricar Pacquing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average internal medicine physician in 2024
765 Medicare Part D claims for 118 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium59 claims
- Losartan Potassium45 claims
- Amlodipine Besylate34 claims
- Rosuvastatin Calcium30 claims
- Levothyroxine Sodium29 claims
- Simvastatin21 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.
Bills Medicare through one group practice
- One Medical Group IncBurlingame, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maricar Pacquing among 17,696 internal medicine physician records in California
Maricar Pacquing, DO 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1999 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
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Common questions
What is Maricar Pacquing, DO's NPI number?
Maricar Pacquing, DO's National Provider Identifier (NPI) is 1881705978, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maricar Pacquing, DO located?
The NPPES record lists a practice address at 110 Sutter St, San Francisco, CA, 94104. Phone: (201) 424-7130. Providers update this record themselves, so call before visiting.
How can I verify Maricar Pacquing, DO's license?
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 Maricar Pacquing, DO prescribe under Medicare Part D?
In 2024, Maricar Pacquing, DO had 765 Medicare Part D claims for 118 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.