Tricia E. Markusen, MD
Obstetrics & Gynecology Physician · Monterey, CA
Tricia E. Markusen, MD is an obstetrics & gynecology physician with a practice address in Monterey, California, and NPI 1912908955, issued on Aug 1, 2005. Check the license (California A64635, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tricia E. Markusen
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A64635 CA
Self-reported in NPPES; status is on the state search - Practice location
- 889 Pacific St, Monterey, CA 93940
- Phone
- (831) 649-0175
- Enumerated
- Aug 1, 2005
- Record last updated
- Aug 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (831) 646-0220
- Medicare enrollment
- Enrolled (PECOS I20080325000698); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 889 Pacific St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Holt, DNPWomen's Health Nurse Practitioner1780714675
- Donelle Laughlin, MDObstetrics & Gynecology Physician1336140656
Verify Tricia E. Markusen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.7 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
1,430 Medicare Part D claims for 367 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Estradiol243 claims
- Progesterone95 claims
- Estradiol (Once Weekly)78 claims
- Clotrimazole-Betamethasone73 claims
- Valacyclovir66 claims
- Estradiol (Twice Weekly)65 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: $364.94
21 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
Other obstetrics & gynecology physician records in California
- Ingrid Aalami, MDSan Jose, CA1952376550
- Avisa Abaian- Eagar, M.D.Orange, CA1316057755
- Derek Abbassi, MDWalnut Creek, CA1841364155
- Ahmed Abdelaziz, MDSanta Maria, CA1790039733
- Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
- Nicole Abell, DOVentura, CA1811243603
- Zachary AbelsonLos Angeles, CA1689237414
- Ray Abinader, M.D.Loma Linda, CA1770901548
- Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
- Nada Abou-HaibaLos Angeles, CA1134067549
Common questions
What is Tricia E. Markusen, MD's NPI number?
Tricia E. Markusen, MD's National Provider Identifier (NPI) is 1912908955, issued on Aug 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Tricia E. Markusen, MD located?
The NPPES record lists a practice address at 889 Pacific St, Monterey, CA, 93940. Phone: (831) 649-0175. Providers update this record themselves, so call before visiting.
How can I verify Tricia E. Markusen, MD's license?
NPPES lists California license number A64635, 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 Tricia E. Markusen, MD prescribe under Medicare Part D?
In 2024, Tricia E. Markusen, MD had 1,430 Medicare Part D claims for 367 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Tricia E. Markusen, MD'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.