Marylou Romo-Gritzewsky, M.D.
Internal Medicine Physician · Freedom, CA
Marylou Romo-Gritzewsky, M.D. is an internal medicine physician with a practice address in Freedom, California, and NPI 1790795730, issued on Aug 9, 2006. Check the license (California A76531, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marylou Romo-Gritzewsky
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A76531 CA
Self-reported in NPPES; status is on the state search - Practice location
- 268 Green Valley RD, Freedom, CA 95019
- Phone
- (831) 728-0440
- Enumerated
- Aug 9, 2006
- Record last updated
- Nov 7, 2023
- Fax
- (831) 728-4293
- Medicaid ID
- 00A765310 CA
- Medicare enrollment
- Enrolled (PECOS I20061206000355); accepts Medicare assignment
- 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 268 Green Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Gallagher, M.D.Family Medicine Physician1427163930
- Jeric Villaruz, MDInternal Medicine Physician1457333700
Verify Marylou Romo-Gritzewsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A76531Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average internal medicine physician in 2024
12,609 Medicare Part D claims for 819 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 401 claims were for opioids.
Most prescribed
- Levothyroxine Sodium520 claims
- Atorvastatin Calcium500 claims
- Amlodipine Besylate462 claims
- Gabapentin387 claims
- Metformin Hcl374 claims
- Jardiance329 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): 85.5 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: $3,321.40
133 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Monterey Hospitalist Medical GroupMonterey, CA
- Solomon Medical IncMonterey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marylou Romo-Gritzewsky among 17,696 internal medicine physician records in California
Marylou Romo-Gritzewsky, M.D. 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
- Graduated1994 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 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).
4 internal medicine physician records list a practice address in Freedom
They are 4 of the 90 NPPES records with a practice address in Freedom, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Freedom → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Prabodh Rathi, MDFreedom, CA 950191942449780
- Francisco Ravago, MDFreedom, CA 950191447233622
- Jeric Villaruz, MDFreedom, CA 950191457333700
- Vasumitha Alamelu, MDGilroy, CA 950201194801613
- Robert Biggs, MDGilroy, CA 950201770669277
- James Frankfort, MDGilroy, CA 950201497975189
- Siri Chand Khalsa, MDGilroy, CA 950201982687828
- Sunita Lalwani, MDGilroy, CA 950201588740096
Common questions
What is Marylou Romo-Gritzewsky, M.D.'s NPI number?
Marylou Romo-Gritzewsky, M.D.'s National Provider Identifier (NPI) is 1790795730, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marylou Romo-Gritzewsky, M.D. located?
The NPPES record lists a practice address at 268 Green Valley RD, Freedom, CA, 95019. Phone: (831) 728-0440. Providers update this record themselves, so call before visiting.
How can I verify Marylou Romo-Gritzewsky, M.D.'s license?
NPPES lists California license number A76531, 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 Marylou Romo-Gritzewsky, M.D. prescribe under Medicare Part D?
In 2024, Marylou Romo-Gritzewsky, M.D. had 12,609 Medicare Part D claims for 819 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Marylou Romo-Gritzewsky, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.5 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.