Johanna D. Larrazabal, MD
Internal Medicine Physician · Williamsburg, VA
Johanna D. Larrazabal, MD is an internal medicine physician with a practice address in Williamsburg, Virginia, and NPI 1588632574, issued on Mar 8, 2006. Check the license (Virginia 0101238426, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Johanna D. Larrazabal
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101238426 VA
Self-reported in NPPES; status is on the state search - Practice location
- 5231 John Tyler Hwy, Williamsburg, VA 23185
- Phone
- (757) 220-8300
- Enumerated
- Mar 8, 2006
- Record last updated
- Aug 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (757) 565-5338
- Medicare enrollment
- Enrolled (PECOS I20051021000162); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 5231 John Tyler Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamey Brown, M.D.Family Medicine Physician1801072368
- Allison Cale, NPFamily Nurse Practitioner1063753812
- Heidi Goo, MDFamily Medicine Physician1427012251
- Jennifer Grundy, MDInternal Medicine Physician1255395240
- Mark Hamra, DOFamily Medicine Physician1669433769
- Heather Pope, FNP-CFamily Nurse Practitioner1669394557
Verify Johanna D. Larrazabal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101238426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,268 Medicare Part D claims for 572 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 272 claims were for opioids.
Most prescribed
- Atorvastatin Calcium422 claims
- Amlodipine Besylate412 claims
- Levothyroxine Sodium364 claims
- Omeprazole251 claims
- Losartan Potassium240 claims
- Gabapentin216 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): 94.1 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: $494.61
16 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Scientific Affairs, LLC. 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 one group practice
- Riverside Physician Services IncWilliamsburg, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johanna D. Larrazabal among 3,599 internal medicine physician records in Virginia
Johanna D. Larrazabal, MD is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2003 among the 2,234 with a school on file
- Record last updated2015 · 53% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 internal medicine physician records list a practice address in Williamsburg
They are 40 of the 1,707 NPPES records with a practice address in Williamsburg, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Williamsburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amy Americo, MDWilliamsburg, VA 231851437168507
- Richard Cullen, MDWilliamsburg, VA 231851629042577
- Jennifer Grundy, MDWilliamsburg, VA 231851255395240
- John Hamrick, MDWilliamsburg, VA 231851215902531
- James Hess, MDWilliamsburg, VA 231851326013244
- David Hundt, MDWilliamsburg, VA 231851053311613
- George Kokolski, DOWilliamsburg, VA 231851275590879
- Richard Kremer, M.D.Williamsburg, VA 231851609906205
Common questions
What is Johanna D. Larrazabal, MD's NPI number?
Johanna D. Larrazabal, MD's National Provider Identifier (NPI) is 1588632574, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Johanna D. Larrazabal, MD located?
The NPPES record lists a practice address at 5231 John Tyler Hwy, Williamsburg, VA, 23185. Phone: (757) 220-8300. Providers update this record themselves, so call before visiting.
How can I verify Johanna D. Larrazabal, MD's license?
NPPES lists Virginia license number 0101238426, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Johanna D. Larrazabal, MD prescribe under Medicare Part D?
In 2024, Johanna D. Larrazabal, MD had 9,268 Medicare Part D claims for 572 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Johanna D. Larrazabal, MD's MIPS final score?
The 2023 MIPS final score is 94.1 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.