NPPES file of Aug 9, 2026

Maria Andrae-Hammond, M.D.

Internal Medicine Physician · Orinda, CA

Maria Andrae-Hammond, M.D. is an internal medicine physician with a practice address in Orinda, California, and NPI 1942579115, issued on Dec 17, 2011. Check the license (California A118226, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942579115
Name
Maria Andrae-Hammond
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A118226 CA
Self-reported in NPPES; status is on the state search
Practice location
140 Brookwood RD, Orinda, CA 94563
Phone
(925) 254-9090
Enumerated
Dec 17, 2011
Record last updated
Mar 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120924000442); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 140 Brookwood RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michelle Bricker, M.D.Internal Medicine Physician1952353963
  2. Sandra Goldstein, M.D.Internal Medicine Physician1467496984
  3. Michele Herman, M.D.Internal Medicine Physician1588600753
  4. Anita Krishnamurthy, M.D.Internal Medicine Physician1811973092
  5. Michelle Ong, M.D.Internal Medicine Physician1871671594
  6. Vyjayanti Ramaswamy, M.D.Internal Medicine Physician1730110784

Verify Maria Andrae-Hammond in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A118226
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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30% more Medicare Part D claims than the average internal medicine physician in 2024

4,116 Medicare Part D claims for 474 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Maria Andrae-Hammond4,116
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium337 claims
  2. Rosuvastatin Calcium331 claims
  3. Levothyroxine Sodium245 claims
  4. Amlodipine Besylate218 claims
  5. Losartan Potassium214 claims
  6. Lisinopril132 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.

Industry payments in 2024: $79.30

3 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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.

  1. Maria Andrae-Hammond$79.30
  2. Specialty average$1,303.06

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

  1. John Muir Physician NetworkOrinda, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

21 internal medicine physician records list a practice address in Orinda

They are 21 of the 278 NPPES records with a practice address in Orinda, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Maria Andrae-Hammond, M.D.'s NPI number?

Maria Andrae-Hammond, M.D.'s National Provider Identifier (NPI) is 1942579115, issued on Dec 17, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Maria Andrae-Hammond, M.D. located?

The NPPES record lists a practice address at 140 Brookwood RD, Orinda, CA, 94563. Phone: (925) 254-9090. Providers update this record themselves, so call before visiting.

How can I verify Maria Andrae-Hammond, M.D.'s license?

NPPES lists California license number A118226, 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 Maria Andrae-Hammond, M.D. prescribe under Medicare Part D?

In 2024, Maria Andrae-Hammond, M.D. had 4,116 Medicare Part D claims for 474 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.