Nancy A. Baker, MD
Neurology Physician · Loma Linda, CA
Nancy A. Baker, MD is a neurology physician with a practice address in Loma Linda, California, and NPI 1194085860, issued on May 29, 2012. Check the license (California A143857, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nancy A. Baker
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A143857 CA
Self-reported in NPPES; status is on the state search - Practice location
- Loma Linda University, Loma Linda, CA 92354
- Phone
- (909) 558-4907
- Enumerated
- May 29, 2012
- Record last updated
- Aug 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200630002007); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at Loma Linda University
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nancy A. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143857Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average neurology physician in 2024
647 Medicare Part D claims for 149 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Gabapentin130 claims
- Pregabalin88 claims
- Gammagard Liquid51 claims
- Pyridostigmine Bromide40 claims
- Baclofen35 claims
- Duloxetine Hcl35 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 practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $25.84
1 payment: food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
- Sac Health SystemSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy A. Baker among 2,339 neurology physician records in California
Nancy A. Baker, MD is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2012 · median 2006 among the 1,628 with a school on file
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Loma Linda → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Carmel Armon, MDLoma Linda, CA 923541295835916
- Jeffrey Bounds, M.D.Loma Linda, CA 923541487684536
- Khashayar Dashtipour, M.D.Loma Linda, CA 923541053358457
- Rodolfo Escutin, M.D.Loma Linda, CA 923541457387144
- Karen Frei, M.D.Loma Linda, CA 923541902836141
- Daniel Giang, M.D.Loma Linda, CA 923541568492635
- Gerald Lim, M.D.Loma Linda, CA 923541437189453
- Travis Losey, M.D.Loma Linda, CA 923541356530208
Common questions
What is Nancy A. Baker, MD's NPI number?
Nancy A. Baker, MD's National Provider Identifier (NPI) is 1194085860, issued on May 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Nancy A. Baker, MD located?
The NPPES record lists a practice address at Loma Linda University, Loma Linda, CA, 92354. Phone: (909) 558-4907. Providers update this record themselves, so call before visiting.
How can I verify Nancy A. Baker, MD's license?
NPPES lists California license number A143857, 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 Nancy A. Baker, MD prescribe under Medicare Part D?
In 2024, Nancy A. Baker, MD had 647 Medicare Part D claims for 149 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Nancy A. Baker, MD's MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. 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.