Erin Kathleen Murphy, DO
Critical Care Medicine (Internal Medicine) Physician · Santa Maria, CA
Erin Kathleen Murphy, DO is a critical care medicine (internal medicine) physician with a practice address in Santa Maria, California, and NPI 1972995835, issued on Mar 2, 2015. Check the license (California 20A18889, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erin Kathleen Murphy
- Credential
- DO
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 20A18889 CA
Self-reported in NPPES; status is on the state search - Practice location
- 504 Plaza Dr Ste 204, Santa Maria, CA 93454
- Phone
- (805) 739-3877
- Enumerated
- Mar 2, 2015
- Record last updated
- Mar 27, 2025
- Fax
- (805) 346-3539
- Medicare enrollment
- Enrolled (PECOS I20211022002060); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Verify Erin Kathleen Murphy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A18889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average critical care medicine (internal medicine) physician in 2024
2,067 Medicare Part D claims for 364 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims. 25 claims were for opioids.
Most prescribed
- Trelegy Ellipta428 claims
- Albuterol Sulfate Hfa272 claims
- Ipratropium Bromide137 claims
- Montelukast Sodium100 claims
- Azithromycin79 claims
- Prednisone73 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): 96.5 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: $756.43
21 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,708 providers of this specialty with any payment received $2,958.68 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
- Pacific Central Coast Health CentersSanta Maria, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin Kathleen Murphy among 723 critical care medicine (internal medicine) physician records in California
Erin Kathleen Murphy, DO is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.
- NPI issued2015 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2015 · median 2005 among the 559 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Santa Maria → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Barry Feldman, MDSanta Maria, CA 934541083672653
- Robert Hinds, D.O.Santa Maria, CA 934541619072964
- G. Zacharia Reagle, D.O.Santa Maria, CA 934541447489893
- Baljinder Sidhu, M.D.Santa Maria, CA 934541558501064
- Eric Suess, MDSanta Maria, CA 934541518166222
- Edgar Guzman-Suarez, M.D.Palmdale, CA 935511235526427
- Bachar Botrus, MDBakersfield, CA 933091497374680
- Igor Garcia-Pacheco, M.D.Bakersfield, CA 933091770635690
Common questions
What is Erin Kathleen Murphy, DO's NPI number?
Erin Kathleen Murphy, DO's National Provider Identifier (NPI) is 1972995835, issued on Mar 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Erin Kathleen Murphy, DO located?
The NPPES record lists a practice address at 504 Plaza Dr Ste 204, Santa Maria, CA, 93454. Phone: (805) 739-3877. Providers update this record themselves, so call before visiting.
How can I verify Erin Kathleen Murphy, DO's license?
NPPES lists California license number 20A18889, 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 Erin Kathleen Murphy, DO prescribe under Medicare Part D?
In 2024, Erin Kathleen Murphy, DO had 2,067 Medicare Part D claims for 364 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Erin Kathleen Murphy, DO's MIPS final score?
The 2023 MIPS final score is 96.5 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.