NPPES file of Aug 9, 2026

Rose Monahan

Allergy & Immunology (Internal Medicine) Physician · San Francisco, CA

Rose Monahan is an allergy & immunology (internal medicine) physician with a practice address in San Francisco, California, and NPI 1518461268, issued on Mar 19, 2018. Check the license (California A164380, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518461268
Name
Rose Monahan
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
License number
A164380 CA
Self-reported in NPPES; status is on the state search
Practice location
400 Parnassus Ave FL 2, San Francisco, CA 94143
Phone
(415) 353-2725
Enumerated
Mar 19, 2018
Record last updated
Jan 10, 2024
Fax
(415) 353-3529
Medicare enrollment
Enrolled (PECOS I20231127001784); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 2018
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 400 Parnassus Ave FL 2

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

  1. Rachel BystritskyInfectious Disease Physician1194081984
  2. Kelli CochranNurse Practitioner1093307878
  3. Gerd Cropp, M.D.Pediatric Pulmonology Physician1851497960
  4. John Fangman, MDInfectious Disease Physician1881645737
  5. Natalie Fong, NPAcute Care Nurse Practitioner1881317451
  6. Patricia Freeman, PASurgical Physician Assistant1396751764

Verify Rose Monahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A164380
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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85% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024

116 Medicare Part D claims for 51 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Rose Monahan116
  2. Specialty average789

Most prescribed

  1. Azelastine Hcl28 claims
  2. Fluticasone Propionate13 claims
  3. Montelukast Sodium11 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): 74.5 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.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $32.03

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 321 providers of this specialty with any payment received $7,456.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rose Monahan$32.03
  2. Specialty average$7,456.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Regents OF The University OF CaliforniaSan Francisco, CA
  2. Ucsf Medical Group Business ServicesBurlingame, CA
  3. University OF California San FranciscoSan Francisco, CA

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

Rose Monahan among 81 allergy & immunology (internal medicine) physician records in California

Rose Monahan is one of 81 allergy & immunology (internal medicine) physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.

  • NPI issued2018 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2018 · median 2010 among the 46 with a school on file
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology (Internal Medicine) Physician providers in California

There are 81 allergy & immunology (internal medicine) physician records in California.

The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes

  1. Anna LangSan Francisco, CA 941431235556432
  2. Iris Otani, M.D.San Francisco, CA 941431285925990
  3. Michele Pham, M.D.San Francisco, CA 941431194169300
  4. Kavitha ThiagarajanSan Francisco, CA 941431528695707
  5. Lulu TsaoSan Francisco, CA 941431780047779
  6. Warner Greene, M.D., PH.D.San Francisco, CA 941581528403797
  7. Lynn Spitler, MDSan Francisco, CA 941171588867535
  8. Von Nguyen, MDSan Francisco, CA 941151174815815

Common questions

What is Rose Monahan's NPI number?

Rose Monahan's National Provider Identifier (NPI) is 1518461268, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Rose Monahan located?

The NPPES record lists a practice address at 400 Parnassus Ave FL 2, San Francisco, CA, 94143. Phone: (415) 353-2725. Providers update this record themselves, so call before visiting.

How can I verify Rose Monahan's license?

NPPES lists California license number A164380, 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 Rose Monahan prescribe under Medicare Part D?

In 2024, Rose Monahan had 116 Medicare Part D claims for 51 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. Part D covers Medicare prescriptions only.

What is Rose Monahan's MIPS final score?

The 2023 MIPS final score is 74.5 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.