Cathlin Milligan, M D
Internal Medicine Physician · San Francisco, CA
Cathlin Milligan, M D is an internal medicine physician with a practice address in San Francisco, California, and NPI 1841311479, issued on Apr 2, 2007. Check the license (California G67258, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cathlin Milligan
- Credential
- M D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G67258 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2340 Clay St FL 6, San Francisco, CA 94115
- Phone
- (415) 674-5200
- Enumerated
- Apr 2, 2007
- Record last updated
- Apr 16, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (415) 600-3705
- Medicare enrollment
- Enrolled (PECOS I20080116000547); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2340 Clay St FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeanette Blanks, NPFamily Nurse Practitioner1710563713
- Alicia Chang, NPFamily Nurse Practitioner1376245100
- Samantha Clem, PA-CPhysician Assistant1063818334
- Alicia Connor, R.D.Registered Dietitian1861927808
- James Davis, M.D.Specialist1811017254
- Anita Demas, M.D.Internal Medicine Physician1174646012
Verify Cathlin Milligan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G67258Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 63% of the cost of the top drugs
2,079 Medicare Part D claims for 316 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Atorvastatin Calcium268 claims
- Losartan Potassium159 claims
- Levothyroxine Sodium128 claims
- Lisinopril126 claims
- Rosuvastatin Calcium104 claims
- Amlodipine Besylate103 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): 96.9 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: $109.60
5 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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 2 group practices
- MD Weight Management IncSan Francisco, CA
- Pacific Heights Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cathlin Milligan among 17,696 internal medicine physician records in California
Cathlin Milligan, M D is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1987 · median 2004 among the 11,065 with a school on file
- Record last updated2014 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Sarita Dubey, MDSan Francisco, CA 941151316905466
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Common questions
What is Cathlin Milligan, M D's NPI number?
Cathlin Milligan, M D's National Provider Identifier (NPI) is 1841311479, issued on Apr 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cathlin Milligan, M D located?
The NPPES record lists a practice address at 2340 Clay St FL 6, San Francisco, CA, 94115. Phone: (415) 674-5200. Providers update this record themselves, so call before visiting.
How can I verify Cathlin Milligan, M D's license?
NPPES lists California license number G67258, 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 Cathlin Milligan, M D prescribe under Medicare Part D?
In 2024, Cathlin Milligan, M D had 2,079 Medicare Part D claims for 316 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Cathlin Milligan, M D's MIPS final score?
The 2023 MIPS final score is 96.9 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.