Dr. Lily M. Tan, MD
- Part D claims, 2024
- 65
- Industry payments
- $2,374
- Affiliated sites
- 2
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 2238 Geary Blvd, San Francisco, CA 94115
- Practice phone
- Call (415) 833-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Francisco Medical Center - Mammography
Mammography / Breast Imaging Center · San Francisco, California
Find Dr. Tan's professional email, personal email and mobile number
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Dr. Lily M. Tan is an OB-GYN in San Francisco, California
Dr. Tan practices at San Francisco Medical Center - Mammography in San Francisco, California.
Dr. Tan's NPI, 1437237062, was assigned on November 1, 2006. Dr. Tan graduated from Albany Medical College in 1995. Dr. Tan holds California license A62835.
- NPI
- 1437237062NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022028844
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 833-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lily M. Tan practices at San Francisco Medical Center - Mammography in San Francisco, California
Dr. Tan's primary practice is San Francisco Medical Center - Mammography, at 2238 Geary Blvd, San Francisco, CA 94115. The practice phone is (415) 833-3700.
- San Francisco Medical Center - Mammography2238 Geary Blvd, San Francisco, CA 94115Phone(415) 833-3700
Source: Dmand AI Affiliation Data
Dr. Lily M. Tan is affiliated with 2 sites of care and 1 medical group
Dr. Tan's primary practice is San Francisco Medical Center - Mammography in San Francisco, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Tan to 1 more group practice or clinic, named with a free account. Dr. Tan's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lily M. Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Francisco Medical Center - Mammography | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lily M. Tan is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Tan's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Tan is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Tan is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Tan
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Lily M. Tan's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Tan's median patient age at 47, with 98% women.
Dr. Tan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women98%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Lily M. Tan wrote 65 Medicare Part D claims in 2024
In 2024, Dr. Tan wrote 65 Medicare Part D claims for 25 patients. 71% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $492 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Dr. Tan's Part D claims by kind of drug, 2024
- Generic46 claims71%
- Brand-name19 claims29%
Dr. Tan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 152024: 1713%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Lily M. Tan takes part in Medicare
Dr. Tan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Lily M. Tan received $2,374 in industry payments from 2016 to 2023
CMS Open Payments shows 15 general payments to Dr. Tan from 6 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 62% of the total. Hologic Inc paid the most, $1,945.
General payments to Dr. Tan by program year, 2016 to 2023
General payments to Dr. Tan by kind, 2016 to 2023
- Travel and lodging$1,47562%
- Food and beverage$89938%
Companies that paid Dr. Tan the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lily M. Tan has 1 award and honors on record
Dmand AI lists 1 award for Dr. Tan, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Tan
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Lily M. Tan graduated from Albany Medical College
Dr. Tan graduated from Albany Medical College in 1995.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Lily M. Tan accepts plans from 2 insurance carriers
Dr. Tan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Tan accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lily M. Tan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Lily M. Tan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Lily M. Tan's NPI number?
Dr. Lily M. Tan's NPI number is 1437237062. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lily M. Tan?
Dr. Lily M. Tan is an OB-GYN in San Francisco, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Lily M. Tan practice?
Dr. Tan practices at 2238 Geary Blvd, San Francisco, CA 94115. Dr. Tan's primary practice is San Francisco Medical Center - Mammography in San Francisco, California. Dmand AI also links Dr. Tan to 1 group practice or clinic.
What is Dr. Lily M. Tan's office phone number?
The practice phone on file for Dr. Tan is (415) 833-3700.
What is Dr. Lily M. Tan's medical license number?
Dr. Tan holds California license A62835.
What medical group is Dr. Lily M. Tan part of?
Dr. Tan is linked to The Permanente Medical Group, Inc.
Does Dr. Lily M. Tan accept Medicare?
Yes. CMS lists Dr. Tan as accepting Medicare assignment.
Is Dr. Lily M. Tan board certified?
Yes. Dr. Tan is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Lily M. Tan go to medical school?
Dr. Tan graduated from Albany Medical College in 1995.
What drugs does Dr. Lily M. Tan prescribe most?
In 2024 Medicare Part D data, Dr. Tan's most prescribed drugs by claims were Estradiol.
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Has Dr. Lily M. Tan received payments from drug or device companies?
CMS Open Payments shows $2,374 in general payments to Dr. Tan from 6 companies from 2016 to 2023. The largest total came from Hologic Inc.
How long has Dr. Lily M. Tan been practicing?
Dr. Tan graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Lily M. Tan accept?
Dr. Tan is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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