Dr. Natasha Phan, MD

  • Walnut Creek, CA
  • Internist
NPI1669406005
Part D claims, 2021
14
Industry payments
$203
Affiliated sites
1
Insurance carriers
2
State license
1
Practice address
7788 Dublin Blvd, Dublin, CA 94568-2923
Practice phone
Call (925) 829-9888
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Premier Health Care

Physician office · Dublin, California

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Dr. Natasha Phan is an internist in Walnut Creek, California

Dr. Phan practices at Premier Health Care in Dublin, California.

Dr. Phan's NPI, 1669406005, was assigned on July 10, 2006. Dr. Phan graduated from Howard University College Of Medicine in 1995. Dr. Phan holds California license A062915.

NPI and contact details
NPI enumeration date
July 10, 2006
NPI status
Active
Practice phone
(925) 829-9888
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Natasha Phan practices in Dublin and Walnut Creek

Dr. Phan's primary practice is Premier Health Care, at 7788 Dublin Blvd, Dublin, CA 94568-2923. The practice phone is (925) 829-9888. The NPI Registry lists Dr. Phan's practice address as 108 La Casa Via, Walnut Creek, CA 94598.

  • Premier Health CarePrimary
    7788 Dublin Blvd, Dublin, CA 94568-2923Phone(925) 829-9888
  • NPI Registry address
    108 La Casa Via, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 829-9888

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Natasha Phan is affiliated with 1 site of care

Dr. Phan's primary practice is Premier Health Care in Dublin, California.

Premier Health CarePhysician office · Dublin, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Natasha Phan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Premier Health CareAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Natasha Phan is one of 16,751 internists in California

Internal medicine is Dr. Phan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Phan is board certified in internal medicine by the American Board of Internal Medicine. Dr. Phan is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A062915 · 1997 to 2027 · taxonomy 207R00000X

Internists near Dr. Phan

Counts of internists 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. Natasha Phan's patients have a median age of 80

Across all payers, Dmand AI patient panel data puts Dr. Phan's median patient age at 80, with 100% women.

Dr. Phan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 80

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Natasha Phan wrote 14 Medicare Part D claims in 2021

In 2021, Dr. Phan wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $245 in total drug cost. In 2019, CMS named 25 claims across 2 drugs.

Part D claims, 202114
Drugs named by CMS1
Total drug cost$245

Dr. Phan's most prescribed drugs by claims, 2021

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, 2019 to 2021

  • 2019
  • 2021
Claims for drugs CMS names
2019: 252021: 1444%

Drugs named by CMS: 1 in 2021, 2 in 2019.

See all prescribing by Dr. Phan

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Natasha Phan received $203 in industry payments from 2016 to 2023

CMS Open Payments shows 5 general payments to Dr. Phan from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Daiichi Sankyo Inc. paid the most, $125.

General payments to Dr. Phan by program year, 2016 to 2023

Companies that paid Dr. Phan the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Phan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Natasha Phan graduated from Howard University College Of Medicine

Dr. Phan graduated from Howard University College Of Medicine in 1995.

  1. Medical schoolHoward University College Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. Natasha Phan accepts plans from 2 insurance carriers

Dr. Phan is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Massachusetts
  • HCSC

Plan types Dr. Phan accepts, by number of carriers

  1. Medicare2
  2. PPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Natasha Phan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Natasha Phan

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. Natasha Phan's NPI number?

Dr. Natasha Phan's NPI number is 1669406005. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Natasha Phan?

Dr. Natasha Phan is an internist in Walnut Creek, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Natasha Phan practice?

Dr. Phan practices at 7788 Dublin Blvd, Dublin, CA 94568-2923. Dr. Phan also practices at 108 La Casa Via, Walnut Creek, CA 94598. Dr. Phan's primary practice is Premier Health Care in Dublin, California.

What is Dr. Natasha Phan's office phone number?

The practice phone on file for Dr. Phan is (925) 829-9888.

What is Dr. Natasha Phan's medical license number?

Dr. Phan holds California license A062915.

Is Dr. Natasha Phan board certified?

Yes. Dr. Phan is board certified in internal medicine by the American Board of Internal Medicine.

Where did Dr. Natasha Phan go to medical school?

Dr. Phan graduated from Howard University College Of Medicine in 1995.

What drugs does Dr. Natasha Phan prescribe most?

In 2021 Medicare Part D data, Dr. Phan's most prescribed drugs by claims were Atorvastatin Calcium.

Has Dr. Natasha Phan received payments from drug or device companies?

CMS Open Payments shows $203 in general payments to Dr. Phan from 4 companies from 2016 to 2023. The largest total came from Daiichi Sankyo Inc.

How long has Dr. Natasha Phan been practicing?

Dr. Phan graduated from medical school in 1995, 31 years ago.

What insurance does Dr. Natasha Phan accept?

Dr. Phan is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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