Dr. Archana Unnikrishnan Nair, MD

  • San Leandro, CA
  • Internist
NPI1386834893
Medicare services, 2023
22
Part D claims, 2024
1,181
Industry payments
$159
Affiliated sites
1
Medical group
1
Practice address
2500 Merced St, San Leandro, CA 94577
Practice phone
Call (510) 307-1555
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Richmond Medical Center

San Leandro, California

See all 3 affiliations

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Dr. Archana Unnikrishnan Nair is an internist in San Leandro, California

Dr. Nair practices at Richmond Medical Center in San Leandro, California.

Dr. Nair's NPI, 1386834893, was assigned on July 31, 2007. Dr. Nair graduated from J.J.M. Medical College in 2000. Dr. Nair holds California license A116595.

NPI and contact details
NPI enumeration date
July 31, 2007
NPI status
Active
Practice phone
(510) 307-1555
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
51
Medical school graduation
2000

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

Dr. Archana Unnikrishnan Nair practices at Richmond Medical Center in San Leandro, California

Dr. Nair's primary practice is Richmond Medical Center, at 2500 Merced St, San Leandro, CA 94577 in Alameda County. The practice phone is (510) 307-1555.

  • Richmond Medical Center
    2500 Merced St, San Leandro, CA 94577 · Alameda CountyPhone(510) 307-1555

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

Dr. Archana Unnikrishnan Nair is affiliated with 2 sites of care and 1 medical group

Dr. Nair's primary practice is Richmond Medical Center in San Leandro, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Nair to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Nair

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

Dmand AI tracks the EHR system at Dr. Archana Unnikrishnan Nair's practice

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

EHR by site
SiteEHR vendor and product
Richmond Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Archana Unnikrishnan Nair is one of 16,751 internists in California

Internal medicine is Dr. Nair's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nair is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Nair's licenses on file in 4 states: California, Ohio, New York and Texas.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A116595 · 2011 to 2026 · taxonomy 207R00000X
  • Ohio licenseSince 2013
  • New York license2007 to 2012
  • Texas license2010 to 2011

Clinical focus

Dmand AI lists bronchitis, chronic diabetes, chronic hypertension, diabetic emergency, dry eye, ear infection, hand joint or tendon inflammation and heart failure among the conditions Dr. Nair treats.

Internists near Dr. Nair

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. Archana Unnikrishnan Nair billed Medicare for 22 services in 2023

CMS data shows 22 Medicare services from Dr. Nair across 2 procedure codes in 2023. Medicare paid $1,789 for them. Every service was in an office.

Medicare services, 202322
Paid by Medicare$1,789
Procedure codes2

Dr. Nair's Medicare services by type, 2021 to 2023

  • 2021
  • 2023
Imaging
2021: 02023: 22
Other services
2021: 802023: 0100%
Surgery
2021: 412023: 0100%
Office and hospital visits
2021: 912023: 0100%

Dr. Nair compared with the California median for internists, 2023

  • Dr. Nair
  • California median
Medicare services
22vs 36194% below
Part D claims
734vs 42174% above

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Nair's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Archana Unnikrishnan Nair's patients have a median age of 68

Across all payers, Dmand AI patient panel data puts Dr. Nair's median patient age at 68, with 65% women.

Dr. Nair's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women65%
  • Men35%

Source: Dmand AI Patient Panel Data

Dr. Archana Unnikrishnan Nair wrote 1,181 Medicare Part D claims in 2024

In 2024, Dr. Nair wrote 1,181 Medicare Part D claims for 454 patients. 90% of them were for generic drugs. CMS names the drug for 734 of them, across 30 drugs with 11 or more claims each, at $19,703 in total drug cost. In 2023, CMS named 866 claims across 30 drugs.

Part D claims, 20241,181
Drugs named by CMS30
Total drug cost$19,703
Part D patients454

Dr. Nair's Part D claims by kind of drug, 2024

  • Generic1,062 claims90%
  • Brand-name107 claims9%
  • Other12 claims1%

Dr. Nair'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.

Drug classes CMS tracks in Dr. Nair's Part D claims, 2024

  • Opioids2%27 of 1,181 claims
  • Antibiotics3%30 of 1,181 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8662024: 73415%

Drugs named by CMS: 30 in 2024, 30 in 2023.

See all prescribing by Dr. Nair

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

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Dr. Archana Unnikrishnan Nair received $159 in industry payments from 2017 to 2018

CMS Open Payments shows 2 general payments to Dr. Nair from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $137.

General payments to Dr. Nair by program year, 2017 to 2018

Companies that paid Dr. Nair the most, 2017 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Nair

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

Dr. Archana Unnikrishnan Nair graduated from J.J.M. Medical College

Dr. Nair graduated from J.J.M. Medical College in 2000.

  1. Medical schoolJ.J.M. Medical College
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Archana Unnikrishnan Nair accepts plans from 1 insurance carrier

Dr. Nair is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare

Source: Dmand AI Insurance Network Data

Sources for Dr. Archana Unnikrishnan Nair'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)Medicare Part D Prescribers - by Provider (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. Archana Unnikrishnan Nair

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. Archana Unnikrishnan Nair's NPI number?

Dr. Archana Unnikrishnan Nair's NPI number is 1386834893. It was assigned on July 31, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Archana Unnikrishnan Nair?

Dr. Archana Unnikrishnan Nair is an internist in San Leandro, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Archana Unnikrishnan Nair practice?

Dr. Nair practices at 2500 Merced St, San Leandro, CA 94577. Dr. Nair's primary practice is Richmond Medical Center in San Leandro, California. Dmand AI also links Dr. Nair to 1 group practice or clinic.

What is Dr. Archana Unnikrishnan Nair's office phone number?

The practice phone on file for Dr. Nair is (510) 307-1555.

What is Dr. Archana Unnikrishnan Nair's medical license number?

Dr. Nair holds California license A116595, one of the licenses on file in 4 states.

Which states has Dr. Archana Unnikrishnan Nair been licensed in?

Dmand AI has state licenses on file for Dr. Nair in California (2011 to 2026), Ohio (since 2013), New York (2007 to 2012) and Texas (2010 to 2011).

What medical group is Dr. Archana Unnikrishnan Nair part of?

Dr. Nair is linked to The Permanente Medical Group, Inc.

Does Dr. Archana Unnikrishnan Nair accept Medicare?

Yes. CMS data shows Dr. Nair billed Medicare for 22 services in 2023.

Is Dr. Archana Unnikrishnan Nair board certified?

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

What services does Dr. Archana Unnikrishnan Nair bill to Medicare?

In 2023, Dr. Nair's most billed Medicare services were radiation oncology (77063) and radiation oncology (77067).

Show 5 more questionsShow fewer questions

Where did Dr. Archana Unnikrishnan Nair go to medical school?

Dr. Nair graduated from J.J.M. Medical College in 2000.

What drugs does Dr. Archana Unnikrishnan Nair prescribe most?

In 2024 Medicare Part D data, Dr. Nair's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.

Has Dr. Archana Unnikrishnan Nair received payments from drug or device companies?

CMS Open Payments shows $159 in general payments to Dr. Nair from 2 companies from 2017 to 2018. The largest total came from Allergan Inc.

How long has Dr. Archana Unnikrishnan Nair been practicing?

Dr. Nair graduated from medical school in 2000, 26 years ago.

What insurance does Dr. Archana Unnikrishnan Nair accept?

Dr. Nair is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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