Dr. Raman Nambisan, MD

  • Pleasanton, CA
  • General surgeon
NPI1154358992
Medicare services, 2020
24
Part D claims, 2019
31
Industry payments
$41
Affiliated sites
2
Medical groups
2
Practice address
5575 W Las Positas Blvd, Pleasanton, CA 94588-5801
Practice phone
Call (925) 460-3883
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rakhee N. Shah

Surgical practice · Pleasanton, California

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Dr. Raman Nambisan is a general surgeon in Pleasanton, California

Dr. Nambisan practices at Rakhee N. Shah in Pleasanton, California.

Dr. Nambisan's NPI, 1154358992, was assigned on June 27, 2006. Dr. Nambisan graduated from B.J. Medical College - University of Pune in 1973. Dr. Nambisan's California license number on file is A37212.

NPI and contact details
NPI enumeration date
June 27, 2006
NPI status
Active
Practice phone
(925) 460-3883
Professional email
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Personal email
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Mobile number
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Medical school graduation
1973

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Raman Nambisan practices at Rakhee N. Shah in Pleasanton, California

Dr. Nambisan's primary practice is Rakhee N. Shah, at 5575 W Las Positas Blvd, Pleasanton, CA 94588-5801. The practice phone is (925) 460-3883.

  • Rakhee N. Shah
    5575 W Las Positas Blvd, Pleasanton, CA 94588-5801Phone(925) 460-3883

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Raman Nambisan is affiliated with 2 sites of care and 2 medical groups

Dr. Nambisan's primary practice is Rakhee N. Shah in Pleasanton, California. Dmand AI also links Dr. Nambisan to 2 medical groups and 1 group practice or clinic, each named with a free account.

Rakhee N. ShahSurgical practice · Pleasanton, CaliforniaPrimary
2 medical groupsNames with a free account1 group practice or clinicName with a free account
See all 4 affiliations for Dr. Nambisan

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Raman Nambisan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nambisan practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rakhee N. ShahAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Raman Nambisan is one of 2,926 general surgeons in California

Surgery is Dr. Nambisan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Nambisan has a license on file in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A37212 · 1981 to 2025 · taxonomy 208600000X

General surgeons near Dr. Nambisan

Counts of general surgeons 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. Raman Nambisan billed Medicare for 24 services in 2020

CMS data shows 24 Medicare services from Dr. Nambisan across 2 procedure codes in 2020, all of them office visits. Medicare paid $2,086 for them. Every service was in an office.

Medicare services, 202024
Paid by Medicare$2,086
Procedure codes2

Dr. Nambisan's Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Office and hospital visits
2019: 1102020: 2478%

Dr. Nambisan compared with the California median for general surgeons, 2020

  • Dr. Nambisan
  • California median
Medicare services
24vs 16686% below
Part D claims
31vs 349% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Nambisan's most billed Medicare procedure codes, 2020

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. Raman Nambisan wrote 31 Medicare Part D claims in 2019

In 2019, Dr. Nambisan wrote 31 Medicare Part D claims. They cover 2 drugs, with $207 in total drug cost. In 2018, CMS named 33 claims across 2 drugs.

Part D claims, 201931
Drugs named by CMS2
Total drug cost$207

Dr. Nambisan's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 332019: 316%

Drugs named by CMS: 2 in 2019, 2 in 2018.

See all prescribing by Dr. Nambisan

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

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Dr. Raman Nambisan received $41 in industry payments from 2016 to 2017

CMS Open Payments shows 3 general payments to Dr. Nambisan from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Covidien Sales LLC paid the most, $25.

General payments to Dr. Nambisan by program year, 2016 to 2017

Companies that paid Dr. Nambisan the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Nambisan

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

Dr. Raman Nambisan graduated from B.J. Medical College - University of Pune

Dr. Nambisan graduated from B.J. Medical College - University of Pune in 1973.

  1. Medical schoolB.J. Medical College - University of Pune

Source: Dmand AI Professional Profile Data

Dr. Raman Nambisan accepts plans from 1 insurance carrier

Dr. Nambisan is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Aetna

Plan types Dr. Nambisan accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Raman Nambisan'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 phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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
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. Raman Nambisan

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. Raman Nambisan's NPI number?

Dr. Raman Nambisan's NPI number is 1154358992. It was assigned on June 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Raman Nambisan?

Dr. Raman Nambisan is a general surgeon in Pleasanton, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Raman Nambisan practice?

Dr. Nambisan practices at 5575 W Las Positas Blvd, Pleasanton, CA 94588-5801. Dr. Nambisan's primary practice is Rakhee N. Shah in Pleasanton, California. Dmand AI also links Dr. Nambisan to 2 medical groups and 1 group practice or clinic.

What is Dr. Raman Nambisan's office phone number?

The practice phone on file for Dr. Nambisan is (925) 460-3883.

What is Dr. Raman Nambisan's medical license number?

Dr. Nambisan's California license number on file is A37212.

Does Dr. Raman Nambisan accept Medicare?

Yes. CMS data shows Dr. Nambisan billed Medicare for 24 services in 2020.

What services does Dr. Raman Nambisan bill to Medicare?

In 2020, Dr. Nambisan's most billed Medicare services were office visit, new patient (99204) and office visit, established patient (99213).

Where did Dr. Raman Nambisan go to medical school?

Dr. Nambisan graduated from B.J. Medical College - University of Pune in 1973.

What drugs does Dr. Raman Nambisan prescribe most?

In 2019 Medicare Part D data, Dr. Nambisan's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Tramadol HCl.

Has Dr. Raman Nambisan received payments from drug or device companies?

CMS Open Payments shows $41 in general payments to Dr. Nambisan from 2 companies from 2016 to 2017. The largest total came from Covidien Sales LLC.

How long has Dr. Raman Nambisan been practicing?

Dr. Nambisan graduated from medical school in 1973, 53 years ago.

What insurance does Dr. Raman Nambisan accept?

Dr. Nambisan is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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