Dr. Padmanabha S. Shakkottai, MD

  • Lakewood, CA
  • Pulmonologist
NPI1164472346PAC ID3678584893
Medicare services, 2024
3,265
Medicare patients, 2024
482
Part D claims, 2024
2,761
MIPS score, 2024
75
Hospital affiliations
2
Practice address
3650 E South St, Lakewood, CA 90712
Practice phone
Call (562) 633-2204
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Arthur F Gelb Medical Corp

Lakewood, California

See all 7 affiliations

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Dr. Padmanabha S. Shakkottai is a pulmonologist in Lakewood, California

Dr. Shakkottai practices at Arthur F Gelb Medical Corp in Lakewood, California.

Dr. Shakkottai's NPI, 1164472346, was assigned on May 11, 2006. Dr. Shakkottai graduated from Keck School of Medicine of USC in 1999. Dr. Shakkottai holds California license A74331.

NPI and contact details
Medicare PAC ID
3678584893
NPI enumeration date
May 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(562) 633-2204
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Padmanabha S. Shakkottai practices at Arthur F Gelb Medical Corp in Lakewood, California

Dr. Shakkottai's primary practice is Arthur F Gelb Medical Corp, at 3650 E South St, Lakewood, CA 90712 in Los Angeles County. The practice phone is (562) 633-2204.

  • Arthur F Gelb Medical Corp
    3650 E South St, Lakewood, CA 90712 · Los Angeles CountyPhone(562) 633-2204

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

Dr. Padmanabha S. Shakkottai is affiliated with 5 sites of care and 2 medical groups

Dr. Shakkottai's primary practice is Arthur F Gelb Medical Corp in Lakewood, California. Dr. Shakkottai is also affiliated with UCI Health - Lakewood. The medical group on file is Arthur F Gelb Medical Group. Dmand AI also links Dr. Shakkottai to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Shakkottai

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

Dmand AI tracks the EHR system at Dr. Padmanabha S. Shakkottai's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shakkottai practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Arthur F Gelb Medical CorpAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Padmanabha S. Shakkottai is one of 1,339 pulmonologists in California

Pulmonary disease is Dr. Shakkottai's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Shakkottai is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Shakkottai's licenses on file in 2 states: California and Ohio.

Specialties and state licenses

  • Pulmonary disease, CaliforniaPrimaryLicense A74331 · 2001 to 2026 · taxonomy 207RP1001X
  • Critical care medicine (internal medicine), OhioLicense 35.087634 · 2006 to 2010 · taxonomy 207RC0200X

Clinical focus

Dmand AI lists asthma, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, pleural effusion, pulmonary fibrosis and sleep apnea among the conditions Dr. Shakkottai treats.

Pulmonologists near Dr. Shakkottai

Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.

1,339pulmonologists in California
2pulmonologists in Lakewood

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

Dr. Padmanabha S. Shakkottai billed Medicare for 3,265 services in 2024

CMS data shows 3,265 Medicare services from Dr. Shakkottai across 12 procedure codes in 2024, for 482 Medicare patients. Medicare paid $383,797 for them.

Medicare services, 20243,265
Medicare patients482
Paid by Medicare$383,797
Procedure codes12

Dr. Shakkottai's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2,5902024: 3,11820%
Tests and treatments
2023: 2232024: 13440%
Surgery
2023: 432024: 1370%
Imaging
2023: 122024: 0100%

Where Dr. Shakkottai's Medicare services took place, 2024

  • In an office36311%
  • In a facility2,90289%

Dr. Shakkottai compared with the California median for pulmonologists, 2024

  • Dr. Shakkottai
  • California median
Medicare services
3,265vs 6495.0 times
Medicare patients
482vs 27277% above
Part D claims
2,505vs 4216.0 times

Medians across 1,263 pulmonologists in California with Dmand AI profiles that report each measure.

Dr. Shakkottai's most billed Medicare procedure codes, 2024

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

See all procedures by Dr. Shakkottai

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

Dr. Padmanabha S. Shakkottai treated 482 Medicare patients in 2024, average age 73

CMS counts 482 Medicare patients who saw Dr. Shakkottai in 2024. The largest group is 65 to 74, with 195 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 79% are also on Medicaid. Their average risk score is 4.02, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Shakkottai's median patient age at 71, with 51% women.

Medicare patients, 2024482
Average age73
Average risk score4.02
Also on Medicaid79%

Dr. Shakkottai's Medicare patients by age, 2024

Dr. Shakkottai's Medicare patients by sex, 2024

  • Women23849%
  • Men24451%

Chronic conditions among Dr. Shakkottai's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes70%
  4. Chronic kidney disease62%
  5. Heart failure57%
  6. Arthritis55%
  7. COPD52%
  8. Ischemic heart disease50%

Share of Medicare patients with each condition. A patient can have several.

Dr. Shakkottai's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women51%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Padmanabha S. Shakkottai wrote 2,761 Medicare Part D claims in 2024

In 2024, Dr. Shakkottai wrote 2,761 Medicare Part D claims for 336 patients. CMS names the drug for 2,505 of them, across 35 drugs with 11 or more claims each, at $1,138,009 in total drug cost. In 2023, CMS named 2,084 claims across 28 drugs.

Part D claims, 20242,761
Drugs named by CMS35
Total drug cost$1.1M
Part D patients336

Dr. Shakkottai'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. Shakkottai's Part D claims, 2024

  • Antibiotics11%315 of 2,761 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: 2,0842024: 2,50520%

Drugs named by CMS: 35 in 2024, 28 in 2023.

See all prescribing by Dr. Shakkottai

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

Dr. Padmanabha S. Shakkottai scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Shakkottai for performance year 2024, reported as part of a group. Dr. Shakkottai accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Padmanabha S. Shakkottai received $9,157 in industry payments from 2016 to 2025

CMS Open Payments shows 440 general payments to Dr. Shakkottai from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. GlaxoSmithKline, LLC. paid the most, $2,254.

General payments to Dr. Shakkottai by program year, 2016 to 2025

General payments to Dr. Shakkottai by kind, 2016 to 2025

$9.2Kin total
  • Food and beverage$9,04899%
  • Education$1091%

Companies that paid Dr. Shakkottai the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Shakkottai

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

Dr. Padmanabha S. Shakkottai graduated from Keck School of Medicine of USC

Dr. Shakkottai graduated from Keck School of Medicine of USC in 1999.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in critical care medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in pulmonary diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Padmanabha S. Shakkottai accepts plans from 17 insurance carriers

Dr. Shakkottai is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +9 more carriersWith a free account

Plan types Dr. Shakkottai accepts, by number of carriers

  1. Medicare9
  2. PPO9
  3. HMO8
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Padmanabha S. Shakkottai'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Padmanabha S. Shakkottai

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. Padmanabha S. Shakkottai's NPI number?

Dr. Padmanabha S. Shakkottai's NPI number is 1164472346. It was assigned on May 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Padmanabha S. Shakkottai?

Dr. Padmanabha S. Shakkottai is a pulmonologist in Lakewood, California. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Padmanabha S. Shakkottai practice?

Dr. Shakkottai practices at 3650 E South St, Lakewood, CA 90712. Dr. Shakkottai's primary practice is Arthur F Gelb Medical Corp in Lakewood, California. Dmand AI also links Dr. Shakkottai to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. Padmanabha S. Shakkottai's office phone number?

The practice phone on file for Dr. Shakkottai is (562) 633-2204.

What is Dr. Padmanabha S. Shakkottai's medical license number?

Dr. Shakkottai holds California license A74331, one of the licenses on file in 2 states.

Which states has Dr. Padmanabha S. Shakkottai been licensed in?

Dmand AI has state licenses on file for Dr. Shakkottai in California (2001 to 2026) and Ohio (2006 to 2010).

Which hospitals is Dr. Padmanabha S. Shakkottai affiliated with?

Dr. Shakkottai is affiliated with UCI Health - Lakewood. Dmand AI links Dr. Shakkottai to 1 more hospital.

What medical group is Dr. Padmanabha S. Shakkottai part of?

Dr. Shakkottai is linked to Arthur F Gelb Medical Group. Dmand AI links Dr. Shakkottai to 1 more medical group.

Does Dr. Padmanabha S. Shakkottai accept Medicare?

Yes. CMS data shows Dr. Shakkottai billed Medicare for 3,265 services in 2024, and Dr. Shakkottai accepts Medicare assignment.

What is Dr. Padmanabha S. Shakkottai's MIPS score?

Dr. Shakkottai's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Padmanabha S. Shakkottai see?

CMS counts 482 Medicare patients who saw Dr. Shakkottai in 2024, with an average age of 73.

Is Dr. Padmanabha S. Shakkottai board certified?

Yes. Dr. Shakkottai is board certified in critical care medicine by the American Board of Internal Medicine.

What services does Dr. Padmanabha S. Shakkottai bill to Medicare?

In 2024, Dr. Shakkottai's most billed Medicare services were hospital inpatient care (99233), critical care (99291) and office visit, established patient (99214).

Where did Dr. Padmanabha S. Shakkottai go to medical school?

Dr. Shakkottai graduated from Keck School of Medicine of USC in 1999.

What drugs does Dr. Padmanabha S. Shakkottai prescribe most?

In 2024 Medicare Part D data, Dr. Shakkottai's most prescribed drugs by claims were Albuterol Sulfate Hfa, Trelegy Ellipta and Prednisone.

Has Dr. Padmanabha S. Shakkottai received payments from drug or device companies?

CMS Open Payments shows $9,157 in general payments to Dr. Shakkottai from 36 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Padmanabha S. Shakkottai been practicing?

Dr. Shakkottai graduated from medical school in 1999, 27 years ago.

What insurance does Dr. Padmanabha S. Shakkottai accept?

Dr. Shakkottai is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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