Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pulmonary Disease

Padmanabha P. Shakkottai, MD

Works at hospitals in Long Beach, CA · Lakewood, CA · Orange, CA · California

Summary

Dr. Padmanabha P. Shakkottai, MD is a pulmonologist at 3650 S St, Lakewood, CA 90712. Phone: (562) 633-2204. Accepts Medicare assignment. In 2024, Padmanabha P. Shakkottai had 482 Original Medicare patients and 3,297 services. NPI 1164472346. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Padmanabha P. Shakkottai, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Padmanabha P. Shakkottai accept Medicare assignment?
Yes. Medicare's clinician data says Padmanabha P. Shakkottai accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Padmanabha P. Shakkottai see?
In 2024, CMS data shows 482 Original Medicare patients and 3,297 services for Padmanabha P. Shakkottai. This counts Original Medicare only and measures volume, not quality.
What is Padmanabha P. Shakkottai's NPI number?
1164472346. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Padmanabha P. Shakkottai, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients482
Services billed to Medicare3,297
Different services or procedures24
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,766 services
  2. Critical care, first 30-74 minutes (99291)913 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)202 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)89 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)64 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes70%
  • Chronic kidney disease62%
  • Heart failure57%
  • Arthritis55%

Hospitals where Padmanabha P. Shakkottai works

Medicare's Facility Affiliation Data lists Padmanabha P. Shakkottai at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050485
  • UCI Health-LakewoodLakewood, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050581
  • UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Padmanabha P. Shakkottai is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Padmanabha P. Shakkottai as a member of this group (CMS data updated October 2, 2026).

  • Arthur F Gelb Medical Corp3 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in California →

Other pulmonologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All pulmonologists in California →

Other clinicians in Arthur F Gelb Medical Corp

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164472346
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians