NADEEM A CHISHTI (M.D.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1700815461
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,125 CRITICAL CARE (INTENSIVISTS) in CA
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Provider Addresses for NADEEM A CHISHTI (M.D.)
PO BOX 511225
LOS ANGELES, CA 900517810
Phone: (562) 789-5470
Fax: (562) 789-4480
Type: Mailing
Putnam Street, Whittier, Los Angeles County, California, 90602, United States
SUITE 208
WHITTIER, CA 90602
Phone: (562) 789-5470
Fax: (562) 789-4480
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $609.
Total Amount is formed as General ($609) + Research ($0) + Ownership ($0) = $609.
Last reported payment date: 2023-07-26 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($471).
Total Amount
$609
General + Research + Ownership
Payments
6
Total payment records
General Amount
$609
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-07-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $471 |
| GlaxoSmithKline, LLC. | $119 |
| Itamar Medical Inc | $20 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-02-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040220000756 | I | Critical Care (Intensivists) | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 435 | 164 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 168 | 94 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 50 | 44 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 42 | 16 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 26 | 25 | $0 |
Insurance plans in this area (ZIP 90051)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CRITICAL CARE (INTENSIVISTS) | CA | 94727 | Determination of lung volumes using gas dilution or washout | 86 | 85 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | CA | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | CA | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | CA | |
| Internal Medicine, Critical Care (Intensivists), Pulmonary Disease | CA | |
| Internal Medicine | CA | |
| Internal Medicine, Critical Care (Intensivists), Pulmonary Disease | CA | |
| Pulmonary Disease, Critical Care (Intensivists) | CA | |
| Internal Medicine, Critical Care (Intensivists), General Surgery, Pulmonary Disease | CA | |
| Pulmonary Disease, Critical Care (Intensivists), Hospice/Palliative Care, Internal Medicine, Sleep Medicine | CA | |
| Pulmonary Disease | CA |
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