DR. ANAND CHIDAMBARAM NARAYANAN (MD) – Internal Medicine Physician, NPI 1215467923
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
13,297 INTERNAL MEDICINE in TX
Provider Addresses for DR. ANAND CHIDAMBARAM NARAYANAN (MD)
4407 Yoakum Blvd Ste B
Houston, TX 770065861
Phone: (713) 528-8111
Fax: (281) 768-8374
Type: Location
850 W RIO SALADO PKWY STE 201
TEMPE, AZ 852813812
Phone: (602) 610-6100
Fax: (480) 393-0265
Type: Mailing
Harvester Drive, Burr Ridge, DuPage County, Illinois, 65027, United States
BURR RIDGE, IL 605276686
Phone: (773) 702-1150
Type: Mailing
Au Bon Pain, 5841, South Maryland Avenue, Hyde Park, Chicago, Hyde Park Township, Cook County, Illinois, 60637, United States
CHICAGO, IL 606371443
Phone: (773) 702-1000
Type: Location
4407 YOAKUM BLVD STE B
HOUSTON, TX 770065861
Phone: (713) 528-8111
Fax: (281) 768-8374
Type: Mailing
2215 ROLLINGBROOK DR STE 140
BAYTOWN, TX 775213693
Phone: (281) 428-2487
Fax: (281) 428-2784
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $329.
Total Amount is formed as General ($329) + Research ($0) + Ownership ($0) = $329.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($138).
Total Amount
$329
General + Research + Ownership
Payments
14
Total payment records
General Amount
$329
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2022-08-17
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 |
|---|---|---|---|---|
| I20220817003518 | I | Internal Medicine | TX | 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 |
|---|---|---|---|---|
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 295 | 185 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 236 | 122 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 192 | 101 | $0 |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | 109 | 73 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 76 | 75 | $0 |
Insurance plans in this area (ZIP 77006)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | TX | |
| Nephrology, Internal Medicine | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Nephrology, Internal Medicine | TX | |
| Nephrology, Internal Medicine | TX | |
| Nephrology, Internal Medicine | TX | |
| Nephrology, Internal Medicine | TX | |
| Internal Medicine, Nephrology | TX | |
| N E P H R O L O G Y | TX |
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