NPPES file of Aug 9, 2026

Sandeep Singh Dang, M.D.

Nephrology Physician · Fountain Valley, CA

Sandeep Singh Dang, M.D. is a nephrology physician with a practice address in Fountain Valley, California, and NPI 1730146937, issued on May 1, 2006. Check the license (California A79958, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730146937
Name
Sandeep Singh Dang
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A79958 CA
Self-reported in NPPES; status is on the state search
Practice location
11100 Warner Ave Ste 218, Fountain Valley, CA 92708
Phone
(714) 641-9696
Enumerated
May 1, 2006
Record last updated
Feb 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(714) 641-1211
Medicare enrollment
Enrolled (PECOS I20061017000406); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →

Also registered at 11100 Warner Ave Ste 218

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alan Cantillep, MDNephrology Physician1639517808
  2. Thanh Cao, D.O.Nephrology Physician1073963583
  3. Michael Floied, P.A.C.Physician Assistant1730477514
  4. Sithu Lin, M.D.Nephrology Physician1023417649
  5. Bich Thu NguyenNurse Practitioner1841912771
  6. John Ong, DONephrology Physician1477056406

Verify Sandeep Singh Dang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A79958    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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2.3 times the Medicare Part D claims of the average nephrology physician in 2024

3,361 Medicare Part D claims for 500 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Sandeep Dang3,361
  2. Specialty average1,465

Most prescribed

  1. Furosemide254 claims
  2. Amlodipine Besylate227 claims
  3. Hydralazine Hcl206 claims
  4. Losartan Potassium192 claims
  5. Farxiga146 claims
  6. Metoprolol Succinate143 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $18.67

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sandeep Dang$18.67
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Balboa Nephrology Medical Group IncFountain Valley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sandeep Singh Dang among 1,468 nephrology physician records in California

Sandeep Singh Dang, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 48% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2001 · median 2001 among the 1,128 with a school on file
  • Record last updated2021 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

All 1,468 in California → Every provider in Fountain Valley → Nephrology Physician nationwide →

The 8 nephrology physician records with the nearest ZIP codes

  1. Zavier Ahmed, M.D.Fountain Valley, CA 927081255677134
  2. Son Dinh, M.D.Fountain Valley, CA 927081174564256
  3. Lalitha Durairaj, MDFountain Valley, CA 927081306894548
  4. Afsaneh Haftbaradaran Mohammadi, M.D.Fountain Valley, CA 927081902040009
  5. Joginder Jodhka, MDFountain Valley, CA 927081558379503
  6. Gaytri Manek, MDFountain Valley, CA 927081124298237
  7. Tarun Marwaha, M.D.Fountain Valley, CA 927081407964976
  8. Essam Mostafa, M.D.Fountain Valley, CA 927081316932270

Common questions

What is Sandeep Singh Dang, M.D.'s NPI number?

Sandeep Singh Dang, M.D.'s National Provider Identifier (NPI) is 1730146937, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sandeep Singh Dang, M.D. located?

The NPPES record lists a practice address at 11100 Warner Ave Ste 218, Fountain Valley, CA, 92708. Phone: (714) 641-9696. Providers update this record themselves, so call before visiting.

How can I verify Sandeep Singh Dang, M.D.'s license?

NPPES lists California license number A79958, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sandeep Singh Dang, M.D. prescribe under Medicare Part D?

In 2024, Sandeep Singh Dang, M.D. had 3,361 Medicare Part D claims for 500 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.