NPPES file of Aug 9, 2026

Natalie Achamallah, M.D.

Critical Care Medicine (Internal Medicine) Physician · West Hollywood, CA

Natalie Achamallah, M.D. is a critical care medicine (internal medicine) physician with a practice address in West Hollywood, California, and NPI 1255881546, issued on Oct 11, 2016. Check the license (California A158572, 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
1255881546
Name
Natalie Achamallah
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
A158572 CA
Self-reported in NPPES; status is on the state search
Practice location
8700 Beverly Blvd RM 6729, West Hollywood, CA 90048
Phone
(310) 423-1838
Enumerated
Oct 11, 2016
Record last updated
Mar 28, 2022
Medicare enrollment
Enrolled (PECOS I20221014001792); may accept 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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Also registered at 8700 Beverly Blvd RM 6729

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

  1. Chanidapa Klinhom, MDStudent in an Organized Health Care Education/Training Program1104575885

Verify Natalie Achamallah in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A158572
    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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45% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

383 Medicare Part D claims for 99 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Natalie Achamallah383
  2. Specialty average696

Most prescribed

  1. Montelukast Sodium66 claims
  2. Trelegy Ellipta58 claims
  3. Albuterol Sulfate Hfa35 claims
  4. Symbicort24 claims
  5. Anoro Ellipta20 claims
  6. Fluticasone Propionate19 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: $3,993.88

14 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Natalie Achamallah$3,993.88
  2. Specialty average$2,958.68

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. Sansum ClinicSanta Barbara, CA

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

Critical Care Medicine (Internal Medicine) Physician providers in California

There are 723 critical care medicine (internal medicine) physician records in California.

Other critical care medicine (internal medicine) physician records in California

  1. Mariam Abdelkader, MDFresno, CA1689022824
  2. Hazem Abdelsalam, M.D.Torrance, CA1346793312
  3. Unknown Abdul Hameed Zaid, M.B,B.SLoma Linda, CA1679908800
  4. Glen Abergel, M.D.Oxnard, CA1093743924
  5. Ayham Aboeed, M.D.Bakersfield, CA1093969750
  6. Henry Abrons, M.D.Berkeley, CA1821001470
  7. Noman Absar, MDVallejo, CA1205908951
  8. Cresencio AdamePalo Alto, CA1750021564
  9. Allen Adams, M.D.Los Angeles, CA1700862794
  10. Jacob Adams, DONovato, CA1558595090

Common questions

What is Natalie Achamallah, M.D.'s NPI number?

Natalie Achamallah, M.D.'s National Provider Identifier (NPI) is 1255881546, issued on Oct 11, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Natalie Achamallah, M.D. located?

The NPPES record lists a practice address at 8700 Beverly Blvd RM 6729, West Hollywood, CA, 90048. Phone: (310) 423-1838. Providers update this record themselves, so call before visiting.

How can I verify Natalie Achamallah, M.D.'s license?

NPPES lists California license number A158572, 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 Natalie Achamallah, M.D. prescribe under Medicare Part D?

In 2024, Natalie Achamallah, M.D. had 383 Medicare Part D claims for 99 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.

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.