Natalie Achamallah, M.D.
NPI 1255881546 · Critical Care Medicine (Internal Medicine) Physician · West Hollywood, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Achamallah, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in West Hollywood, CA (NPI 1255881546).
Provider details
- NPI number
- 1255881546
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,170 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 273 | $201 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $136 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 103 | $61 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 99 | $41 |
| Test to Determine Lung Volumes Using Sensors94726 | 95 | $61 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 77 | $76 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 66 | 16 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 58 | 14 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 35 | 21 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 24 | — |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 20 | — |
| Fluticasone Propionate | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,994 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-10-11
- Last updated
- 2022-03-28
- Certified
- 2022-03-28
Frequently asked questions
- What is Natalie Achamallah's NPI number?
- Natalie Achamallah's National Provider Identifier (NPI) is 1255881546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Achamallah's specialty?
- Natalie Achamallah is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Natalie Achamallah located?
- Natalie Achamallah's practice location on file with NPPES is 8700 Beverly Blvd Rm 6729, West Hollywood, CA 90048-1804.
- What is Natalie Achamallah's phone number?
- The practice phone number listed in the NPPES registry for Natalie Achamallah is (310) 423-1838.
- Does Natalie Achamallah accept Medicare?
- Natalie Achamallah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Achamallah's NPI active?
- Yes — Natalie Achamallah's NPI (1255881546) is active in the NPPES registry as of the last update on 2022-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.