Natalie Howlett
NPI 1154776094 · Internal Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Howlett is a Internal Medicine Physician provider in Palo Alto, CA (NPI 1154776094).
Provider details
- NPI number
- 1154776094
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- A155075 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
224 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 167 | $111 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $75 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 24 | $62 |
Typical Medicare-allowed amounts for these services range $62–$111 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 81 | 28 |
| Methotrexate Sodiumbrand: Methotrexate | 70 | 27 |
| Allopurinol | 55 | 18 |
| Adalimumabbrand: Humira Pen | 53 | — |
| Hydroxychloroquine Sulfate | 45 | 20 |
| Colchicine | 40 | 16 |
| Febuxostat | 37 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-28
- Last updated
- 2025-08-18
- Certified
- 2025-08-18
Frequently asked questions
- What is Natalie Howlett's NPI number?
- Natalie Howlett's National Provider Identifier (NPI) is 1154776094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Howlett's specialty?
- Natalie Howlett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Natalie Howlett located?
- Natalie Howlett's practice location on file with NPPES is 900 Blake Wilbur Dr, Palo Alto, CA 94304-2201.
- What is Natalie Howlett's phone number?
- The practice phone number listed in the NPPES registry for Natalie Howlett is (650) 723-6961.
- Does Natalie Howlett accept Medicare?
- Natalie Howlett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Howlett's NPI active?
- Yes — Natalie Howlett's NPI (1154776094) is active in the NPPES registry as of the last update on 2025-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.