Tara Timmerman, M.D.
NPI 1720058456 · Nephrology Physician · New York, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tara Timmerman, M.D. is a Nephrology Physician provider in New York, NY (NPI 1720058456).
Provider details
- NPI number
- 1720058456
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 214284 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
297 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 79 | $200 |
| Hemodialysis Procedure Requiring Repeated Evaluation90937 | 38 | $110 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 36 | $20 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 34 | $129 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 33 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 76 | 21 |
| Amlodipine Besylate | 62 | 21 |
| Losartan Potassium | 36 | 11 |
| Metoprolol Succinate | 30 | — |
| Alprazolam | 26 | — |
| Lisinopril | 23 | — |
| Zolpidem Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (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
- 2006-01-25
- Last updated
- 2014-10-15
Frequently asked questions
- What is Tara Timmerman's NPI number?
- Tara Timmerman's National Provider Identifier (NPI) is 1720058456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tara Timmerman's specialty?
- Tara Timmerman is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Tara Timmerman located?
- Tara Timmerman's practice location on file with NPPES is 184 E 70th St, New York, NY 10021-5154.
- What is Tara Timmerman's phone number?
- The practice phone number listed in the NPPES registry for Tara Timmerman is (212) 737-4174.
- Does Tara Timmerman accept Medicare?
- Tara Timmerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tara Timmerman's NPI active?
- Yes — Tara Timmerman's NPI (1720058456) is active in the NPPES registry as of the last update on 2014-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.