Provider Profile
Ellen D. Timmer, FNP
Unclaimed ProfileAbout Ellen Timmer
Ellen D. Timmer, FNP is a nurse practitioner based in Cortlandt Manor, NY. Ellen is a 2022 graduate of George Washington University School of Medicine. Ellen is also listed as specializing in nurse practitioner — family. Medicare claims data shows Ellen provided 465 services to 202 patients. The services billed most often include insertion of needle into vein for collection of blood sample, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1730811993.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (914) 737-9000
- Email not available
Practice Locations
1980 CROMPOND RD
Cortlandt Manor, NY 10567
19 Bradhurst Ave Ste 2200
Hawthorne, NY 10532
Procedures Most Often Billed to Medicare
465 services · 202 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
142 | More often than most peers in Nurse Practitioner |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
133 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
73 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
52 | More often than most peers in Nurse Practitioner |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
46 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
19 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other nurse practitioners in Cortlandt Manor 7
Same specialty, same city.
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at George Washington University School of Medicine 6
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Ellen D. Timmer's specialty?
Ellen D. Timmer is a nurse practitioner in Cortlandt Manor, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Ellen D. Timmer?
Ellen D. Timmer is listed at 1980 Crompond Rd, Cortlandt Manor, NY 10567. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Ellen D. Timmer?
The number on file is (914) 737-9000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ellen D. Timmer?
Ellen D. Timmer's National Provider Identifier is 1730811993. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Ellen D. Timmer's education?
Ellen D. Timmer attended George Washington University School of Medicine, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ellen D. Timmer have?
Ellen D. Timmer has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What is Ellen D. Timmer known for?
According to Medicare billing data, Ellen D. Timmer performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ellen D. Timmer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ellen D. Timmer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.