Are you Dr. Reitsma? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Alyssa N. Reitsma, MD
- New York location main office
148 E 38Th St, New York, NY 10016 - New Canaan location
93 Cherry St Unit G1, New Canaan, CT 06840 - Wyckoff location
500 W Main St Ste 16, Wyckoff, NJ 07481
About Dr. Reitsma
Alyssa N. Reitsma, MD practices clinic / center in New York, NY. Alyssa is a 2021 graduate of Oakland Univ, William Beaumont School of Medicine. According to Medicare claims data, Alyssa cared for 128 Medicare patients across 142 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. The provider's National Provider Identifier (NPI) is 1205416898.
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
- (844) 359-8363
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
148 E 38TH ST
New York, NY 10016
93 Cherry St Unit G1
New Canaan, CT 06840
500 W Main St Ste 16
Wyckoff, NJ 07481
Procedures Most Often Billed to Medicare
142 services · 128 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
40 | Less often than most peers in Clinic or centre |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
40 | As often as other peers in Clinic or centre |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
23 | Too few peers to compare |
| Urinalysis, manual test | Lab test | 81002 |
22 | Too few peers to compare |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
17 | Too few peers to compare |
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.
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.
Other clinic / centers in New York 8
Same specialty, same city.
Class of 2021 at Oakland Univ, William Beaumont School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Reitsma?
Dr. Reitsma is a clinic / center in New York, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Reitsma's address?
Dr. Reitsma is listed at 148 E 38Th St, New York, NY 10016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Reitsma?
The number on file is (844) 359-8363. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Reitsma's NPI number?
Dr. Reitsma's National Provider Identifier is 1205416898. 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
Where did Dr. Reitsma train?
Dr. Reitsma attended Oakland Univ, William Beaumont School of Medicine, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Reitsma been practicing?
Dr. Reitsma has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Reitsma perform?
According to Medicare billing data, Dr. Reitsma the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Reitsma confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Reitsma. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.