Marissa Altimar, CNM
Marissa Altimar, CNM is a provider specialising in Advanced Practice Midwife in Glens Falls, NY, registered under NPI 1003322025.
Getting there
Here is what surrounds this office in Glens Falls, based on OpenStreetMap data collected Sep 18, 2026. Parking is available about 204 ft away. There is EV charging 0.40 mi from the office — useful if you are driving in from out of town. A pharmacy sits 0.49 mi from the entrance (Hannaford Pharmacy), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 0.49 mi away.
Getting here and what is nearby
Parking 55 ft ~1 min
45 Hudson Avenue, Glens Falls 12801
Parking 150 ft ~1 min
90 Broad Street, Glens Falls 12801
Parking 204 ft ~1 min
88 Broad Street, Glens Falls 12801
Pharmacy Price Chopper House Calls Pharmacy 477 ft ~2 min
100 Broad Street, Glens Falls 12801
Mo-Fr 09:00-21:00; Sa-Su 09:00-17:00
Convenience Stewart's Shops 674 ft ~3 min
118 Broad Street, Glens Falls 12801
Restaurant Talk of the Town 773 ft ~3 min
74 Hudson Avenue, Glens Falls 12801
Gas station Citgo 0.29 mi ~6 min
Mo-Su 06:00-22:00
Restaurant Bastard Restobar 0.33 mi ~7 min
Restaurant Taco Kings Jalisco 0.34 mi ~7 min
EV charging 0.40 mi ~8 min
EV charging 0.40 mi ~8 min
Coffee Kitch A Vibe 0.43 mi ~9 min
16 Exchange Street, Glens Falls 12801
We-Fr 07:00-16:00; Sa-Su 09:00-15:00
Convenience Stewart's Shops 0.43 mi ~9 min
360 Glen Street, Glens Falls 12801
Gas station Stewart's 0.44 mi ~9 min
360 Glen Street, Glens Falls 12801
Grocery Hannaford 0.47 mi ~10 min
175 Broad Street, Glens Falls 12801
Mo-Su 07:00-23:00
Coffee Spot Coffee 0.48 mi ~10 min
221 Glen Street, Glens Falls 12801
Mo-Th 06:00-22:00; Fr 06:00-12:00; Sa 07:00-12:00; Su 07:00-22:00
Coffee kru coffee 0.49 mi ~10 min
140 Glen Street, Glens Falls 12801
Mo-Su 07:00-14:00
Pharmacy Hannaford Pharmacy 0.49 mi ~10 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
NPPES does not list a state licence number for this record. That is not unusual — organizations and some provider types are not required to file one. Verify current licensure with the relevant state board before care.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Advanced Practice Midwife covers
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. NUCC Health Care Provider Taxonomy, code 367A00000X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003322025 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Dec 28, 2017 |
| Last updated | Apr 22, 2019 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Credential | CNM |
| Practice address |
45 HUDSON AVE Glens Falls, NY 12801 (518) 793-4477 Fax (518) 793-5643 |
| Other names |
Marissa Gruskoff Former Legal Business Name |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 3 | 2 | 2 | 0 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 6 | 2 | 4 | 0 | 4 |
Sum = 45 · next multiple of 10 = 50 · check digit = 5 · actual last digit = 5
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.