Theresa Abdul-Massih, FNP
NPI 1619495942 · Family Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Abdul-Massih, FNP is a Family Nurse Practitioner provider in New York, NY (NPI 1619495942).
Provider details
- NPI number
- 1619495942
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- F342138-1 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
2,763 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,270 | $102 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 1,141 | $71 |
| Chronic Care Management Services for Two Or More Chronic Conditions, First 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month99491 | 181 | $81 |
| Advance Care Planning, First 30 Minutes99497 | 67 | $78 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 66 | $124 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 24 | 22 |
| Furosemide | 23 | 18 |
| Metoprolol Succinate | 23 | 11 |
| Apixabanbrand: Eliquis | 22 | 21 |
| Gabapentin | 20 | 17 |
| Atorvastatin Calcium | 19 | 18 |
| Potassium Chloride | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-09-07
- Last updated
- 2017-09-22
Frequently asked questions
- What is Theresa Abdul-Massih's NPI number?
- Theresa Abdul-Massih's National Provider Identifier (NPI) is 1619495942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Abdul-Massih's specialty?
- Theresa Abdul-Massih is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Theresa Abdul-Massih located?
- Theresa Abdul-Massih's practice location on file with NPPES is 241 W 57th St, New York, NY 10019-2121.
- What is Theresa Abdul-Massih's phone number?
- The practice phone number listed in the NPPES registry for Theresa Abdul-Massih is (866) 389-2727.
- Does Theresa Abdul-Massih accept Medicare?
- Theresa Abdul-Massih is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Abdul-Massih's NPI active?
- Yes — Theresa Abdul-Massih's NPI (1619495942) is active in the NPPES registry as of the last update on 2017-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.