Mary Haynos, CRNP
NPI 1154370377 · Adult Health Nurse Practitioner · Germantown, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Haynos, CRNP is a Adult Health Nurse Practitioner provider in Germantown, MD (NPI 1154370377).
Provider details
- NPI number
- 1154370377
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R113971 (MD)
Specialties & taxonomies
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
20 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
316 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) |
|---|---|---|
| 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'SG2211 | 117 | $15 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 73 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $94 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $88 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 20 | $14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 45 | 15 |
| Atorvastatin Calcium | 41 | 18 |
| Levothyroxine Sodium | 27 | 14 |
| Empagliflozinbrand: Jardiance | 18 | — |
| Lisinopril | 18 | — |
| Metformin Hcl | 17 | — |
| Azithromycin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-06
- Last updated
- 2018-02-05
Frequently asked questions
- What is Mary Haynos's NPI number?
- Mary Haynos's National Provider Identifier (NPI) is 1154370377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Haynos's specialty?
- Mary Haynos is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Haynos located?
- Mary Haynos's practice location on file with NPPES is 19701 Executive Park Cir, Germantown, MD 20874-2639.
- What is Mary Haynos's phone number?
- The practice phone number listed in the NPPES registry for Mary Haynos is (301) 946-6623.
- Does Mary Haynos accept Medicare?
- Mary Haynos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Haynos's NPI active?
- Yes — Mary Haynos's NPI (1154370377) is active in the NPPES registry as of the last update on 2018-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.