Margaret Ames, CNP
NPI 1386163178 · Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Ames, CNP is a Nurse Practitioner provider in Boston, MA (NPI 1386163178).
Provider details
- NPI number
- 1386163178
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 269948 (MA)
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
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
126 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 88 | $129 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $83 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 16 | $113 |
Typical Medicare-allowed amounts for these services range $83–$129 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 164 | 72 |
| Amlodipine Besylate | 88 | 36 |
| Lisinopril | 72 | 33 |
| Tamsulosin Hcl | 58 | 24 |
| Hydrochlorothiazide | 55 | 23 |
| Omeprazole | 54 | 25 |
| Metoprolol Succinate | 52 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-09-13
- Last updated
- 2019-05-15
Frequently asked questions
- What is Margaret Ames's NPI number?
- Margaret Ames's National Provider Identifier (NPI) is 1386163178, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Ames's specialty?
- Margaret Ames is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Ames located?
- Margaret Ames's practice location on file with NPPES is 801 Massachusetts Ave, Boston, MA 02118-2605.
- What is Margaret Ames's phone number?
- The practice phone number listed in the NPPES registry for Margaret Ames is (617) 414-5951.
- Does Margaret Ames accept Medicare?
- Margaret Ames is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Ames's NPI active?
- Yes — Margaret Ames's NPI (1386163178) is active in the NPPES registry as of the last update on 2019-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.