Katherine Lyman, N.P.
NPI 1851309108 · Gerontology Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Lyman, N.P. is a Gerontology Nurse Practitioner provider in Boston, MA (NPI 1851309108).
Provider details
- NPI number
- 1851309108
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 151955 (MA)
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
19 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
1,604 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 | 499 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 273 | $98 |
| 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 | 206 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 148 | $86 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 135 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 104 | 25 |
| Atorvastatin Calcium | 66 | 22 |
| Donepezil Hcl | 47 | 11 |
| Losartan Potassium | 42 | 12 |
| Lisinopril | 41 | 12 |
| Sertraline Hcl | 41 | 11 |
| Metoprolol Succinate | 37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2009-01-28
Frequently asked questions
- What is Katherine Lyman's NPI number?
- Katherine Lyman's National Provider Identifier (NPI) is 1851309108, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Lyman's specialty?
- Katherine Lyman is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Lyman located?
- Katherine Lyman's practice location on file with NPPES is 110 Francis St, Boston, MA 02215-5501.
- What is Katherine Lyman's phone number?
- The practice phone number listed in the NPPES registry for Katherine Lyman is (617) 632-8696.
- Does Katherine Lyman accept Medicare?
- Katherine Lyman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Lyman's NPI active?
- Yes — Katherine Lyman's NPI (1851309108) is active in the NPPES registry as of the last update on 2009-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.