Maryjo Kramer, MD
NPI 1689135105 · Anesthesiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryjo Kramer, MD is a Anesthesiology Physician provider in Boston, MA (NPI 1689135105).
Provider details
- NPI number
- 1689135105
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1014795 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
41 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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 18 | $45 |
| Anesthesia for Procedure on Heart and Large Blood Vessels00560 | 12 | $577 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 11 | $86 |
Typical Medicare-allowed amounts for these services range $45–$577 (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.
Practice location
Mailing address
Additional practice locations (2)
- 375 Boylston StBrookline, MA 02445-6007Phone: (617) 525-9542
- 1153 Centre StJamaica Plain, MA 02130-3446Phone: (617) 983-7000
Registry dates
- Enumerated
- 2019-03-27
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is Maryjo Kramer's NPI number?
- Maryjo Kramer's National Provider Identifier (NPI) is 1689135105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryjo Kramer's specialty?
- Maryjo Kramer is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Maryjo Kramer located?
- Maryjo Kramer's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Maryjo Kramer's phone number?
- The practice phone number listed in the NPPES registry for Maryjo Kramer is (617) 732-5500.
- Does Maryjo Kramer accept Medicare?
- Maryjo Kramer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryjo Kramer's NPI active?
- Yes — Maryjo Kramer's NPI (1689135105) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.