Provider Profile
Sylvia Massmanian, FNP-BC
Unclaimed ProfileAbout Sylvia Massmanian
Listed in the NPI registry as a nurse practitioner, Sylvia Massmanian, FNP-BC practices in Lexington, MA. Sylvia is also listed as specializing in nurse practitioner — family. Medicare claims data shows Sylvia provided 506 services to 475 patients. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. NPI 1942618483 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (781) 330-6876
- Email not available
Practice Locations
14 GREEN LN
Lexington, MA 02421
Procedures Most Often Billed to Medicare
506 services · 475 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
17 | Less often than most peers in Nurse Practitioner |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
208 | More than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
88 | More often than most peers in Nurse Practitioner |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
71 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
58 | As often as other peers in Nurse Practitioner |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
38 | As often as other peers in Nurse Practitioner |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
26 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners in Lexington 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Sylvia Massmanian specialize in?
Sylvia Massmanian is a nurse practitioner in Lexington, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Sylvia Massmanian located?
Sylvia Massmanian is listed at 14 Green Ln, Lexington, MA 02421. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Sylvia Massmanian's phone number?
The number on file is (781) 330-6876. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Sylvia Massmanian?
Sylvia Massmanian's National Provider Identifier is 1942618483. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Sylvia Massmanian train?
Sylvia Massmanian attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Sylvia Massmanian have?
Sylvia Massmanian has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Sylvia Massmanian do most often?
According to Medicare billing data, Sylvia Massmanian performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Sylvia Massmanian's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Sylvia Massmanian. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.