Physician Profile
Glenda G. Callender, MD
Unclaimed ProfileAbout Dr. Callender
Glenda G. Callender, MD is a healthcare provider in Waterbury, CT specializing in surgery of the hand. Glenda trained at Harvard Medical School, graduating in 2000. Medicare claims data shows Glenda provided 151 services to 151 patients. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, diagnostic exam of voice box using a flexible endoscope, and removal or exploration of parathyroid glands.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (203) 709-6871
- Email not available
Practice Locations
133 SCOVILL ST STE 303
Waterbury, CT 06706
330 Cedar St # St130
New Haven, CT 06510
Procedures Most Often Billed to Medicare
151 services · 151 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
53 | Too few peers to compare |
| Removal or exploration of parathyroid glands | Procedure | 60500 |
32 | More often than most peers in Surgery of the Hand |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
66 | More often than most peers in Surgery of the Hand |
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.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Harvard Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2000 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of voice box using a flexible endoscope 8
Providers in CT who bill this service to Medicare most often.
Common questions
What does Dr. Callender specialize in?
Dr. Callender is a surgery of the hand in Waterbury, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Callender located?
Dr. Callender is listed at 133 Scovill St Ste 303, Waterbury, CT 06706. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Callender's phone number?
The number on file is (203) 709-6871. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Callender?
Dr. Callender's National Provider Identifier is 1952599441. 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 Dr. Callender go to medical school?
Dr. Callender attended Harvard Medical School, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Callender have?
Dr. Callender has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Callender do most often?
According to Medicare billing data, Dr. Callender performs procedures including diagnostic exam of voice box using a flexible endoscope and removal or exploration of parathyroid glands, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Callender's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Callender. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.