Physician Profile
Unclaimed ProfileAbout HARDCASTLE
Based in Middletown, NY, John M. Hardcastle, M.D. is listed in the NPI registry under orthopedic surgery. John graduated from University of Maryland School of Medicine in 2009. John is also listed as specializing in orthopaedic surgery. According to Medicare claims data, John cared for 2,314 Medicare patients across 13,731 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (845) 703-6999
- Email not available
Practice Locations
95 CRYSTAL RUN RD
Middletown, NY 10941
Procedures Most Often Billed to Medicare
13,731 services · 2,314 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
926 |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
126 |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
97 |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
81 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
24 |
| Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg | Drug given | J7325 |
7,673 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
3,316 |
| Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose | Drug given | J7324 |
153 |
| Hyaluronan or derivative, monovisc, for intra-articular injection, per dose | Drug given | J7327 |
21 |
| Hyaluronan or derivative, gel-one, for intra-articular injection, per dose | Drug given | J7326 |
16 |
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 orthopedic surgeons at this location 3
Same specialty, same street address — most likely the same department or group.
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.
More connections — 27 related providers in 4 groups
Other orthopedic surgeons in Middletown 5
Same specialty, same city.
Trained at University of Maryland School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at University of Maryland School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 7
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Hardcastle specialize in?
Dr. Hardcastle is an orthopedic surgeon in Middletown, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Where is Dr. Hardcastle located?
Dr. Hardcastle is listed at 95 CRYSTAL RUN RD, Middletown, NY 10941. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hardcastle's phone number?
The number on file is (845) 703-6999. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hardcastle's NPI number?
Dr. Hardcastle's National Provider Identifier is 1922338276. 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. Hardcastle go to medical school?
Dr. Hardcastle attended University of Maryland School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hardcastle been practicing?
Dr. Hardcastle has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hardcastle do most often?
According to Medicare billing data, Dr. Hardcastle performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hardcastle confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hardcastle. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.