Physician Profile
Ashanpreet S. Grewal, MD
Unclaimed ProfileAbout Dr. Grewal
Based in Baltimore, MD, Ashanpreet S. Grewal, MD is listed in the NPI registry under anesthesiology. According to Medicare claims data, Ashanpreet cared for 187 Medicare patients across 188 services. The services billed most often include insertion of artery tube for blood sampling or infusion through skin, ultrasound of heart with color-depicted blood flow, rate and valve function, and ultrasound of heart blood flow, valves and chambers. NPI 1942340716 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
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
- (410) 328-6120
- Email not available
Practice Locations
22 S GREENE ST ANESTHESIOLOGY, S11C00
Baltimore, MD 21201
Conditions Commonly Evaluated or Treated
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Anesthesia complications
Back & spine
- Arthritis of the spine
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Lower back pain
- Neck pain
- Sacroiliac joint pain
- Spinal compression fracture
- Spinal stenosis
- Spondylolisthesis
- Tailbone pain
- Upper Back Pain
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
- Abdominal wall nerve pain
- Complex Regional Pain Syndrome
- Foot Numbness and Tingling
- Groin nerve pain after hernia surgery
- Nerve damage after surgery
- Neuropathy
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Procedures & services
Ablation
Head & facial procedures
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
- Abdominal Nerve Block
- Celiac Plexus Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
- General anesthesia
- Labor epidural
- Moderate dental sedation
- Pre-surgery anesthesia consult
- Sedation for dental work
- Spinal spinal block
Spine injections
- Epidural steroid injection
- Facet joint injection
- Medial branch block
- Sacroiliac joint injection
- Tailbone epidural injection
Spine procedures
Procedures Most Often Billed to Medicare
188 services · 187 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
34 | More often than most peers in Anesthesiology |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
23 | More often than most peers in Anesthesiology |
| Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older) | Anaesthesia | 00562 |
20 | More often than most peers in Anesthesiology |
| Anesthesia for procedure on heart and large blood vessels | Anaesthesia | 00560 |
19 | As often as other peers in Anesthesiology |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
26 | More often than most peers in Anesthesiology |
| Ultrasound of heart blood flow, valves and chambers | Treatment | 93320 |
26 | More often than most peers in Anesthesiology |
| Ultrasound of heart with probe in esophagus, with report | Treatment | 93312 |
26 | More often than most peers in Anesthesiology |
| Ultrasound of heart, follow-up | Treatment | 93308 |
14 | Too few peers to compare |
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 3
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.
Other anesthesiologists in Baltimore 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of artery tube for blood sampling or infusion through skin 7
Providers in MD who bill this service to Medicare most often.
Common questions
What does Dr. Grewal specialize in?
Dr. Grewal is an anesthesiologist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where is Dr. Grewal located?
Dr. Grewal is listed at 22 S Greene St Anesthesiology, S11C00, Baltimore, MD 21201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Grewal's phone number?
The number on file is (410) 328-6120. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Grewal's NPI number?
Dr. Grewal's National Provider Identifier is 1942340716. 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. Grewal go to medical school?
Dr. Grewal attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grewal been practicing?
Dr. Grewal has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Grewal do most often?
According to Medicare billing data, Dr. Grewal performs procedures including insertion of artery tube for blood sampling or infusion through skin and insertion of non-tunneled central venous tube for infusion; provides treatments such as ultrasound of heart with color-depicted blood flow, rate and valve function and ultrasound of heart blood flow, valves and chambers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grewal confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grewal. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.