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Edit this profileAt a glance
- 1403 N Fair Oaks Ave Ste 2, Pasadena, CA 91103
About Dr. Nasir
Muhammad R. Nasir, M.D. is a healthcare provider in Pasadena, CA specializing in internal medicine. Muhammad is also listed as specializing in pain medicine. According to Medicare claims data, Muhammad cared for 1,159 Medicare patients across 6,779 services. The services billed most often include injection, dexamethasone sodium phosphate, 1 mg, injection of drug or substance under skin or into muscle, and injection, vitamin b-12 cyanocobalamin, up to 1000 mcg. This provider record is associated with NPI 1427002526.
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
- (626) 798-8976
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1403 N FAIR OAKS AVE STE 2
Pasadena, CA 91103
Conditions Commonly Evaluated or Treated
Within Internal Medicine 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
Cancer Prevention
Cancer risk
Environmental health
- Asbestos Exposure
- Contaminated drinking water exposure
- Heat exhaustion and heat stroke
- Radon gas exposure
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Wildfire smoke and air pollution exposure
- Workplace Chemical Exposure
General wellness
Heart health
Infectious Disease
Infectious disease
Kidney health
Lifestyle & wellness
Lifestyle health
Longevity
Metabolic & Lifestyle
Occupational health
Occupational Health
Rashes & allergy
Sexual Health
Sexual health
Substance use
Travel health
Wellness and energy
Workplace health
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Addiction & habits
Cancer screening
Cancer Screening
Checkups & exams
Chronic illness
Diagnostics & screening
Environmental health
Fitness & body composition
Heart & Circulation
Heart & circulation
Heart health
Hospital-based procedures
Imaging referral
Immunizations
Infection & Microbiology Tests
Lifestyle & Prevention
Longevity
Lower endoscopy
Lungs & Breathing
Metabolic & Weight
Metabolic health
Occupational health
Occupational Health
Office Procedures
Preventive and evaluation
Preventive imaging
Preventive screening
Routine Blood Tests
Screening & labs
Screening and diagnostic testing
- Blood pressure screening
- Cancer screening and prevention planning
- Diabetes and prediabetes screening
- EKG
- Spirometry
Screenings & Diagnostics
Travel Health
Travel medicine
Wellness
Wellness & Screening
Workplace health
Skin growths
Sleep
Most searched procedures
Bones & Joints
Brain and nerves
Digestive
Exams & Consultations
Lab tests
Minor procedures
Office procedures
Pain management
Preventive & Routine Care
Sexual health
Procedures Most Often Billed to Medicare
6,779 services · 1,159 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve) | Procedure | 64445 |
801 | Too few peers to compare |
| Injection of anesthetic agent and/or steroid into upper neck and back of head nerve | Procedure | 64405 |
436 | Too few peers to compare |
| Other procedure on nervous system | Procedure | 64999 |
357 | Too few peers to compare |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
17 | Less often than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
967 | More than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
31 | As often as other peers in Internal Medicine |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
18 | Less often than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
12 | Less often than most peers in Internal Medicine |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
1,684 | More than most peers in Internal Medicine |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
896 | More than most peers in Internal Medicine |
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 internists in Pasadena 8
Same specialty, same city.
More connections — 18 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve) 2
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Muhammad R. Nasir?
Muhammad R. Nasir is an internist in Pasadena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Muhammad R. Nasir's address?
Muhammad R. Nasir is listed at 1403 N Fair Oaks Ave Ste 2, Pasadena, CA 91103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Muhammad R. Nasir?
The number on file is (626) 798-8976. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Muhammad R. Nasir's NPI number?
Muhammad R. Nasir's National Provider Identifier is 1427002526. 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 Muhammad R. Nasir train?
Muhammad R. Nasir attended Other, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Muhammad R. Nasir been practicing?
Muhammad R. Nasir has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What procedures does Muhammad R. Nasir perform?
According to Medicare billing data, Muhammad R. Nasir performs procedures including injection of anesthetic agent and/or steroid into lower back and leg nerve, injection of anesthetic agent and/or steroid into upper neck and back of head nerve and other procedure on nervous system; provides treatments such as injection of drug or substance under skin or into muscle and 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 Muhammad R. Nasir confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Muhammad R. Nasir. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.