Physician Profile
Unclaimed ProfileAbout FRIEDMAN
Based in Baltimore, MD, Gary S Friedman, MD is listed in the NPI registry under internal medicine. According to Medicare claims data, Gary cared for 361 Medicare patients across 570 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (410) 500-5600
- Email not available
Practice Locations
315 N CALVERT ST
Baltimore, MD 21202
Procedures Most Often Billed to Medicare
570 services · 361 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
34 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
23 |
| Influenza vaccine, trivalent derived from cell cultures | Treatment | 90661 |
13 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
12 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
299 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
129 |
| Administration of influenza virus vaccine | Billing code | G0008 |
48 |
| Administration of pneumococcal vaccine | Billing code | G0009 |
12 |
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 internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 16 related providers in 2 groups
Other internists in Baltimore 8
Same specialty, same city.
Also performs Influenza vaccine, inactivated 8
Providers in MD who bill this service to Medicare most often.
Common questions
What is Dr. Friedman's specialty?
Dr. Friedman is an internist in Baltimore, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.
NPI registry
Where can I find Dr. Friedman?
Dr. Friedman is listed at 315 N CALVERT ST, Baltimore, MD 21202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Friedman?
The number on file is (410) 500-5600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Friedman's NPI number?
Dr. Friedman's National Provider Identifier is 1023016680. 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
How long has Dr. Friedman been practicing?
Dr. Friedman has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Friedman known for?
According to Medicare billing data, Dr. Friedman provides treatments such as influenza vaccine, inactivated 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 Dr. Friedman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Friedman. 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.