Physician Profile
Unclaimed ProfileAbout BLUM
David Steven Blum, O.D. practises optometry in Baltimore, MD. David is also listed as specialising in optometrist.
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
Common questions
What does Dr. Blum specialise in?
Dr. Blum is an optometry in Baltimore, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPTOMETRY”.
NPI registry
Where is Dr. Blum located?
Dr. Blum is listed at 4425 FITCH AVENUE SUITE 120, Baltimore, MD 21236. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Blum's phone number?
The number on file is (410) 682-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Blum's NPI number?
Dr. Blum's National Provider Identifier is 1679520928. 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. Blum go to medical school?
Dr. Blum attended Other, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Blum been practising?
Dr. Blum has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Blum do most often?
According to Medicare billing data, Dr. Blum performs procedures including removal of cataract with insertion of prosthetic lens; provides treatments such as established patient complete exam of visual system and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Blum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Blum. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (410) 682-3000
- Email not available
Practice Locations
4425 FITCH AVENUE SUITE 120
Baltimore, MD 21236
Procedures Most Often Billed to Medicare
801 services · 761 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
35 |
| Established patient complete exam of visual system | Treatment | 92014 |
331 |
| Imaging of retina | Treatment | 92134 |
66 |
| Imaging of optic nerve | Treatment | 92133 |
50 |
| New patient complete exam of visual system | Treatment | 92004 |
46 |
| Exam of visual field with extended testing | Treatment | 92083 |
34 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
11 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
109 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
93 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
26 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other optometry specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other optometry specialists in Baltimore 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in MD who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.