Monica Mahajan, MD
NPI 1295708410 · Geriatric Medicine (Internal Medicine) Physician · Elk Grove Village, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Monica Mahajan, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Elk Grove Village, IL (NPI 1295708410).
Provider details
- NPI number
- 1295708410
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 235335 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
559 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 139 | $132 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 113 | $110 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 77 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $94 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 53 | $137 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 142 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 651 | 111 |
| Levothyroxine Sodium | 615 | 95 |
| Furosemide | 532 | 64 |
| Apixabanbrand: Eliquis | 477 | 44 |
| Omeprazole | 385 | 53 |
| Donepezil Hcl | 343 | 33 |
| Gabapentin | 341 |
Practice location
Mailing address
Additional practice locations (1)
- 3 Gates CirBuffalo, NY 14209-1120Phone: (716) 887-4690
Registry dates
- Enumerated
- 2006-02-08
- Last updated
- 2021-03-23
- Certified
- 2021-03-23
Frequently asked questions
- What is Monica Mahajan's NPI number?
- Monica Mahajan's National Provider Identifier (NPI) is 1295708410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monica Mahajan's specialty?
- Monica Mahajan is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Monica Mahajan located?
- Monica Mahajan's practice location on file with NPPES is 800 Biesterfield Rd Ste 605, Elk Grove Village, IL 60007-3362.
- What is Monica Mahajan's phone number?
- The practice phone number listed in the NPPES registry for Monica Mahajan is (847) 364-6724.
- Does Monica Mahajan accept Medicare?
- Monica Mahajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Monica Mahajan's NPI active?
- Yes — Monica Mahajan's NPI (1295708410) is active in the NPPES registry as of the last update on 2021-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.