Hariharan Athreya, MD
NPI 1851898522 · Family Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hariharan Athreya, MD is a Family Medicine Physician provider in New York, NY (NPI 1851898522).
Provider details
- NPI number
- 1851898522
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 88846 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
39 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 21 | $71 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 18 | $56 |
Typical Medicare-allowed amounts for these services range $56–$71 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 81 | 34 |
| Atorvastatin Calcium | 66 | 30 |
| Rosuvastatin Calcium | 64 | 29 |
| Lisinopril | 42 | 17 |
| Empagliflozinbrand: Jardiance | 26 | 15 |
| Losartan Potassium | 25 | 13 |
Practice location
Mailing address
Additional practice locations (2)
- 69 Grove StNew Canaan, CT 06840-5325Phone: (833) 929-3520
- 500 W Main St Ste 16Wyckoff, NJ 07481-1406Phone: (844) 359-8363
Registry dates
- Enumerated
- 2018-04-10
- Last updated
- 2024-08-29
- Certified
- 2024-08-29
Frequently asked questions
- What is Hariharan Athreya's NPI number?
- Hariharan Athreya's National Provider Identifier (NPI) is 1851898522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hariharan Athreya's specialty?
- Hariharan Athreya is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hariharan Athreya located?
- Hariharan Athreya's practice location on file with NPPES is 148 E 38th St, New York, NY 10016-2607.
- What is Hariharan Athreya's phone number?
- The practice phone number listed in the NPPES registry for Hariharan Athreya is (833) 955-3592.
- Does Hariharan Athreya accept Medicare?
- Hariharan Athreya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hariharan Athreya's NPI active?
- Yes — Hariharan Athreya's NPI (1851898522) is active in the NPPES registry as of the last update on 2024-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.