Doctor profile · Federal record

Dr. Phillip Zhang, MD

Rheumatology Physician (CMS: Internal Medicine) · New Haven, CT

  • NPI 1619363231
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
20 York St
New Haven, CT 06510
(203) 688-4242
Additional location
111 E 210Th St
Bronx, NY 104672401
(718) 920-4321
Additional location
31-00 Broadway
Fair Lawn, NJ 074103963
(201) 796-2255
Mailing address
1 Diamond Hill RD
Berkeley Heights, NJ 079222104

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
June 12, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
New Jersey #25MA10862700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619363231. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
475
Distinct HCPCS
10
Medicare allowed
$22,904
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 86 66 $139
36415 Insertion of needle into vein for collection of blood sample 64 49 $8
85652 Red blood cell sedimentation rate, to detect inflammation, automated 60 48 $2
86140 Measurement c-reactive protein for detection of infection or inflammation 60 48 $5
80053 Blood test, comprehensive group of blood chemicals 45 34 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 42 31 $7
86235 Measurement of antibody for assessment of autoimmune disorder, any method 37 11 $17
99204 New patient office or other outpatient visit, 45-59 minutes 34 34 $186
99213 Established patient office or other outpatient visit, 20-29 minutes 21 19 $99
86200 Measurement of antibody for rheumatoid arthritis assessment 14 14 $12

In context: peer comparison

Among 9 peers in New Haven Rheumatology Physician, average services per provider: 67. This provider delivers 7.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
820
Patients
453
Total drug cost
$503,119
Drug Type Claims Patients Total cost
Prednisone Generic 172 108 $2,308
Methotrexate (Methotrexate Sodium) Brand 169 121 $4,499
Hydroxychloroquine Sulfate Generic 99 56 $8,429
Meloxicam Generic 61 44 $393
Alendronate Sodium Generic 36 14 $449
Colchicine Generic 36 18 $1,952
Gamunex-C (Immune Globul G/Gly/Iga Avg 46) Brand 36 0 $194,370
Allopurinol Generic 31 17 $435
Amjevita(Cf) Autoinjector (Adalimumab-Atto) Brand 30 16 $61,412
Leflunomide Generic 27 19 $2,492

Frequently asked questions

Auto-generated from federal data
What is Dr. Phillip Zhang's medical specialty?
Dr. Phillip Zhang practices Rheumatology Physician in New Haven, CT.
Where does Dr. Phillip Zhang practice?
Dr. Phillip Zhang practices at 20 York St, New Haven, CT 06510. Office phone: 2036884242.
What is Dr. Phillip Zhang's NPI?
Dr. Phillip Zhang's National Provider Identifier (NPI) is 1619363231, issued by NPPES.
Does Dr. Phillip Zhang accept Medicare assignment?
Yes. Dr. Phillip Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Phillip Zhang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Red blood cell sedimentation rate, to detect inflammation, automated (HCPCS 85652). Source: CMS Medicare Physician & Other Practitioners file.